Wilber Walker Hoyt was born on 27 November 1929 in Redford, Michigan, to William Walker Hoyt and Febie Leone Biggs. His family lived at 25529 Hope Street and his father worked as a letter carrier for the U.S. Postal Service. Ten years later the family lived at 15962 Winston in the same township.
Wilber married Kathryn "Kay" Mayme Muir, daughter of Peter Semple Muir and Mamie Zebio, on 3 December 1948 in Detroit. The couple had four children over the course of their marriage.
Wilber Walker Hoyt died on 9 November 1984 in Farmington Hills, Michigan.
1930 US Federal Census, Census Place: Redford, Wayne, Michigan; Roll: 1076; Page: 1A; Enumeration District: 1037; Image: 65.0; FHL microfilm: 2340811
1940 US Federal Census, Census Place: Redford, Wayne, Michigan; Roll: T627_1835; Page: 9A; Enumeration District: 82-203
US, Michigan Death Records, 1871-1996, 1984 Hoyt, Wilber W.
US, Michigan Marriage Records, 1867-1952, 1948 Hoyt, Wilber Walker - Muir, Katherine Mayme
US, Social Security Applications and Claims Index, 1936-2007, Number: 383-24-9782
US, Social Security Death Index, 1935-2014, Number: 383-24-9782; Issue State: Michigan; Issue Date: Before 1951