|MLA for Alberton-Miminegash|
|Preceded by||Hector MacLeod|
|Succeeded by||Pat Murphy|
|Born||May 11, 1948|
Morell, Prince Edward Island
|Political party||Progressive Conservative|
Born in Morell, Prince Edward Island, the son of Frank Dunn and Eileen O'Brien, Dunn received a BSc from the University of Prince Edward Island. In 1969, he married Linda MacDonald. He represented the electoral district of Alberton-Miminegash and was a member of the Progressive Conservative Party.
Cletus is the father to 5 children; one of which also ran as a MLA for the PC's and lost by a very small margin of votes. He was also part of Canada Games teams from P.E.I. as a missionary chief.
- "Minding the House: a biorgraphical guide to Prince Edward Island MLAs (Volume 2), 1993-2017 (Cassandra Bernard & Sean McQuaid, Eds.)" (PDF). Legislative Assembly of Prince Edward Island. Retrieved 2021-04-05.