Etymology
A patronymic surname from the Anglo-Norman given name Hamo, Hamon, from Germanic names beginning with a derivative of Proto-Germanic *haimaz (“home”), such as descendants of *Haimarīks (“Henry”).
The river in New Brunswick is named after British politician and colonial governor Sir Andrew Hamond, 1st Baronet (1738 - 1828). The civil parish is named after a settlement, named in turn after the river.