James, My Dunn's are: Dennis Dunn b.1840 Co Kildare,Ireland, migrated to Marshall Michigan. Married Catherine Johnson B. 1846 Ireland...sons: Martin Dunn b. 1867 Calhoun County, Michigan, migrated to Chicago. Married Josephine Galvin 1889 Chicago. #2 son: Dennis Dunn Jr b. 1871/72 Calhoun Co, Michigan I have no idea or knowledge of a Thomas Dunn other than my 3rd cousin in Flint Michigan who's gr-grandfather had a Thomas Dunn born @ 1863 in Co, Kildare, Ireland. Kathy