Diane Lou Oswald is an American former secretary and devoted mother who built a quiet life around family, responsibility, faith, and strong values.
She became widely known as the mother of acclaimed Hollywood actor Woody Harrelson and the former wife of convicted contract killer Charles Harrelson.
Diane raised three sons largely as a single mother, providing stability while their father’s criminal history brought difficult circumstances into the family’s life.
Best known as Woody Harrelson’s mother, Diane played an important role in his upbringing and taught him about honour, kindness, and treating people well.
This biography explores Diane Lou Oswald’s early years, family, marriage, children, career, motherhood, personal strength, and connection to Woody Harrelson’s remarkable journey.
Quick Facts
| Name | Diane Lou Oswald |
| Born | 1937 |
| Age | 89 years old (as of 2026) |
| Birthplace | Lebanon, Warren County, Ohio, United States |
| Nationality | American |
| Ethnicity | Caucasian |
| Religion | Christianity |
| Sexuality | Straight |
| Height | 5 ft 6 in (167 cm) |
| Weight | 121 lb (55 kg) |
| Father | Kenneth Oswald |
| Mother | Mary Lou Oswald |
| Former Husband | Charles Harrelson |
| Marriage | 1959–1964 |
| Children | Woody, Brett, and Jordan Harrelson |
| Profession | Former secretary |
| Known For | Being Woody Harrelson’s mother |
Who Is Diane Lou Oswald?
Diane Lou Oswald is the mother of Woody Harrelson, the award-winning American actor known for television and major Hollywood films.
She was born in Lebanon, Ohio, and grew up with family and community values that later became important parts of her parenting.
Her life changed significantly after marrying Charles Harrelson, who eventually became notorious for his involvement in serious crimes and contract killings.
After their separation, Diane became the primary parental figure for their three sons and supported the household through her work as a secretary.
Her story is therefore closely connected with motherhood, perseverance, family responsibility, and the values that influenced Woody during his formative years.
Diane Lou Oswald Early Years in Ohio
Diane Lou Oswald was born in 1937 in Lebanon, a community located in Warren County, Ohio, in the United States.
She was raised by her parents, Kenneth Oswald and Mary Lou Oswald, during a period when family and community ties shaped everyday life.
Lebanon remained important to Diane because it was not simply her birthplace but also the community to which her family later returned.
Information about her childhood activities and schooling is limited, so most attention surrounding her younger years has focused on her Ohio upbringing.
Those early years nevertheless formed the background to a life that would eventually become connected with Hollywood through her famous son.
Diane Lou Oswald’s Parents and Family Background
Diane Lou Oswald was born into the Oswald family, with Kenneth Oswald and Mary Lou Oswald identified as her father and mother.
Her parents raised her in Lebanon, Ohio, where she spent the early period of her life before eventually starting a family herself.
Details about any brothers or sisters are not part of the information commonly associated with Diane’s life and family history.
Her family background became especially significant years later when she returned to Lebanon with her sons following major changes in their household.
That move provided another chapter for the family and placed Woody in the same Ohio community where his mother had spent her younger years.
Diane Lou Oswald Marriage to Charles Harrelson
Diane Lou Oswald married Charles Harrelson in 1959, years before his name became nationally associated with murder cases and other serious criminal activity.
At the time, Charles worked as an encyclopaedia salesman and professional gambler in California, giving little indication of what would later follow.
The marriage produced three sons, but the relationship did not last, and Charles left the family home during the 1960s.
Diane and Charles separated in 1964 after approximately five years of marriage, leaving her responsible for raising three young children.
Their marriage ultimately became one of the most discussed parts of Diane’s story because of the criminal path her former husband later followed.
Who Was Charles Harrelson?
Charles Harrelson was Woody Harrelson’s father and a convicted contract killer whose criminal history became an extraordinary part of the family’s story.
His legal problems stretched back decades, including an armed robbery conviction in 1960 and later allegations involving several murder-for-hire cases.
He faced trial over the killing of Alan Harry Berg but was acquitted in 1970, before another murder case resulted in conviction.
Charles was convicted in 1973 for the murder-for-hire killing of grain dealer Sam Degelia Jr. and received a 15-year prison sentence.
He was released in 1978 for good behaviour, but another far more serious criminal case would soon permanently change the course of his life.
The Crime That Led to Charles Harrelson’s Life Sentence
Charles became connected to the 1979 assassination of U.S. District Judge John H. Wood Jr., one of his most notorious criminal cases.
The judge was killed on the orders of a drug trafficker, and Charles was eventually convicted for his role in the assassination.
He received two life sentences, effectively ensuring that much of the remainder of his life would be spent within the federal prison system.
During a six-hour police standoff in 1980, Charles also claimed responsibility for killing President John F. Kennedy before later withdrawing that statement.
Charles attempted an escape from Atlanta Federal Penitentiary in 1995 and eventually died in prison from a heart attack on March 15, 2007.
Raising Three Sons as a Single Mother
When Diane Lou Oswald’s marriage ended, she faced the demanding responsibility of caring for three boys without Charles taking a meaningful role in their daily upbringing.
She continued working as a secretary, using her employment to support her children while maintaining stability during a complicated period for the family.
Diane Lou Oswald did not allow her former husband’s criminal reputation to become the defining influence over the environment she created for her children.
Instead, she concentrated on parenting, work, faith, discipline, and providing the type of guidance that could help her sons build their own futures.
Her ability to maintain that family structure became one of the defining aspects of her life and later earned strong appreciation from Woody.
Diane Lou Oswald’s Three Children
Diane Lou Oswald and Charles became parents to three sons: Woodrow Tracy Harrelson, Brett Harrelson, and Jordan Harrelson during their relatively short marriage.
Woody became by far the most famous sibling, building an internationally recognised acting career across television, independent films, and major Hollywood productions.
Brett Harrelson, born in 1963, also entered the entertainment industry and established himself as an American actor like his older brother.
Jordan Harrelson has remained less famous than Woody but has been associated with projects including Between the Stars, Well, and Broken Promise.
Although their paths have differed considerably, all three brothers shared the unusual experience of being raised primarily by Diane following their parents’ separation.
Her Special Influence on Woody Harrelson
Woody has openly discussed the importance of his mother’s influence, particularly when speaking about the principles he learned while growing up.
He described Diane as a strong role model who taught him important values concerning honourable behaviour and the proper way to treat other people.
Those lessons became especially meaningful because his father’s absence and criminal activities created a completely different influence within the family’s broader history.
Rather than allowing that instability to determine her son’s character, Diane offered Woody a consistent parental presence throughout his childhood and teenage years.
Her influence therefore extends beyond simply being his mother; she helped create the moral foundation Woody has publicly associated with his upbringing.
Returning to Lebanon, Ohio
Diane Lou Oswald eventually brought her family back to Lebanon, Ohio, in 1973, returning to the community where her own story had begun.
The relocation offered her sons a different environment from the circumstances surrounding their father’s increasingly troubled and complicated life.
Woody spent important teenage years in Ohio and eventually completed his high school education there before pursuing the path that led toward acting.
He graduated from high school in 1979, several years after Diane had moved the family back to her hometown.
Lebanon consequently connects two generations of the family, serving both as Diane’s birthplace and an important location in Woody’s formative years.
How She Handled Her Former Husband’s Criminal Past
Charles Harrelson’s crimes could easily have dominated the family’s identity, particularly once his cases began receiving widespread national attention.
Diane Lou Oswald instead focused on raising her children and did not make hatred toward their father a central part of their family environment.
Her sons were allowed to develop their own understanding of Charles and determine what kind of relationship they wanted with him.
Woody later made efforts to establish a relationship with his father, including visiting him despite Charles having played little role in his upbringing.
This complicated father-son connection existed separately from the stable parental influence Diane had provided throughout much of Woody’s childhood.
Diane Lou Oswald’s Career as a Secretary
Diane worked as a secretary and relied on steady employment while raising her sons following the end of her marriage.
Her profession was far removed from the entertainment world that would eventually make Woody an internationally recognised public figure.
Working while caring for three children demonstrated the practical responsibilities Diane carried as the main parental presence within the household.
Her career has never received the same attention as Woody’s achievements or Charles Harrelson’s crimes, yet it supported the family’s everyday life.
That working background is an important part of understanding Diane as an independent person rather than simply through her famous family connections.
Faith and Values in Her Household
Christian faith played a meaningful role in Diane’s home, with her Presbyterian background contributing to the environment in which her children were raised.
Her approach emphasised personal responsibility and decent treatment of others rather than allowing difficult family circumstances to dictate her children’s behaviour.
Woody’s later comments about his mother demonstrate that these lessons remained memorable even after he became a highly successful Hollywood actor.
He has credited Diane with teaching him good values and serving as an example during important stages of his development.
Her parenting influence represents a striking contrast with the instability surrounding Charles and the serious legal problems that defined his later life.
Woody Harrelson’s Rise to Hollywood Fame
Woodrow Tracy Harrelson was born on July 23, 1961, and eventually transformed himself into one of America’s most recognisable actors.
His breakthrough came through his portrayal of Woody Boyd on the popular television sitcom Cheers, which introduced him to a huge audience.
He later built an impressive film career through projects including The People vs. Larry Flynt, The Messenger, and No Country for Old Men.
Other notable work includes Three Billboards Outside Ebbing, Missouri and the commercially successful The Hunger Games film franchise.
Behind that celebrated career was the childhood foundation Diane created while raising Woody and his brothers through unusually difficult family circumstances.
Woody Harrelson’s Wife and Children
Woody married Laura Louie in 2008 after the couple had known each other for many years and built a family together.
They first met in 1987 when Laura worked as Woody’s personal assistant, long before their relationship eventually developed into marriage.
Laura was born on February 28, 1965, and is an American woman of Asian ancestry who has also worked as an entrepreneur.
Woody and Laura have three daughters named Deni, Zoe, and Makani, born in 1993, 1996, and 2006 respectively.
Their family has lived in Maui, Hawaii, extending Diane’s family story into another generation through her son’s three daughters.
Woody Harrelson and Matthew McConaughey’s Possible Family Connection
Another unusual chapter surrounding the Harrelson family involves Woody’s longtime friend and fellow Hollywood actor Matthew McConaughey.
The two actors have publicly discussed the possibility that they could actually share a biological father and therefore potentially be half-brothers.
The speculation developed around the possibility of a past connection between Charles Harrelson and Matthew McConaughey’s mother many decades ago.
Woody and Matthew have treated the mystery openly, but a DNA test has not publicly established that they are biological brothers.
Their friendship and unusual family speculation have nevertheless added another fascinating element to the already complicated history surrounding the Harrelson family.
Diane Lou Oswald’s Life Away From Hollywood
Despite being the mother of a major Hollywood celebrity, Diane has never built her identity around seeking entertainment-industry attention for herself.
Her public appearances have occasionally placed her alongside Woody, including events connected with his successful career and Hollywood premieres.
Most of her story, however, revolves around family rather than fame, particularly the decades she spent supporting and guiding her three sons.
Her experiences connect two dramatically different worlds: Charles Harrelson’s notorious criminal history and Woody Harrelson’s celebrated entertainment career.
Between those two highly public stories stands Diane, whose own life was largely defined by ordinary work, motherhood, faith, and family responsibility.
Bottom Line
Diane Lou Oswald’s biography tells the story of a mother whose life became connected with both extraordinary success and deeply troubling family circumstances.
After separating from Charles Harrelson, she raised Woody, Brett, and Jordan while working as a secretary and providing stability at home.
Her former husband’s criminal history attracted national attention, but Diane followed a very different path centred on work, family, faith, and responsibility.
Woody Harrelson’s praise for his mother demonstrates how strongly her lessons about honour, values, and treating others well influenced his development.
Today, Diane is best recognised as Woody Harrelson’s mother, but her resilience and decades of dedication to her children form her own compelling story.
Interesting Facts
- Diane Lou Oswald was born in 1937 in Lebanon, Warren County, Ohio.
- She is the mother of three sons: Woody, Brett, and Jordan Harrelson.
- Diane married Charles Harrelson in 1959, and their marriage ended in 1964.
- She supported her children by working steadily as a secretary.
- Diane returned with her family to her hometown of Lebanon, Ohio, in 1973.
- Her son Woody later became internationally famous through Cheers and numerous successful Hollywood films.
- Diane’s former husband, Charles Harrelson, was eventually sentenced to two life terms for killing U.S. District Judge John H. Wood Jr.
- Despite Charles’s criminal history, Diane allowed her sons to develop their own views and relationships with their father.
- Woody has publicly credited his mother with teaching him important lessons about honour and treating people properly.
- Diane’s family story spans remarkably different worlds, from a notorious criminal case to the heights of Hollywood success.
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