Ó Lideadha
Ó LIDEADHA—I—O Lyddie, O Lyddy, O Leddy, Liddy, Leddy; 'descendant of Lideadh'; the name of a Dalcassian family, formerly seated in the east of Co. Clare. A branch of this family has been long settled in Co. Antrim.
Alphabetical Index to Irish Surnames