Career
Born in the town of Centerville, Manitowoc County, Wisconsin, Egan went to Oshkosh Normal School (now University of Wisconsin–Oshkosh) and taught school. From 1912 to 1940, Egan was a conservation game warden and was involved with the Boy Scouts of America. In 1941, Egan served in the Wisconsin State Assembly as a Republican.
In the United States November 1942 election, Egan was defeated for re-election to office.
Egan died of a heart attack at his home in Manitowoc, Wisconsin before his term in office ended in January 1943.