Ira G. Hersey began his career in law and public service in Maine. He spent several years in the state legislature, including leadership roles in the Senate. Hersey then transitioned to federal politics, serving multiple terms in the U.S. House of Representatives. He was involved in significant proceedings, such as the impeachment of a federal official. After his congressional service, Hersey returned to state-level judicial roles, serving as a probate judge.

Ira G. Hersey's political identity is marked by a unique blend of traditionalism and selective modernization. His support for the Immigration Act of 1924 reveals an exclusionary stance rooted in a vision of America as a nation settled by Northern Europeans. This ethnocentric view juxtaposes sharply with his legislative career, suggesting a calculated approach to policy that balances ideological purity with pragmatic regional interests. Hersey's rhetorical style often emphasizes a nostalgic vision of America, which invites scrutiny into how he reconciles this vision with evolving national demographics.