Catherine "Kay" Maguire (later Horsfall, February 4, 1906 – April 1991) was an American track and field athlete who competed in the 1928 Summer Olympics, finishing eighth in the women's high jump event.

Maguire in 1928

She was born in Pacific, Missouri. She was a member of the Headlight Athletic Team in St. Louis, Missouri.

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  • Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Kay Maguire". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 2020-04-18.