I have a Peter Cosgrave b. abt. Dec 12, 1839 in Athboy, Co., Meath, Ire. He had an older brother named Patrick James b. abt. 3 Sep 1837.Other siblings were Nicholas b. 1836; James b. 1845 and Margaret b. 1847.Their parents were James Cosgra(o)ve and Margaret Wren.Do you think these are your family?