Family History and Genealogy Resources by Surname
Neil Surname Origin
In the Cornish British signifies power, might, that is, the powerful or mighty. Neul or Nial, in the Gaelic, signifies a cloud or hue; figuratively, a dark complexion.
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
Neil Surname Meaning and Family Facts
There is more to Neil family history than the origin of your surname:
A Neil Family History Thought:
'If you would not be forgotten,
As soon as you are dead and rotten,
Either write things worthy of reading,
Or do things worthy of writing.' --Benjamin Franklin, May 1738