Re: McEvoy/McAvoy Family History

i have a michael GALLAGHER b.ireland about 1812 m. cecilia MCELVOY b.ireland about 1821.they had seven children;felix b. ireland c.1841,john b. ireland c.1843,mary b. ireland c.1847,catherine b.brooklyn n.y. july 1849,sarah b.b'klyn c.1851,ellen b. b'klyn c.1855 and charles b. b'klyn c.1857.celia died 1886 in b'klyn.could she be a mcevoy.