Tabanus: It's always only <R. F.> Lovell but there's no other candidate.1912 Washington District of Columbia directory: Roy F. Lovell, asst exam pat o, Lincoln Hotel
1913 Washington District of Columbia directory: Roy F. Lovell, asst exam pat o, Lincoln Hotel
1913 Feb. 4: married to Edna P. Townsend
1914 Washington District of Columbia directory: Roy F. Lovell, asst exam pat o, h 108, 1206 10th nw
1917 WW1 card Maryland: Roy Franklin Lovell, 30, b. 3 July 1886 in Millbury Mass., Assistant Examiner Federal Government U. S. Patent Office, wife and child under 12,
1920 census Takoma Park, Montgomery, Maryland: Roy F. Lovell, 33, b. in Mass., Bt. Examiner; Edna, Wife, 29, b. in Rhode Island, Dorothy 5, Helen 2, William F., 88, Grand Mother (!)
1930: <R. F. Lovell, former champion of the District
of Columbia, now is a resident of Providence and a member of the chess club of that city.> (Washington Evening Star 21 Sep. 1930)
1930 census Providence Rhode Island: Roy F Lowell, 43, b. in Mass., Patent Attorney; Edna, Wife, 39; Dorothy 15, Helen 12, Jaqueline 7, Roy F 2.
1940 census Providence Rhode Island: Roy F. Lowell, 53, Patent Lawyer; Edna 49, Dorothy 25, Helen 22, Jaqueline 17, Roy F 12.