William Taggart Lathrop was born 17 April 1825 in Le Roy, Genesee County, New York, United States to John Lathrop (1794-1887) and Martha Clifford (1792-1837) and died 19 November 1907 Rockford, Winnebago County, Illinois, United States of unspecified causes. He married Sarah Adeline Potter (1836-1909) .
|Offspring of William Taggart Lathrop and Sarah Adeline Potter (1836-1909)|
|Julia Clifford Lathrop (1858-1932)||29 June 1858 Rockford, Winnebago County, Illinois, United States||15 April 1932 Rockford, Winnebago County, Illinois, United States|
|Anna Hubbell Lathrop (1860-)|
|Edward Potter Lathrop (c1863-)|
|William Taggart Lathrop (1868-)|
|Robert Lathrop (c1870-)|
|Ruth Madge Lathrop (1875-)|