The Todenham records are on Ancestry, I have had a look from 1786 to 1792, no Mary Ann or any Ingram there. The nearest of two Mary’s in the County below.
Mary Ingram Baptism 26 Jun 1789 Snowshill, Glos Wm,Elizth
I also checked the parish records in Warwickshire no Mary or Mary Ann, and no father Joseph.
Below is the nearest to Todenham.
Mary Ingram Baptism 29 Apr 1791 Chipping Norton with Over Norton, Oxon Richard
Colin