When Alvarado Kermit Morse was born on 10 January 1850, in Little Compton, Newport, Rhode Island, United States, his father, Anthony Morse, was 49 and his mother, Hannah C. Almy, was 37. He married Elizabeth Filena Cotton on 12 March 1874, in Glenwood, Mills, Iowa, United States. They were the parents of at least 1 son. He lived in Macoupin, Illinois, United States in 1860 and Larimer, Colorado, United States in 1885. He died on 10 January 1899, at the age of 49, and was buried in Fort Collins, Larimer, Colorado, United States.