Most of the memorabilia concern election campaigns and Democratic Party politics. There are a few awards and personal items as well.

Appreciations and Awards: These are from the Hawaii House and Senate; PFLAG-Oahu (Parents, Friends and Families of Lesbians and Gays); National Conference of Lt. Governors; Smithsonian Institution; National Museum of American Indians; the state of Texas; and the city of Dallas, Texas.

Campaign: This subseries documents Gill’s election campaigns for the U.S House (1962); U.S. Senate (1964); Hawaii Lt. Governor (1966); and Governor (1970, 1974, 1986). Included are buttons, posters; fliers; souvenir emery boards and pens; and an assortment of shirts, vests and dresses with Gill’s name and other campaign logos on them.

Personal: In this subseries are a medal for 2nd place in a 1940 >Star-Bulletin oratorical contest; a Phi Theta Psi fraternity pin; a button for the Roosevelt High School 50th reunion (1990) s with Gill's high school picture on it; a button with "Save Our Star-Bulletin"; a hard hat with Gill's name on it; and a special issue of Berliner Illustrirte commemorating President Kennedy's inauguration.

Political: Included here are badges for a variety of national Democratic Party events; desk name plates; a shirt embroidered on the pocket with "Rep. T.P. Gill, State of Hawaii"; and a shirt embroidered on the pocket with "Jan. 23-24, 1964, Marshall Islands, U.S. Congressional Visit."