There is a discrepancy of four years between the baptismal record of Anna's birth and the calculation of her birthday from her age at time of death. Possibly the gravestone has been misread, or the calculation was just faulty.
Anna Oliver |
Baptized on 20 Mar 1796, Antje, born 23 Feb 1796, daughter of John Oliver and Antje Redly. No sponsors named./ online database
John Oliver (Rev. War), d. Sept 11, 1838, age 81 y, 3m, 6d.; his wife Anna Radliffe, d. Feb 22, 1836, age 70y 5m, 22d.
Anna, dau. of John and Anna Oliver, d. Jan 1, 1815, age 22y 3m 11d.