For background on how the map was made (and its flaws), see the relevant blog entry.
Ó Treodáin | Troddyn: annamh: an Dún & rl. Sloinne de chuid Oirghialla. |
Trodden | rare: Down etc. Ir. Ó Treodáin, a name of Oriel (Louth etc.). SGG. |
DEDs where Trodden and a second surname are found together
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