Mary was born in Skidmarine / Scribbing / Macroom (?).
I believe she had a sister named Ellen.
She emigrated to the US circa 1880 where she worked as a 'Domestic' untils she married Dennis Regan (who also emigrated from County Cork) on 5 Feb. 1888 in Boston, MA, USA.
She died on 10 Aug. 1937 in Boston, MA, USA