Darline Graham, the sister of the late Sen. Lindsey Graham (R-S.C.), was sworn in Tuesday afternoon to serve out the remainder of her brother's term, just three days after his sudden death over the weekend. The ceremony, held on the Senate floor, marked the first time in Senate history that a sibling has been appointed to replace a deceased senator, according to NBC News. Sen. Chuck Grassley (R-Iowa), the Senate president pro tempore, administered the oath of office as dozens of senators from both parties stood and applauded, as reported by CBS News. Secretary of State Marco Rubio, Trump special envoy Steve Witkoff, and Jared Kushner were also in attendance.

Main Story

Darline Graham, the younger sister of the late Sen. Lindsey Graham, was sworn in as a United States senator on Tuesday afternoon, filling the seat vacated by her brother's unexpected death. The ceremony took place on the Senate floor at approximately 2:30 p.m., with Sen. Chuck Grassley administering the oath. Dressed in pale blue, Darline Graham recited the oath as senators from both parties stood and applauded, according to The Hill. The event drew high-profile attendees, including Secretary of State Marco Rubio, Trump special envoy Steve Witkoff, and Jared Kushner, as reported by CBS News.

Lindsey Graham, who died late Saturday at age 71, had been a prominent Republican senator from South Carolina since 2003. He was not married and had no children, and he shared a close bond with his sister. After their parents died in quick succession when Lindsey Graham was in his early twenties, he became Darline's legal guardian when she was 13, as detailed by CBS News. Darline Graham, now 62, has worked as an optician and at various state agencies, including the South Carolina Commission for the Blind and the Department of Employment and Workforce, according to PBS NewsHour. She has not previously held public office.

South Carolina Gov. Henry McMaster appointed Darline Graham on Monday to complete her brother's term, which runs until early January 2027. During an emotional news conference in Columbia, McMaster said that Lindsey Graham had taken care of his little sister in years long departed, and called it an honor to ask her to finish his work, as reported by CBS News. Darline Graham described it as a privilege to finish some of her brother's important work and pledged to work hard over the next several months to support the president and carry forward his efforts on behalf of South Carolina and the United States, according to the same report.

Why It Matters

Darline Graham's swearing-in is a historic moment in Senate history. According to NBC News, it is the first time a sibling has been appointed to replace a deceased senator. Her appointment also makes her the first woman to represent South Carolina in the Senate, a milestone noted by CBS News. While she is not a career politician, she is expected to be a reliable vote for the Republican majority, as reported by NBC News. Rep. Ralph Norman (R-S.C.) said before the swearing-in that she loves the country and would do what Lindsey would do, according to the same outlet.

Political Context

Lindsey Graham's death has set off a scramble for his seat in the upcoming election. He had been seeking a fifth term, and South Carolina will hold a special primary election on August 11 to select a Republican nominee to replace him on the ballot, as reported by CBS News. Potential Republican candidates include Rep. Ralph Norman, Lt. Gov. Pamela Evette, and Rep. Nancy Mace, all of whom ran unsuccessfully for governor this year, according to NBC News. The eventual Republican nominee will face Democrat Annie Andrews in the general election for a full six-year term, as noted by The Guardian.

Lindsey Graham was a close ally of President Donald Trump and served as chairman of the Senate Budget Committee. He was set to become the top Republican on the Senate Judiciary Committee in the next Congress, according to PBS NewsHour. His sudden death was caused by a tear in his aorta, known as an aortic dissection, as reported by the same source.

What Officials and Groups Are Saying

Senate Majority Leader John Thune (R-S.D.) said before the swearing-in that he knows Darline Graham will carry on Lindsey Graham's tireless service to South Carolina, according to PBS NewsHour. Gov. Henry McMaster, in announcing her appointment, emphasized the close relationship between the siblings and the honor of asking her to finish her brother's work, as reported by CBS News. Darline Graham herself expressed that Lindsey had always been there for her, and now she would be there for him, according to the same report.

Timeline

  • July 11, 2026 (Saturday): Sen. Lindsey Graham dies unexpectedly in Washington at age 71 from an aortic dissection, per PBS NewsHour.
  • July 13, 2026 (Monday): South Carolina Gov. Henry McMaster appoints Darline Graham to fill her brother's seat, per CBS News.
  • July 14, 2026 (Tuesday): Darline Graham is sworn in as a U.S. senator on the Senate floor, per NBC News.
  • August 11, 2026: South Carolina will hold a special primary election to select a Republican nominee for the general election, per CBS News.
  • Early January 2027: Lindsey Graham's term ends, and a new Congress is sworn in, per CBS News.

Frequently Asked Questions

Who is Darline Graham?

Darline Graham is the younger sister of the late Sen. Lindsey Graham. She is 62 years old and has worked as an optician and at state agencies including the South Carolina Commission for the Blind and the Department of Employment and Workforce. She has not previously held public office, according to PBS NewsHour.

How long will Darline Graham serve in the Senate?

She will serve out the remainder of her brother's term, which ends in early January 2027, as reported by CBS News.

Is this the first time a sibling has replaced a senator?

Yes, according to NBC News, it is the first instance in Senate history of a sibling being appointed to replace a deceased senator.

What happens to Lindsey Graham's Senate seat in the long term?

A special primary election will be held on August 11, 2026, to select a Republican nominee. The nominee will face Democrat Annie Andrews in the general election for a full six-year term, per The Guardian.

What was Lindsey Graham's cause of death?

Lindsey Graham died from an aortic dissection, a tear in the aorta, according to a preliminary report from the medical examiner, as reported by PBS NewsHour.

What Happens Next

Darline Graham will serve in the Senate until early January 2027, when her brother's term expires. In the meantime, South Carolina Republicans will hold a special primary on August 11 to choose a nominee for the general election, where the winner will face Democrat Annie Andrews. Darline Graham has pledged to support President Trump and continue her brother's work, and she is expected to be a reliable vote for the Republican majority. Her historic swearing-in marks a poignant chapter in Senate history, as a sister steps in to finish the work of a brother who raised her.