James Fagan (July 4, 1806 – February 11, 1868) was an Irish American immigrant, farmer, and Wisconsin pioneer.
He was a member of the Wisconsin State Assembly, representing Washington County during the 1849 and 1857 sessions.
In 1837 he emigrated to the United States, settling in Orange County, New York, and was soon followed by his younger brother Thomas.
[4] In 1848 he was elected from the Assembly's 2nd Washington County district (the Towns of Jackson and Grafton), succeeding fellow Democrat Benjamin H. Mooers, for the 1849 session (the 2nd Wisconsin Legislature).
[6] He was elected to the Assembly again for the 1857 session from the newly created 3rd Washington County district (Towns of Farmington, Germantown, Jackson and Trenton), although his mailing address was recorded as Cedarburg.