MacArthur, Newlon, Scratch and related descendants as compiled by Earle Thomas MacArthur.

Ancestry of General Douglas MacArthur as prepared by Rhonda R McClure.

Disscussion board for those researching the name and its application.

Ancestral heritage of Don McArthur including surname study. Global database attempts to unite the various branches of the clan.

Ancestral database as maintained by Flora Woensdregt.