Meaning and Name Origin
Arnot \a-rnot, ar-not\ as a boys' name is of Old French, English and Old German derivation, and the name Arnot means "little eagle; eagle ruler". Arnot is a variation of Arnett (Old French, English): broadcaster Peter Arnett. Arnot is also a variant of Arnold (Old French, Old German): from the phrase "arn wald".
Arnot is an unusual given name for men but a very prominent surname for both adults and children (#21085 out of 88799, Top 24%). (2000 U.S. Census)
Displayed below is an analysis of the popularity of the boy name Arnot and affiliated names. Prominent alternative forms of Arnot (#unlisted) appearing in the Top 1000 are Arnoldo, Arnold, Arno, Arne and Arnaldo. These boy names were at the apex of their popularity during the years 1900-1909 and have become much less popular since, with the versions Arnold, Arne and Arnaldo becoming less fashionable. (2014 Birth Statistics)