When Julius Marcellus Kelsey was born on 21 July 1836, in Tunbridge, Orange, Vermont, United States, his father, James Kelsey, was 35 and his mother, Catherine Smith, was 29. He married Susan Berg Kelsey on 26 March 1868, in Vermont, United States. They were the parents of at least 1 son and 1 daughter. He lived in New York, United States in 1870 and Stockholm, St. Lawrence, New York, United States in 1900. He died on 3 November 1905, at the age of 69, and was buried in Buckton, Stockholm, St. Lawrence, New York, United States.
English: habitational name from North or South Kelsey in Lincolnshire, so named from an uncertain initial element (perhaps an Old English personal name with genitive -es) + Old English ēg ‘island’.
Possibly also an Americanized form of German Gelzer.
History: William Kelsey was one of the founders of Hartford, CT, in 1635 (coming from Cambridge, MA with Thomas Hooker).