Markwayne Mullin

Secretary of homeland security (2026–present). Endorsed 5 candidates in 2026.

Who they are

Markwayne Mullin is an American politician and businessman who has served since 2026 as the 9th United States secretary of homeland security. A member of the Republican Party, Mullin served from 2023 to 2026 as the junior United States senator from Oklahoma and from 2013 to 2023 as the U.S. representative for Oklahoma's second congressional district.

From Wikipedia.

Where their endorsements fall

Of the 5 endorsed candidates on our ballots: 5 Republicans.

The 4 with a published academic score (Voteview, Shor–McCarty or DIME) average moderately right. This describes the candidates they endorsed, not Markwayne Mullin themselves.

Who they endorsed

Iowa

Mariannette Miller-Meeks (Republican) · Iowa U.S. House District 1
Ashley Hinson (Republican) · Iowa U.S. Senate

Kentucky

Andy Barr (Republican) · Kentucky U.S. Senate

Oklahoma

Mike Mazzei (Republican) · Oklahoma Governor

Texas

Carlos De La Cruz (Republican) · Texas U.S. House District 35

Endorsements as listed in the Endorsements sections of Wikipedia's 2026 race articles, each with its own citation there. Those lists cover federal and statewide races well and local races little, so an endorser may have endorsed others not shown here. All endorsers.

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