I have a Timothy Andrew Canty, born Rosscarberry, Cork, in 1811. Married to Margaret K. Whelton, daughter of David Whelton and Julia Sullivan. She was born about 1815 in Rosscarberry and died 5 Nov. 1893 in Reading, Middlesex County, Mass. Their children were: Daniel born abt 1850; John D., born abt 1853; Mary A., born abt. 1854, Cornelius, my grandfather, born 1857, and ANDREW STEPHEN CANTY, born abt 1859. 1900 Census states he immigrated to USA in 1840 and had lived in the USA for 60 years and was a naturalized citizen.
Do you think this could be the family you are searching?