Birth Name: John M. Slattery, Jr.
Place of Birth: Boston, Massachusetts
Date of Birth: August 13, 1962
Ethnicity: 100% Irish
John Slattery is an American actor. He is of entirely Irish descent.
John’s paternal grandparents were Robert Basil Slattery (the son of John T. Slattery and Ellen L. Slavin) and Lee K. Lane (the daughter of Michael Lane and Ann Kiernan). John was Irish. Ellen was born in Massachusetts, to Irish parents. Michael was born in Ireland. Ann was born in Massachusetts, to Irish parents.
John’s maternal grandparents were Joseph John Mulhern (the son of Cornelius P. Mulhern and Mary M. Earle) and Gertrude D. McNulty (the daughter of Bernard McNulty and Ellen A. Ryan). Mary was born in Massachusetts, to Irish parents. Bernard was born in Rhode Island, to Irish parents. Ellen was an Irish immigrant.
Sources: John’s paternal grandfather, Robert Basil Slattey, on the 1910 U.S. Census – https://familysearch.org
John’s paternal great-grandparents, Michael Lane and Ann Kiernan, on the 1900 U.S. Census – https://familysearch.org
Genealogy of John’s mother – http://worldconnect.rootsweb.ancestry.com
John’s maternal grandfather, Joseph John Mulhern, on the 1910 U.S. Census – https://familysearch.org
John’s maternal grandmother, Gertrude D. McNulty, on the 1910 U.S. Census – https://familysearch.org
Photo by PrPhotos