This is a list of surnames in which the categories include blue.
in German, most likely used to refer to a person who wore blue clothes.
From a nickname for a person with blue eyes or blue clothing.
GORMAN (2) Irish
From the Irish Ó Gormáin
meaning "descendant of Gormán"
. The given name Gormán
means "little blue one".
Anglicized form of German Grünspan
. Verdigris is the green-blue substance that forms on copper.