Re: What does 'Leighton' mean?
Actually, the "Leigh" in "Leighton" has more to do with leeks than with leas (fields).
Two separate, authoritative reference sources on surnames (Elsdon C. Smith and Hanks & Hodges) both agree that the "Leigh" in this case comes from the the Old English word "leac" (meaning "a leek" -- the edible herb), and that the "ton" comes from the Old English word "tun" (meaning "a settlement; town").
So, "Leighton" means "He who comes from the town where they grow leeks".
-- Nanaea