Jim Corrigan is the original human host of the Spectre. Murdered in life as a police detective, his soul was bonded to God's spirit of divine vengeance. Using his conscience and willpower, he controls the Spectre force and gives it human perspective. Hal Jordan took over as his successor during Day of Judgment, allowing Corrigan to move on. He was a member of the All-Star Squadron and the Justice Society of America. Jim Corrigan was created by Jerry Siegel and Bernard Baily, first appearing in More Fun Comics #52. (1940)
There have been two other men in the DC Universe with this name. James Corrigan was an ally of Black Lightning in Metropolis. The GCPD also had a corrupt officer named Jimmy Corrigan who murdered Crispus Allen.