What are good sister names for Williiam?

Names from the same unknown tradition pair naturally with Williiam — for example Kayleemarie, Tanzy, Kimmey. You can browse more on our unknown names page.

Is it Williiam or Wiliam?

Both spellings are used. Williiam means "Resolute protector"; Wiliam is listed with the meaning "Resolute protector or strong-willed guardian". Families often choose the spelling that matches how the name is written in their language, or the one that is easiest to pronounce where they live.

Williiam

Discover the meaning and origin of the name Williiam

Williiam

Boy

Unknown origin

2 syllables

Williiam is an Unknown origin boy's name meaning "Resolute protector".

Williiam is a boy's name meaning "Resolute protector". At 8 letters it is a longer name, which leaves room for a nickname. It has 2 syllables.

Origin: Unknown origin
Gender: Boy
Syllables: 2

Last updated 24 October 2026.

What does Williiam mean?

Resolute protector

How popular is Williiam?

No birth-record data (source: not in US birth records; popularity in India is not tracked)

Quick answers about Williiam

What does Williiam mean?

Williiam is a boy name of Unknown origin origin meaning "Resolute protector".

How popular is Williiam?

We have no birth-record ranking for Williiam: it is not in US records, and India publishes no national name rankings. The meter above fills in as parents here view, search for and save the name.

Sister names that go with Williiam

Kayleemarie Tanzy Kimmey Sarabi Guyanne Aiysha

How to say Williiam

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Name numerology

2is the Chaldean number for Williiam.

Number 2 is linked with harmony, kindness and cooperation.

More names with number 2

Numerology is a cultural tradition for fun, not a prediction.

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Other spellings of Williiam

Parents also search for these spellings. Each has its own page with its meaning and origin.

Wiliam — "Resolute protector or strong-willed guardian" (Slavic)

Compare Williiam with Wiliam

Williiam at a glance

Letters: 8
Syllables: 2
Starts with: W
Ends with: -am
Vowels: 4 of 8 letters

Which other names end in -am?

Liam William

8-letter boy names

Which names have a similar meaning to Williiam?

Williiam means "Resolute protector" — these names share that spirit.

Liam — "Liam is the Irish short form of William, from Germanic words meaning 'will' and 'helmet', so 'resolute protector'." (Irish)
William — "William comes from the Germanic Willahelm, from wil 'will, desire' and helm 'helmet, protection', so 'resolute protector'." (German)

More names by meaning: Boy Names That Mean Protector & Guardian