It was three in a row for St Thomas' as they came from behind to beat Turloughmore on a 1-14 to 0-15 scoreline.
Captain Conor Cooney scored 1-06 for St Thomas', with all of the points coming from frees.
Blackrock beat Glen Rovers after extra-time in a stunning encounter that went all the way. The final scoreline saw them win by eight points, 4-26 to 4-18, but they only pulled away in the dying minutes.
Robbie Cotter scored two of the goals while Alan Connolly registered a stunning personal tally of 0-13.
Meanwhile, Dessie Conneely kicked 1-09 as Maigh Cuilinn won their first Galway SFC title.
In Derry, Slaughtneil beat Magherafelt in the county SFC final.
Sunday's GAA results
:
Starlights 1-11 Castletown 1-09
Adare 4-07 Ballylanders 0-04
Gaeil Colmcille 1-13 Ratoath 1-14
Mountbellew-Moylough 1-11 Moycullen 2-12
Rhode 1-09 Tullamore 1-07
Magherafelt 1-04 Slaughtneil 0-11
St Thomas 1-14 Turloughmore 0-15
Blackrock 4-26 Glen Rovers 4-18 AET
Longford Slashers 1-06 Wolfe Tones 3-10
Castletown-Geoghegan 2-16 Clonkill 3-16 AET