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First name origin & meaning:

German: Eagle and powerful

First name variations: Arnault, Arnie, Arnald, Arno, Arne, Arnell, Arnel, Arness, Arnot, Arnaldo, Arnoll, Arndt, Arnulfo, Arnold

Last name origins & meanings:

  1. French: from the medieval personal name Arnaldus (see Arnold).
  2. The birth of an Arnaud or Renaud is recorded in Quebec city in 1637, and an Arnaud from Poitou is documented there in 1668.