The name Arseneau is derived from the town of Ars-En-Ré in La Rochelle, France. The first 'Arseneau' to arrive in North America brought the name of his hometown as his surname! Other endings of the name Arseneau include -ault, -eault, -aux, -eaux, etc. The 's' in Arseneau can also be replaced with a c or ç, like seen in Arceneaux.