Theresa Breen (Halifax, NS) won 7-6 over Jo-Ann Rizzo (Mississauga, ON) in the Bronze Medal game at the 2023 Everest Canadian Senior Women's Curling Championship in Yarmouth, Nova Scotia, Canada. of the 2023 Everest Canadian Senior Women's Curling Championship in Yarmouth, Nova Scotia, Canada; Theresa Breen (Halifax, NS) won 7-6 over Jo-Ann Rizzo (Mississauga, ON) in the Bronze Medal game at the 2023 Everest Canadian Senior Women's Curling Championship in Yarmouth, Nova Scotia, Canada. Breen lost 7-4 to Sherry Anderson (Saskatoon, SK) in the semifinals to drop into the third place game.
 
Breen finished 9-1 in the 0-team qualifying round. . In their opening game, Breen defeated Laura Eby (Whitehorse, YK) 8-3, then won 10-3 against Shelly Bradley (Cornwall, PEI) and 6-5 against Chantal Osborne (Thurso, QC). Breen won 6-3 against Terry Ursel (Neepawa, MB). Breen went on to lose 8-6 against Sandy Comeau (Moncton, NB). Breen responded with a 7-6 win over Rizzo. Breen won 9-5 against LeAnne Andrews (Langley, BC), then won 7-2 against Diane Foster (Calgary, AB) and 6-1 against Laura Phillips (St. John's, NL). Breen won 9-7 against Anderson in their final qualifying round match.
 
. For week of the event schedule, Breen did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Breen ranks th overall on the Year-to-Date rankings with points earned so far this season.