Here are some Kirwans I found in Griffith's Valuation that perhaps some you will find helpful: Name: Patrick Kirwan Parish: Dublin City Location: Inn Quay Ward Pill Lane Name: Patrick Kirwan Parish: Holmpatrick Location: Skerries Balbriggan St Name: Patrick Kirwan Parish: Howth Location: Howth Name: Patrick Kirwan Parish: Saggart Location: Fotunestown Lee Gray