Since 2018, Thomas has been the senior associate justice, the longest-serving member of the Court, with a tenure of 29 years, 261 days as of July 11, 2021.. Results 1 - 25 of 8972 — Contributor: Walders, Davi; Date: 2011-05-12 ... Contributor: Brislin, Kate - Stecher, Jody; Date: 2021-06