John K. Hagerty (November 8, 1867 – November 18, 1945) was an American politician from Pennsylvania who served as a Republican member of the Pennsylvania House of Representatives for Delaware County from 1921 to 1922.
[1] Hagerty was elected to the Chester City Council and served from 1907 to 1918.
He was the superintendent of Public Safety for Chester from 1914 to 1918 and school tax collector from 1918 to 1920.
Hagerty was elected to the Pennsylvania House of Representatives for Delaware County and served from 1921 to 1922.
He served as postmaster for the United States Postal Service for the Chester post office from 1923 to 1935.