Aldrich \a-ldri-ch, al(d)-rich\ as a boy's name is pronounced ALL-dreech. It is of Old English origin, and the meaning of Aldrich is "old". Saint Aldric (ninth century) was a bishop of Le Mans, France. A name that has some prominence in America as a family related to the Rockefellers.
Aldrich has 22 variant forms: Al, Aldric, Aldridge, Aldrige, Aldrin, Aldritch, Alldrich, Alldridge, Allric, Alrick, Audric, Eldrich, Eldridge, Eldritch, Elldrich, Rich, Richie, Richy, Ritch, Ritchey, Ritchie and Ritchy.