Zacariah Matlock was born in about 1754. He is first recorded in Tennnessee:
- 1794 27 May This was before Tennessee became a state.
- Sullivan, Territory South of the River Ohio
- Indenture 27 May 1794 between Moore Matlock of Sullivan Co, in the Territory of the United States of America South of the River Ohio and Zachariah Matlock of Washington Co in the Territory aforesaid. Sig: Moore Matlock (seal) Wit: Jason Matlock, Moore Matlock