from my cemetery records of Portlaoise RC cemetery (now called St Peter & Pauls) 1897-1922, the below Breen's are recorded.
(73)
Margaret Breen; 80, OAP, carpenters wife, widow, Main st, 2/2/1900
(plot 7-5/4/east)
(696)
James Breen; 24, soldier, single, London Hosp. 10/8/1915
(plot 3b-255/256east) was Well rd & India.
(249)
Fintan Breen; 64, baker, married, main st, 8/11/1916
(plot 15-21/22east)
(865)
Breen male child; 1 day, (ftr. William) barber, Main st, 10/4/1919
(plot-3b-12/46/east)
(926)
James Breen; 70, labourer, married, New rd, 6/1/1920
(plot 3b-255/256east) (Interred with 696)
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Jack