WILLIAM Name Meaning
WILLIAM is the name which is primarily used by parents to name their baby girls. The name WILLIAM means DETERMINED GUARDIAN, and belongs to ENGLISH origin. Depending on different languages or countries, the name WILLIAM can sometimes be part of other origins as well. Furthermore, the meaning of the name WILLIAM may vary depending on the different origins or languages or countries. That said, we always suggest you double check the meaning of the name WILLIAM from other sources as well before naming your baby.