South Carolina Governor Henry McMaster announced Monday that Darline Graham Nordone will serve as the interim U.S. senator for the state [1].

The appointment ensures that South Carolina maintains full representation in the Senate following the death of Sen. Lindsey Graham on Saturday, July 11 [2]. Because the vacancy occurred unexpectedly, the governor's choice provides immediate stability to the seat until a permanent successor is determined.

President Donald Trump said he influenced the selection process for the temporary role. "I recommended, to Governor Henry McMaster, Lindsey Graham's wonderful sister, Darline [Graham Nordone], to serve as interim Senator from the Great State of South Carolina," Trump said [3].

Governor McMaster held a press conference in South Carolina to formalize the appointment on July 13, 2026 [1]. The move follows the death of the longtime senator, who died earlier this week [2].

Nordone steps into the role during a period of transition for the state's federal representation. The governor's decision to appoint a family member of the late senator follows the recommendation from the president [3].

While Nordone fills the vacancy as an interim measure, the appointment prevents a prolonged period where the state would hold only one vote in the U.S. Senate. The timing of the announcement comes two days after the death of Sen. Graham [2].

Darline Graham Nordone will serve as the interim U.S. senator for the state

The appointment of a family member to a vacated Senate seat is a rare move that prioritizes continuity and legacy over a traditional political appointment. By selecting Darline Graham Nordone, Governor McMaster avoids a potential political battle over the interim appointment while adhering to a recommendation from President Trump, ensuring the seat remains in aligned hands until a formal election or permanent appointment occurs.