He was of Welsch and French ancestry.
He came to Austin, Minnesota in 1876 or 1877. He moved to Albert Lea, Minnesota in 1878. He moved to Minneapolis, Minnesota in 1890. The Minnesota Legislative Manual, 1897, p. 112 lists 1887 as the year he settled in Minnesota; p. 607 lists 1877. The Minnesota Legislative Manual, 1889, p. 626 lists 1877.
He (Frank Arah Day) "has been a prominent figure in all the impoortant Republican gatherings in the state for a dozen years or more. In the campaign of 1896, however, Mr. Day, with Hon. John Lind, Hon. John Day Smith, Congressman C.A. Towne, State Senators D.F. Morgan, and S.B. Howard, and other men formerly prominent in the Republican party of the state, organized the free silver Republican party of Minnesota..." (Progressive Men of Minnesota, 1897, p. 505)
"Mr. Morgan early became attached to the Republican party." (Progressive Men of Minnesota, 1897, p. 449)
He was a member of the Elks.
He was a member of Gethsemane Episcopal Church.
Religion provided by Progressive Men of Minnesota, 1897.