Adda Quinn is the first wife of Larry Ellison, co-founder of Oracle Corporation and now one of the richest men in the technology industry. She married Ellison in 1967, during the late 1960s, when he was a struggling computer programmer, not yet the billionaire entrepreneur he later became. Their marriage lasted seven years and ended in divorce in 1974, long before Ellison reached Silicon Valley billionaire status among the biggest technology companies on earth. The couple spent three years in a one-room apartment before buying a small house in Oakland, facing real financial struggles the entire time.

After the split, Quinn built her own career at the Electric Power Research Institute, known as EPRI, in Palo Alto, where she managed 45 PhD researchers and an annual budget of $45 million. She has stayed a private individual ever since, keeping her public identity away from the spotlight, even in 2026.

Who Is Adda Quinn? (Quick Facts)

Quinn is an American businesswoman known mostly for one chapter of her life: being the first wife of a future tech billionaire before Oracle even existed. She has kept a quiet, private life away from the media that usually follows powerful tech leaders, and outside that marriage, very little about her personal life has ever been made public.

Adda Quinn’s Early Life and Background

Public records about Quinn’s early life are limited. Her exact birth date has never been confirmed, and details about her family, parents, and childhood remain private. What is known comes from context rather than documentation.

By the mid-1960s, Quinn was living in the San Francisco Bay Area, an educated urban demographic shaped by post-war educational and professional expansion. California in the 1960s was a hub of technological growth and university expansion, with Berkeley at the center of academic ambition and countercultural exchange. This intellectual environment connected young professionals across technical, scientific, and administrative fields, including energy research organizations and other institutions tied to industrial expansion.

Quinn’s later work in research and administration suggests a background in structured organizational roles, built through formal education and a strong work ethic during her formative years, though no public record confirms which university or program she attended. Her professional path points to a conventional American upbringing focused on business management rather than public visibility or an entertainment career.

How Adda Quinn Met Larry Ellison

Quinn met Larry Ellison at a Berkeley employment agency in California in 1967. Ellison, a college dropout in his early twenties working scattered computing jobs, had no clear direction in life at the time. According to biographer Mike Wilson, Ellison and Quinn were both around 23 years old when they met through her work at the agency.

Their courtship moved quickly. Quinn later described Ellison as a charismatic man with a magnetic personality, and the two began dating soon after their first meeting. Within months, they decided to marry, with none of Ellison’s Chicago family attending the small wedding ceremony.

Adda Quinn and Larry Ellison’s Marriage: Timeline and Early Struggles

Quinn and Ellison married in 1967 in Berkeley, California. At the time, Ellison had not yet founded Oracle, and financial success was nowhere in sight. He had moved from Chicago to Berkeley in 1966 and worked in a data backup shop before later taking programming jobs, including a stint at Amdahl Corporation.

For three years, the couple lived in a one-room apartment, unable to afford steady employment or a stable lifestyle on Ellison’s contract programming income. In 1970, they bought a small house in Oakland, a modest step up but still far from financial comfort. Ellison spent much of his free time biking, kayaking, and backpacking in Yosemite and the Sierra mountains, while Quinn managed household responsibilities like wallpapering their new home largely on her own.

The two had opposing personalities. Ellison was drawn to adventure and freedom; Quinn was focused, hardworking, and serious about stability. He later co-founded Software Development Laboratories in 1977, which became Oracle, but during the marriage itself he was still working for other companies, including IBM and Ampex, learning the database business that would eventually shape his career.

Why Adda Quinn and Larry Ellison Divorced

By the early 1970s, financial stress had become a constant strain on the marriage. Ellison’s contract jobs paid little, and his spending on hobbies like sailing and a $3,000 sailboat did not match their $1,600 monthly budget. The couple sought marriage counseling as tension over stability, priorities, and career focus grew.

During one counseling session, Quinn reportedly told Ellison to go make his millions for his own sake, since she was leaving the marriage regardless. That moment is often cited as a turning point in Ellison’s ambition. Quinn and Ellison divorced in 1974, ending a seven-year marriage without children, brought down by incompatibilities in priorities rather than any single dramatic event.

The Unverified “AddaQuinn74” Social Media Identity

An account on X named AddaQuinn74, with roughly 276 posts, describes itself as an American businessperson and the first wife of the Oracle founder. The bio also claims ties to Tesla Inc as a top shareholder, along with involvement as an investor connected to SpaceX’s Falcon 9 launches, the Dragon spacecraft, and the Crew-7 mission through a linked account, @space_sat.

None of these claims have been independently confirmed, and no verified biography of Adda Quinn mentions a connection to Tesla or SpaceX. Readers should treat this account as unverified until proven otherwise.

Adda Quinn’s Career at EPRI

After her divorce in 1974, Quinn built a serious career at the Electric Power Research Institute in Palo Alto, working as Business Manager in the Environmental Division. Over roughly a decade, she managed 45 PhD researchers and an annual budget near $45 million, overseeing the Land and Water Quality Program.

Her work focused on environmental risk assessment tied to manufactured gas plant sites, treated wood poles, and polychlorinated biphenyls, known as PCBs, which required coordination across multiple institutions and international travel to contaminated sites. This was hands-on environmental protection work, not just administration. She was later promoted to Vice President, taking on a broader project management position covering climate studies, ecology, and land and water quality analysis across EPRI’s research programs.

Life After Divorce: The Untold Years (1974-1990)

Between her 1974 divorce and her second marriage in 1990, Quinn spent 16 years focused almost entirely on building her career and professional independence at EPRI. No public account details her personal life during this stretch, and it appears she used this period for career transition and stability rather than public visibility.

Second Marriage to George Sublett

In 1990, Quinn married George Sublett, an engineer with two sons from a previous marriage. Quinn became their stepmother, and the couple later became grandparents to four grandchildren. Horse riding was a shared passion, and the two traveled extensively together, building a life centered on companionship and adventure rather than public attention.

Life After George Sublett’s Passing

Sublett passed away in 2010 following a horse accident that led to brain damage and a stroke. Quinn later said simply that they had a fabulous life right up to the end, a reflection that captured her approach to loss without dwelling on it publicly.

Larry Ellison’s Other Marriages

Ellison founded Software Development Laboratories, later renamed Oracle, and his focus on work only intensified after his marriage to Quinn ended, with his later marriages and ambitions often taking a back seat to the company’s growth.

Adda Quinn’s Net Worth

Quinn’s net worth has never been publicly disclosed, and no corporate filings or financial records provide a verified valuation. She received no known settlement from Ellison, since they divorced in 1974, years before Oracle existed or had any value to divide. Her financial standing today, whatever it is, appears to be tied to her own career at EPRI rather than to Ellison’s fortune, now estimated in the hundreds of billions of dollars.

Adda Quinn’s Life Today (2026) and Privacy

As of 2026, Quinn reportedly lives in Belmont in northern California, away from Bay Area tech media and mainstream press coverage. Her interests reportedly include travel across Europe, Africa, Southeast Asia, Southwest Asia, China, Mexico, Japan, and the Indian Ocean Islands, along with a dental mission trip to help the Huarpe Indians in Mendoza, Argentina.

Closer to home, she has been linked to snow skiing in the American West, sailing in the Caribbean and Tahiti, backpacking in the Sierra Nevada, and horseback rides, alongside quieter hobbies like cooking, reading, needlepoint, and gardening. She has also been connected to support for children’s charities and senior programs in her community. No verified social media accounts confirm her current activities, and she has avoided public commentary about her connection to Silicon Valley figures.

Why Adda Quinn’s Story Still Matters

Quinn’s path shows what happened after a marriage most people only know through Ellison’s side of the story. She left the relationship before Oracle existed, built an independent career managing multimillion-dollar environmental projects, and never traded her privacy for public attention.

Her exchange with Ellison during marriage counseling, telling him to pursue his ambitions without her, is often cited as a motivational turning point in his early drive. It reflects a period of financial pressure and unstable income that shaped both of their futures, though only one of them chose to stay in the spotlight afterward.

Common Misconceptions and Unverified Claims About Adda Quinn

Several inaccurate assumptions circulate about Quinn online. She is sometimes confused with unrelated people sharing her name, including a listing tied to a 1962 Campbell High School class page with no connection to Ellison. Claims about a billionaire lifestyle, a dramatic divorce settlement, or direct involvement with Oracle are unsupported by any public record.

Basic details also vary between accounts, including Ellison’s exact age when they met and the precise year they bought their Oakland house. The most consistent version places their meeting in 1967 and the house purchase in 1970.

Conclusion

Adda Quinn’s story begins with a marriage to Larry Ellison in 1967, seven financially unstable years before their 1974 divorce, and continues through a distinguished, independent career at EPRI. She later found companionship again with George Sublett until his death in 2010, all while staying out of the public eye that surrounds Oracle and its billionaire connections. Her life reflects genuine independence and success built on her own terms, separate from Ellison’s global tech empire and research funding legacy.

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FAQs

Who is Adda Quinn?

Adda Quinn is the first wife of Larry Ellison, the Oracle co-founder, and she later built a private career of her own.

How did Adda Quinn meet Larry Ellison?

She met Larry Ellison at a Berkeley employment agency in California in 1967, during the late 1960s.

How long were Adda Quinn and Larry Ellison married?

Adda Quinn and Larry Ellison were married for seven years, from 1967 until their divorce in 1974.

Why did Adda Quinn and Larry Ellison divorce?

Financial stress, mismatched priorities, and career pressures led to their divorce, after both sought marriage counseling.

Did Adda Quinn and Larry Ellison have children?

Adda Quinn and Larry Ellison did not have children together during their marriage. She later became a stepmother to George Sublett’s two sons.

What is Adda Quinn’s net worth?

Adda Quinn’s net worth has not been publicly disclosed, though her career at EPRI suggests a financially independent, self-built professional life.

Where does Adda Quinn live now, and is she still alive?

Adda Quinn reportedly lives in Belmont, northern California, as of 2026, though her current status is not fully confirmed publicly.

Did Adda Quinn remarry after divorcing Larry Ellison?

Yes, Adda Quinn married George Sublett in 1990 and became stepmother to his two sons until he died in 2010.