1880 Soundex index of all the Sweeneys in Bay County
1900 Soundex index of all the Sweeneys in Bay County
Index of Sweeneys in selected city directories for Bay City/Bay County: 1871-1882, 1883, 1884/5, 1890/1, 1897, 1902, 1905
Biography of John Grattan Sweeney from 1883.