William Henry Fitzgerald (1848–1922) was a member of the Wisconsin State Assembly.
Fitzgerald was born May 15, 1848[1] in what is now Cedarburg, Wisconsin. Fitzgerald was originally a member during the 1878, 1879 and 1880 sessions.[2] After the length of sessions were change to two years, he was again a member during the 1891 and 1893 sessions. Previously, Fitzgerald was Town Treasurer of Cedarburg in 1872 and Chairman (similar to Mayor) of Cedarburg in 1876 and 1877. Additionally, he was a justice of the peace.[3] Fitzgerald was identified as an Independent Democrat and a Democrat. He married Teresa M. Dunn (1853–1933) and died on January 3, 1922, in Grafton, Wisconsin.