Susan,
We must be related. Thomas Bohan (my great trandfather) b. Mar 3 1864 in Prairie du Chen, Wisc. He was one of 10 children. At least one of the children was a half brother. Here is what I have
James Bohan d. 30 Apr 1894 (most likely Riceville, IA) m. Ellen Seymour
children:
Bridget Bohan (m. Dugan) child not mentioned by some relatives~possibly a half sister?
Nell Bohan b. Wisc. (m. Tom Mulick)
Ellen Bohan (single)
Margaret Bohan (m. Mike Collins)
Mary Bohan (single)
Nora Bohan (m. Shean ?)
Thomas Bohan (m. 24 Nov 1891 Elizabeth Ann Dargan Riceville, IA)
Dan Bohan b. Wisc. (m. 1885 in Muscoda, Wisc. Rose Zilpha Ingraham, b. 1867)
James Bohan (m. Hattie ?)
James (a half brother)

Sarah Broadbent and my maiden name was McKenna!