P William Filby William P Filby Mary K Meyer

McNulty is an Irish surname. It is derived from the Gaelic Mac an Ultaigh meaning "son of the Ulsterman". Usually considered a branch of the Ulaid ruling dynasty of Mac Duinnshléibhe (MacDonlevy), a branch of Dál Fiatach, who fled Ulaid to Ailech after the former's conquest in 1177 by the Normans. DNA analysis points to descent from other Ulaid families as well. After the Battle of Kinsale in 1602, some McDonlevys and McNultys migrated to the province of Connacht where their name is now also com…