Boy 1st class. Born on October 10, 1897, Nobles enlisted in the U.S. Coast Guard on April 7, 1917, at Tampa and gave Gasparilla, Florida, a fishing settlement on Charlotte Harbor near Boca Grande, as his hometown. In 1910 he resided in Fort Myers with his parents and three younger sisters. He lived with his grandfather at Gulfport before entering the service, though his mother in Gasparilla was listed as his next of kin. His name is on the World War Heroes Memorial at Williams Park in St. Petersburg (USGC Service Card; Veterans Administration Master Index)