In the mid 19th century the Reverend Edward Thomas Herbert held an estate in the parish of Kilnamanagh, barony of Bear, count Cork. He was a great grandson of Edward Herbert of Muckross, county Kerry. His son Gustavus Herbert of London, owned 1,695 acres in county Cork in the 1870s.
National Archives of Ireland:
Baker, Ringwood & Gordon, solicitors' collection, includes documents re Herberts of Kilnamanagh, Co Cork, & Herbert of Altavilla, Co Cork & deed re parts of the Berehaven & Crosshaven estates in case Herbert V Lord Berehaven & others, 1847, 19th century. Small Accs. Index 105, T.11812, D.21,034-21,037, M.3876