Kirkland was accepted by CDSNA as a sept in July 1985. Kirkland is also a sept of Clan Maxwell.
Kirkland is a surname with the simple meaning of “land belonging to the Kirk (Church)”. There are many places of this name in Dumfries, Ayr, Lanark, Stirling, etc., from which the surname may have been derived
Some authorities consider Kirtland, which is also a sept of Maxwell, to be a variant of Kirkland but this claim needs to be substantiated.
Without more documentation the relationship between Kirkland and Douglas remains uncertain. More research into this surname is recommended.