Hi Cinders,
Find My Past has this baptism at Silverton; John son of William & Thomazin Ponsford 1757 February 9th, & this marriage at Huxham; John Manley & Mary Ponsford 1813 December 10th, by banns, both of Huxham, both signed (Mary as Mary Manley), witnesses John Ponsford & James Steer.
Possible baptisms for Mary;
At Tiverton - Mary dau of Absolom Pounsford & Jane, 1787 June 13th, born 1784 June 14.
At Bickleigh - Marydau John & Elizabeth Pounsford of Priors Qurtr, 1784 July 8.