For background on how the map was made (and its flaws), see the relevant blog entry.
|Doolan||numerous: all areas, but mainly South East. It stands for two Irish names: (1) Ó Dubhlainn (Galway), (2) Ó Dúnlaing, Ó Dubhlaing (Laois), the latter also appears as Dowling. Dúnlang was an early first name. GPN & IF.|
|Doolin||Quite numerous: Dublin. See Doolan.|
|Dooling||rare: Midlands. See Doolan.|
|Dowling||numerous: E Leinster & general. Ir. Ó Dúnlaing, one of the "seven septs of Laois". See also Doolan. Dúnlang was an early first name in Leinster. IF & SGG.|
|Ó Dubhláin||Doolan: féach Ó Dubhlainn & Ó Dúnlaing. SGG.|
|O Dubhlainn||Doolan: líonmhar sa tír ach bhain an chlann sa le Uí Maine (Gaillimh). SI.|
|O'Dowling||rare: Cork. Ir. Ó Dúnlaing. One of the "Seven Septs of Laois". As Dowling they are well represented in E Leinster and generally. IF.|