- References
{{Infobox Ship Career| Hide header= | Ship country=United States | 1942}} | Ship name=USS Canonicus | Ship namesake=Canonicus (c. 1565-1647), a Native American chief of the Narragansett | Ship owner= | Ship operator= | Ship registry= | Ship route= | Ship ordered= | Ship awarded= | Ship builder= | Ship original cost= | Ship yard number= | Ship way number= | Ship laid down= | Ship launched=1941 | Ship sponsor= | Ship christened= | Ship completed= | Ship acquired=1 May 1941 | Ship commissioned= | Ship recommissioned= | Ship decommissioned=30 April 1947 | Ship maiden voyage= | Ship in service=3 June 1941 | Ship out of service= | Ship renamed= | Ship reclassified= | Ship refit= | Ship struck= | Ship reinstated= | Ship homeport= | Ship identification= | Ship motto= | Ship nickname= | Ship honours= | Ship honors= | Ship captured= | Ship fate=Transferred to the Maritime Commission for disposal 30 April 1947 | Ship status= | Ship notes= | Ship badge=
}}{{Infobox Ship Characteristics | Hide header= | Header caption= | Ship class= | Ship type=Harbor tug | Ship tonnage= | Ship displacement=133 tons | Ship tons burthen= | 93|ft|abbr=on}} | 22|ft|abbr=on}} | 750|hp|kW|abbr=on}}, single propeller
}} | {{otherships|USS Canonicus}}The third USS Canonicus (YT-187) was a United States Navy harbor tug which entered service in 1941 and was discarded in 1947. It was built in Beaumont, Texas as the Thomas E. Moran for the Moran Towing Co., and purchased from them by the navy on 1 May 1941. Renamed Canonicus, it was placed in service on 3 June 1941. It served in the 1st Naval District and 5th Naval District. Canonicus was transferred to the Maritime Commission for disposal on 30 April 1947, and was repurchased by Moran Towing, becoming the Mary Moran. It ultimate fate is unknown. References- {{DANFS|https://www.history.navy.mil/research/histories/ship-histories/danfs/c/canonicus-iii.html}}
- {{cite web|url=http://www.navsource.org/archives/14/08187.htm|title=Canonicus (YTM-187)|publisher=NavSource Naval History|accessdate=2018-03-18}}
{{DEFAULTSORT:Canonicus (YT-187)}}{{US-mil-ship-stub}} 2 : Tugs of the United States Navy|World War II auxiliary ships of the United States |