Natten
Natten—This name is one of the anglicised forms of O'Neachtain, the other forms being Norton and Nocton. The O'Neachtains occupied the district immediately West of Athlone. Neachtan is of Pictish origin.
Alphabetical Index of Anglicised Surnames in Ireland
See also Woulfe’s Irish Names and Surnames
… and O'Hart's Irish Pedigrees