JOHN AHEARN married MARY LAHEY. Daughter ELIZABETH AHEARN born 7 March 1852. According to her 1900 US census return ELIZABETH AHEARN emigrated to US in 1859. She married THOMAS SIVERS and lived in Albany, New York cerca 1873-1908. I'm seeking info re JOHN AHEARN, MARY LAHEY, ELIZABETH AHEARN (and siblings?) in Tipperary (Town or County?) and in US.