He was born near
Louisa Court House, Virginia in 1788. His father
Thomas Overton moved the family to
North Carolina when Walter was an infant, and then moved to
Tennessee in 1801. Overton attended the common schools. and transferred to the Artillery Corps in May 1815 before resigning his commission on October 31, 1815. Later, he was commissioned a
major general of
militia by the Louisiana Legislature. Overton settled near
Alexandria, Louisiana in Rapides Parish and served as a member of courthouse building commission in 1820 and 1821, a member of the Commission on Navigation of Bayou Rapides in 1824. == Political career ==