Kathryn Mayme Muir was born on 13 June 1930 in Adrian, Michigan, to Peter Semple Muir and Mayme Zebio. She was their youngest child. Her father worked as a steam pipe fitter at an auto factory. Sometime between 1935 and 1940, the family moved to 9335 Hubbell Avenue in Detroit, Michigan.
Kathryn, known as Kay, married Wilber Walker Hoyt, son of William Walker Hoyt and Febie Leone Biggs, on 3 December 1948 in Detroit. They had four children over the course of their marriage.
In 1995 Kay and Wilber lived in Novi, Michigan and Kay was still residing there when her daughter died in 2003. Kay died on 4 February 2014.
1940 US Federal Census, Census Place: Detroit, Wayne, Michigan; Roll: T627_1888; Page 1B; Enumeration District: 84-1554
Alice (Muir) Jennings Genealogy Notebook, pages 19 and 23
Fred Wood Funeral Home, http://www.fredwoodfuneralhome.com
US, Michigan Marriage Records, 1867-1952, 1948 Hoyt, Wilber Walker - Muir, Kathryn Mayme
US, Public Records Index, Volume 1, 1995 Novi, MI (Hoyt, Katherine Mayme)
US, Public Records Index, Volume 2, 1950-1993, 1950-1993 Hoyt, Katherine M (Wixom, MI)
US, Social Security Death Index, 1935-2014, Issue State: Michigan; Issue Date: Before 1951 (Hoyt, Katherine)