[1] Following his discharge from active duty in 1967, Darigan served as a reserve officer in the US Army's 76th division, retiring from military service in 1975 with the rank of captain.
[2] Following his membership on the city council, Darigan acted as legal counsel to the Rhode Island Department of Transportation, Governor’s Office on Energy, and the Public Utilities Commission.
[3] On January 26, 1984, then-Governor J. Joseph Garrahy appointed Darigan to the Rhode Island District Court.
[4] On June 28, 1991 Darigan was appointed associate justice of the Superior Court of Rhode Island by then-governor Bruce Sundlun.
[3] Darigan presided over a number of high-profile cases, including the trials of Daniel Michael Biechele of the Station Nightclub Fire and former governor Edwin DiPrete.