Ralph Elliott Blackmar was born on 11 May 1888 in East Providence, Providence County, Rhode Island. In the 1930 Census he was living with his parents on Park Avenue in Barrington. He and
Gladys May Clark were married before 1913 in Rhode Island. He died on 14 January 1957 at age 68.
In the WW1 draft registration in 1917, he was listed as living on Rogers Drive in Riverside with wife and two children. He worked as a baggage clerk for the railroad. He was of medium build, blue eyes, and dark brown hair.
In the 1920 Census, he was a railroad clerk living on Richmond Terrace in East Providence with his wife and daughter.
In the 1940 Census, he was living with his brother, Allen, on Park Drive in Barrington.
In the 1956 Providence City Directory, there were two Ralph Blackmars listed. One had an office on Westminister Street and the other was President and Treasurer of Ingalls Engineering. Related? Ralph Elliott Blackmar lived in East Providence town, Providence, Rhode Island, in 1900. He lived at E. D. 0146 in East Providence, Providence, Rhode Island, in 1905. He lived in Providence, Providence, Rhode Island, in 1910. He and
Gladys May Clark were married on 23 January 1918 in Manhattan, New York, New York. He lived in East Providence, Providence, Rhode Island, in 1920. He lived in Barrington, Bristol County, Rhode Island, in 1930. He lived in Barrington, Bristol County, Rhode Island, in 1940. He lived in Dade, Florida, in 1945.