More: 20 Baby Names With Even Better Nicknames Jennifer Moss, Founder and CEO of Babynames.com recommends that you give your “child a choice by using a formal name on the birth certificate and using the nickname in their early years.” She goes on to tell us that “the name William has never really gone out of style, remaining one of the most popular given names for boys in the last 100 years.” William means “With gilded helmet,” a reference to a warrior, a strong name for a boy. Below you will find 25 creative nicknames for William should you decide to choose one for him, or help him decide as he grows into his identity. Looking for more baby names and inspiration? Check out our Baby Name Center. Considering one of these names? Pin it to save it for later: