From Longman Dictionary of Contemporary Englishmammymam‧my /ˈmæmi/ noun (plural mammies) [countable] SSFMOTHERmother – used especially in Ireland
Examples from the Corpus
mammy• He would get himself a job, and he would be the man his mammy had always hoped he would be.• But me mammy talked this way and I've kept it on.• Back home, a traveller is always taken in, or so me mammy used to say.• Me own mammy passed away with the consumption, then Oonagh disappeared.• Find out from your mammy, then come to me.• Your mammy here had to go in there in the morning and speak nice to him.Origin mammy (1500-1600) mama 