Other Forms of the Name with authority source (if provided) in italics:
Killian (Barony)
Killian (Barony) B. S.
Killian (Barony) County Map
Killyan (Half Barony) Printed Townland List
Information From Joyce's Place Names
Translation according to P. W. Joyce:
Kill alone is the name of more than a score of places in various counties: in most cases it stands for cill, a church: but in some it is for coill, a wood.