Elizabeth Hutchence Married to Montgomery

Looking for Elizabeth - maybe Hutchence, ? Berwick ? with son John Montgomery b.1810 Nova Scotia to Elizabeth and ?? his father ? Montgomery British ? sailor serivng in Nova Scotia. They had son born U.K. John Hutchence Montgomery also of R.N. Thelma.
Elizabeth was 63 at census 1851 Lulworth, Dorset.
Many kind thanks..Thelma.