Wiliam
BoyWelsh
Wiliam is a boy name of Welsh origin meaning "resolute protector".
About this name
Gender
Boy
Language
Welsh
Religion
Christian
Popularity
1 / 100
Syllables
2
Length
6 letters
Meaning
resolute protector
Etymology
Derived from Old Welsh 'Wilim', variant of 'Gwilym', from Latin 'Guilielmus', meaning 'resolute protector', composed of 'wil' (will) and 'helm' (helmet)
Frequently Asked Questions About Wiliam
What does the name Wiliam mean?
Wiliam means "resolute protector", and is of Welsh origin.
What is the origin of the name Wiliam?
Wiliam originates from Welsh, commonly used in Europe.
Is Wiliam a boy or girl name?
Wiliam is typically used as a boy name.
What religion is the name Wiliam associated with?
Wiliam is associated with Christian.
Last updated: June 2026
