Look Out, Addison! Theres A New, Slightly Cooler Kid In Town With An Oh-so-trendy "y" In Their Name. Meet Addisyn, An Americanized Respelling Of The Names Addyson And Adamson. This Girls Name Has Roots In Old Scottish And Northern Middle English. Addisyns More Modern "-syn" Suffix Replaces "-son," Which Gives It The Meaning "son Of Adam" Or "child Of Addie." The Most Famous Person To Share This Name Is The Wildly Talented Kansas-born Soccer Player Addisyn Merrick. Perhaps Your Little Star Will Have A Sporty Side And Aspire To Bend It Like Beckham!