After her parents’ death, she married Alexander Falconbridge, surgeon and slave ship surgeon turned abolitionist, on 16 October 1788 aged 19, in Easton in Gordano, against her family's and friends' wishes. After their marriage Anna Maria accompanied her husband to Sierra Leone twice.
After her parents' demise, she wed Alexander Falconbridge, a surgeon who had previously served as a slave ship surgeon before becoming an abolitionist, on October 16, 1788, at the age of 19 in Easton in Gordano, against her family and friends' wishes. After their marriage, Anna Maria accompanied her husband to Sierra Leone twice.