Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
AGUILLON
As described in historical dictionaries
Patronymica Britannica (1860)
AGUILLON. Banks says that Manser de Aguillon, the first of this family mentioned, lived temp. Richard I. They were a Norman race, and as the name is frequently spelt Aquilon it is probably a mere variation of Aquila, q.v.