sgerardi on Family Tree Circles

Looking for ancestors of Lawrence McGinn, born about 1824, presumably in Ireland. I do not know where. He died in Watertown, NY, USA, on 12/27/1898.

Looking for information relating to Lawrence McGinn, born 1824, I presume in Ireland. Lived in Watertown, N.Y.
His son was Lawrence, Jr. His grandson, my grandfather, was also Lawrence.
Trying to find when he arrived in U.S. and where in Ireland he originally came from.