Katherine Clark

House minority whip (2023–present) from MA-05 (2013–present). Endorsed 7 candidates in 2026.

Who they are

Katherine Marlea Clark is an American lawyer and politician who has served as House minority whip since 2023 and is currently in her seventh term as the U.S. representative for Massachusetts's 5th congressional district, having held the post since 2013. She previously served as assistant speaker from 2021 to 2023 and vice chair of the House Democratic Caucus from 2019 to 2021.

From Wikipedia.

Where their endorsements fall

Of the 7 endorsed candidates on our ballots: 7 Democrats.

The 7 with a published academic score (Voteview, Shor–McCarty or DIME) average slightly left. This describes the candidates they endorsed, not Katherine Clark themselves.

Who they endorsed

California

Massachusetts

  • Dan Koh (Democrat) · Massachusetts U.S. House District 6
  • Ed Markey (Democrat) · Massachusetts U.S. Senate

Missouri

  • Wesley Bell (Democrat) · Missouri U.S. House District 1

New York

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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