The surname dictionary used by Irish Ancestors is Sloinnte na hÉireann-Irish Surnames Le/ By Seán de Bhulbh, Comharchumann Íde Naofa, 1997. (ISBN 0 9530560 1 5 (Crua/Hardback) £30, ISBN 0 95305670 0 7 (Bog/Paperback) £12).

Is gaol leis an Athair Pádraig de Bhulbh, údar an leabhair cháiliúil Sloinnte Gaedheal is Gall (1923), é údar an tsuirbhé chuimsithigh seo ar na sloinnte sa tír. Tugtar minicíocht, bunús agus sinsearacht na sloinnte anseo, mar aon le léarscáileanna mínithe.

A comprehensive bilingual survey of surnames in Ireland, including frequency, distribution, origins and meanings, based on the number of entries for each surname in Irish telephone directories of the 1980s. Written and published with the aim of promoting the Irish language by Seán de Bhulbh, a relation of Father Patrick Woulfe, author of the seminal Sloinnte Gaedheal is Gall (1923).