On September 9, 1775, the Provincial Congress officially authorized thirty-five (35) existing county Militias to be organized. All officers were appointed and commissioned by the Provincial Congress. The Tryon County Regiment had already mustered the month before.

On February 8, 1779, the Tryon County Regiment was abolished, and the existing units were placed into the newly-created Lincoln County Regiment and Rutherford County Regiment, with new field officers over each of the two new regiments. Therefore, the Tryon County Regiment of Militia ceased to exist.

Interestingly, Loyalists in the area refused to acknowledge the abolishment of Tryon County. Their fighting men considered themselves to continue in the Tryon County Loyalist Militia long afterwards.

Although many men were already on their way to South Carolina in the Purrysburg Expedition as their regiment changed names. Many men claimed they were still in the Tryon County Regiment during the battle of Briar Creek, GA - but, this Author has chosen to ignore those and assign the corrected names - Lincoln County Regiment or Rutherford County Regiment.

Units of the Tryon County Regiment are known to have participated in the following known battles/skirmishes: