Piret, Pirgit, Pireta, Pirje, Pirja, Birgit, Birgith, Birgita, Brigit, Birgitt, Birgitta, Brigitta, Brigite, Brigitte, Brigitt, Brigita, Berit, Brigitha, Birgitta, Birgot, Birje, Brit, Britt, Bret, Brett, Brite, Britte, Britten, Brith, Britha, Brita, Britta, Brittany, Gita, Prita, Grita