Dolly (sheep)
Dolly (5 July 1996 – 14 February 2003) was a female domestic sheep, and the first mammal cloned from an adult somatic cell, using the process of nuclear transfer.
Dolly Gray (baseball)
William Denton "Dolly" Gray (December 4, 1878 in Houghton, Michigan – April 4, 1956 in Yuba City, California) was a left-handed professional baseball pitcher who played from 1909 to 1911 for the Washington Senators. One source says he was born in Ishpeming, Michigan.