In 1870, he was elected to the 3rd Winnebago County Assembly district (the Towns of Black Wolf, Nekimi, Nepeuskin, Omro, Poygan, Rushford, and Utica) for the 24th Wisconsin Legislature as a Republican, with 1,142 votes, against 69 write-ins (Republican incumbent James H. Foster was running for the Wisconsin Senate, and there was no Democratic or third party nominee).
Henry C. Morgan came to Black Wolf, Wisconsin, with his brother, Charles, and had a successful lumber mill operating until the Panic of 1857.
Charles Morgan served several years on the Winnebago County board and was twice an unsuccessful candidate for state legislature.
[3] Frederic's eldest brother was Charles Henry Morgan, who served as an officer in the 21st Wisconsin Infantry Regiment.
After the war, Charles moved to Missouri and was subsequently elected to five terms in the United States House of Representatives.