Ó Luingeáin
Ó LUINGEÁIN—I—O Lungane, O Liengan, Lingane, Linnane, Linane, Lenane, Lynane, (Leonard); an attenuated form of Ó Longáin, which see; now very often disguised under the anglicised form of Leonard, especially in Co. Limerick.
Alphabetical Index to Irish Surnames