Mona McSharry claimed her third medal at the European Aquatics Championships in Paris after she secured bronze in the women's 50m breaststroke final.
The Olympic bronze medallist finished third in a new Irish record time of 29.95 seconds, behind winner Ruta Meilutyte of Lithuania and Italy's Benedetta Pilato, who finished second, to take Ireland's medal count to five.
McSharry had already won silver in the 100m breaststroke and bronze in the 200m.
Ireland's Ellen Walshe missed out on a medal in the women's 200m butterfly after finishing fourth in 2:07.40 with Great Britain's Keanna MacInnes winning gold in the tight race.
Walshe had hoped to add another medal to her collection after winning gold in the 200m and 400m individual medley competitions.
Both Walshe and McSharry were involved in the women's medley relay team who finished sixth in an Irish record time of 3:57.26.
Great Britian won the relay in 3:53.50 with Italy finishing second and Neutral Athletes B completing the podium.
Also on Sunday, Tom Fannon finished sixth in 21.59 in the men's 50m freestyle final.