Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
LANDOR
As described in historical dictionaries
Patronymica Britannica (1860)
LANDOR. The family of the poet, whose ancestors wrote them.selvcs Lauude and Launder, claim to derive from the ancient family of De la Launde. The suppression of the preiix and the addition of the final E, has many analogies. See termination ER.