Prehistoric cultural affiliation(s) include Middle Woodland and Late Woodland dating back to 499 BC.
The famous person Dr. Richard Ward is associated with one of more of the Onslow County historic places.
Some of the country's most noteable architects helped create the Onslow County places including Robert Lee Smith, Crumpler Brothers, Henry E. Bonitz, Amos Futral, Benjamin Findeisen, Joseph Coston, William Edward Mattocks, Leslie N. Boney and David Futral. Prominent architectural styles found in Onslow Country are Greek Revival, Bungalow/Craftsman and Colonial Revival.