Dermot Anthony O'Reilly (1942 – 17 February 2007) was an Irish-born Canadian musician, producer and songwriter.

[1] In March 1968, O'Reilly emigrated to Toronto where he met future bandmates Fergus O'Byrne and Denis Ryan.

Ryan's Fancy became a popular Irish group that released 12 albums and hosted a successful television program for several seasons.

[citation needed] In 2004, Ryan's Fancy was honored with a Lifetime Achievement Award by the East Coast Music Association.

[citation needed] O'Reilly died of a heart attack, aged 64, in St. John's and is survived by his wife, Ann, and their three daughters.