Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
LATTER
As described in historical dictionaries
Patronymica Britannica (1860)
LATTER. A lat in many dialects signifies a lath, from the A- Sax. latta, asseres; and hence it has been conjectured that a Latter means a lath-cleaver or splitter.