Markwayne Mullin, born on July 26, 1977, is an American politician, entrepreneur, and mixed martial arts competitor. He has held the position of Oklahoma’s junior U.S. senator since January 2023. Mullin, a Republican and member of the Cherokee Nation, is the first Indigenous American senator since 2005 and only the second Cherokee senator since 1925. Prior to his Senate career, he represented Oklahoma’s 2nd district in the U.S. House from 2013 to 2023. He secured a special election victory in November 2022 to complete Jim Inhofe’s term in the Senate.
As of March 2026, Mullin continues to serve as a senator. He is part of the Armed Services, Indian Affairs, and Environment and Public Works Committees. Known for his conservative stance, Mullin advocates for border safety, energy self-sufficiency, and issues concerning veterans. He is also often vocal in the media.
Age
Markwayne Mullin was born on July 26, 1977, in Tulsa, Oklahoma. He celebrated his 48th birthday in July 2025, making him 48 years old as of March 2026.
Wife
Markwayne Mullin wed Christie Renee Rowan in 2000. Christie, born in 1979, has worked as an educator and has been a steadfast supporter of Mullin throughout his ventures in business and politics. The two were high school sweethearts hailing from Stilwell. They maintain a low public profile but occasionally appear together at events. Mullin often acknowledges Christie as his primary supporter and steady influence throughout his public service. They reside in Westville, Oklahoma.
Son
Markwayne and Christie Mullin are the parents of six children, including a son named John Mullin. They choose to keep details regarding John’s age, birth date, and personal affairs private. Mullin frequently mentions his children in interviews and public speeches, emphasizing family values, diligence, and faith as key aspects of his life. The Mullins have nurtured their children in a rural, faith-oriented environment in northeastern Oklahoma, deliberately keeping their family life away from the media scrutiny of Washington, D.C.
Career
Markwayne Mullin spent his formative years in Westville, Oklahoma, as the youngest of seven siblings to Jim and Brenda Mullin. He graduated from Stilwell High School and briefly attended Missouri Valley College in 1996. Upon his father’s illness in 1997, Mullin assumed responsibility for the family venture, Mullin Plumbing, at just 20 years old. He later obtained an associate degree in construction technology from the Oklahoma State University Institute of Technology in 2010.
Mullin expanded the family enterprise into Mullin Properties, Mullin Farms, and Mullin Services, developing a prosperous portfolio in construction, real estate, and agriculture. In 2010, he hosted House Talk, a syndicated home improvement radio show on KFAQ in Tulsa. He began his political journey in 2012 and was elected to the U.S. House for Oklahoma’s 2nd district, serving five consecutive terms from 2013 to 2023. Throughout his tenure, he focused on energy, agriculture, veterans’ affairs, and Native American concerns. In 2022, he contested in a special election for the U.S. Senate seat left vacant by Jim Inhofe, winning the Republican primary runoff against T.W. Shannon and subsequently the general election against Democrat Kendra Horn.
Within the Senate, Mullin advocates for border security, fossil fuel use, the Second Amendment, and freedom of religion. He calls for enhanced immigration enforcement and opposes the participation of transgender athletes in women’s sports. Mullin also backs the expansion of MMA regulations via the Ali Expansion Act. In March 2025, President Trump nominated him for Secretary of Homeland Security, and as of March 2026, his confirmation remains pending.
Net Worth
In 2026, Markwayne Mullin’s net worth is projected to be between $31 million and $75 million, primarily originating from the following sources:
- Ownership and sale of family enterprises (Mullin Plumbing, Mullin Properties, Mullin Farms, Mullin Services) – sold to HomeTown Services in early 2021
- Real estate investments and agricultural ventures
- Congressional salary, amounting to $174,000 annually as a senator
- Investments and business interests enumerated in his financial disclosures.
In late 2021, Mullin reported assets ranging from $31.6 million to $75.6 million, mainly attributed to the sale of his business. His wealth has remained stable or increased slightly since his Senate arrival, with no significant new income sources apart from his salary and previous holdings.
Profile Summary
| Full Name | Markwayne Mullin |
| Date of Birth | July 26, 1977 |
| Age (March 2026) | 48 |
| Wife | Christie Renee Rowan (married 2000–present) |
| Children | Six (including one son, John Mullin; names and ages of others undisclosed) |
| Net Worth (2026 est.) | $31–75 million |
| Education | Stilwell High School; Associate Degree in Construction Technology (OSU Institute of Technology, 2010) |
| Career Highlights | Owner/operator of Mullin businesses; U.S. House (2013–2023); U.S. Senator (2023–present); nominated for Secretary of Homeland Security (March 2025) |
| Current Role | Junior U.S. Senator from Oklahoma; awaiting nomination for Secretary of Homeland Security |
