The Onslow County Regiment was subordinate to the Wilmington District Brigade. It was established on September 9, 1775. The first commander of the regiment was Colonel William Cray. Regiments of the Wilmington District Brigade were involved in 49 known engagements (battles, sieges, and skirmishes), including one in Georgia, 9 in South Carolina, 39 in North Carolina. The 1st and 2nd Battalion of Militia did not see any action. One or more companies of these regiments were involved in each engagement.