South Carolina Gov. Henry McMaster has appointed Darline Graham Nordone, the younger sister of the late Sen. Lindsey Graham, to temporarily fill her brother's U.S. Senate seat, handing the position to a woman with no elected-office experience after President Donald Trump publicly urged the governor to select her.

The appointment, announced Monday in Columbia, quickly triggered accusations of nepotism and renewed debate over the power governors hold to fill Senate vacancies without an immediate public vote. Nordone will serve only through the remaining months of Graham's term, with a special Republican primary scheduled next month ahead of the November election.

Graham died at his Washington, D.C., home on July 11 at age 71. His death was attributed by the medical examiner to "Aortic Dissection due to Arteriosclerotic Cardiovascular Disease," ending a decadeslong Senate career and abruptly opening one of South Carolina's two seats in the chamber.

McMaster presented Nordone's appointment as a continuation of Graham's unfinished work rather than the start of a new political career.

"It's my honour to ask his little sister, Darlene Graham, to finish his work for him now," McMaster said during the ceremony.

Nordone accepted the appointment while invoking the unusually close relationship she shared with her brother.

"Lindsey has always been there for me, and now, I will be there for him," she told those gathered.

Trump had publicly encouraged McMaster to make the appointment, describing Graham's "wonderful sister" as an appropriate choice and later praising the decision as "a fabulous tribute to Lindsey, who loved her dearly."

The presidential intervention, combined with Nordone's lack of experience in elected office or the federal government, fueled a swift backlash on social media. Critics questioned why a family member had been elevated to the Senate without facing voters.

"Appointing a family member to an elected position? Neat democracy you have there, America," one X user wrote.

Another critic said, "She has no government experience," while a separate commenter called the appointment "sickening" and added, "Nepotism is alive and well."

"Who needs elections when you can just swap out politicians?" another user wrote.

Others focused directly on Trump's influence over the decision. "The only 'qualification' needed to serve in the MAGA-led Republican Party is to faithfully do whatever [Trump] commands," one user claimed.

Nordone, however, has long occupied a central place in Graham's personal and political story. The siblings grew up in a one-room house behind the Sanitary Café, the bar and liquor store operated by their parents in Central, S.C.

Their mother died of Hodgkin's lymphoma in the mid-1970s. Their father died of a heart attack in his sleep about 15 months later, leaving Graham, then in his early 20s and studying law, responsible for his 13-year-old sister.

Graham became Nordone's legal guardian and later adopted her, allowing her to receive his military benefits while he served as an Air Force lawyer. The family history became a recurring part of Graham's political biography and was frequently highlighted during his campaigns.

"I can remember the day my father passed away, standing in the living room of that house, absolutely scared to death," Nordone recalled in a previous interview.

"Lindsey wrapped his arms around me and promised me he would always be there for me and always take care of me."

Nordone also appeared in a 2014 Graham campaign advertisement, saying, "He never let me down. Never. I don't see how he did it, to take on the responsibility of raising a little sister."

While Nordone has never held elected office, the governor's office has pointed to her work with people with disabilities and her experience in state-related positions. An official biography says she served as commissioner of the South Carolina Commission for the Blind and held roles at Clemson University and state agencies.

Her appointment also gives South Carolina its first female U.S. senator. Supporters have compared the decision with the historical practice sometimes called "widow's succession," under which governors appointed relatives-most commonly wives-of deceased lawmakers as temporary caretakers.

Nordone's appointment differs because she is Graham's sister rather than his spouse. Graham never married and had no children, and Nordone was frequently described after his death as his only immediate surviving family member.

McMaster said he approached Nordone about the Senate vacancy "in the wee hours of Sunday morning." According to the governor, she agreed "through tears" to temporarily take her brother's place.