Just found a son of William Sturgis Boman which was formerly carried as Samuel R. Boman.
Samuel Robert Boman was born 10 April 1865 in Illinois and died 1931 in Savonburg, Allen Co., KS in the Savonburg Swedish Cemetery.He married Sarah C. Nelson, daughter of Olaf Nelson and wife Inga who were also buried in this cemetery.Sarah (Nelson) Boman was born 12 March 1867 in Illinois and died 1919. She was also buried in same cemetery.
In addition Samuel and Sarah Boman had at least two known children:Ethel E. Boman b, 1894 died 1896 buried Savonburg, Cemetery.Frances Edna Boman born 2 June 1892 in Savonburg, Allen County, Kansas.She married a Kelly and they had a daughter Mildred Frances Kelly b. 9 June 1912 died 24 Mar 1980 who married a Griffin.
I am sure that more can be found on the Samuel Robert Boman family in the 1900-1930 censuses.
This adds a little more to the Arcada Sturgis - James Boman line.