For background on how the map was made (and its flaws), see the relevant blog entry.
| Mac Neighill | Neilson: líon beag: an Mhí-Cabhán-Lú. Comh-shloinne le Mac Néill ach go bhfuil nasc Lochannach ann. Tá Njall (Lochlannach) comhchiallmhar le Niall. |
| Neilson | Quite numerous: Meath-Cavan-Louth etc. Ir. Mac Neighill. Derived from Norse first name Njall which is from Irish Niall. Popular English first name Nigel is cognate. So this name is basically the same as Neill & Mac Neill, q.v. |
| Nelson | Very numerous: Ulster, especially N Down. Ir. Mac Neighill. The well-known English name is present here; ironically, it derives ultimately from Irish Niall which is discussed under Neal and Neilson. DBS & DOS. |
DEDs where Neilson and a second surname are found together
This list shows total 1901 Neilson households by county.
Click on the county to see detail.
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