Lucius H. Pratt b. 1832 in Maine married Ellen Eunice Rogers who was b. 1844 in Maine. Their son, Arthur was born in 1871 in Minnesota.
From "International Genealogical Index (IGI)," database,...
In the US Census, 1940, Arther L. Pratt, b. Minnesota, est. birth year 1871, was living in FL. Election Precinct 5, Bay, Florida.
His wife is Gertrude Pratt, age 62, and son, Angus Pratt, age 26.
Arthur L. Pratt died May 1967 Lee, Florida, United States.