Cornelius Sylvester Deegan, Jr. (April 7, 1901 – August 29, 1967) was a Republican politician and businessman from Philadelphia.
Deegan's father was a captain in the Philadelphia Fire Department.
[1] He entered the insurance and real estate business after graduation and became involved with local politics.
In 1951, after the new city charter came into effect, Deegan ran for county sheriff but was defeated by Democrat William M. Lennox.
[1] He died in 1967 at Northeast Philadelphia's Nazareth Hospital and was buried at Holy Sepulchre Cemetery.