What are good sister names for Wiiliam?

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

Is it Wiiliam or Wiliam?

Both spellings are used. Wiiliam 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.

Wiiliam

Discover the meaning and origin of the name Wiiliam

Wiiliam

Boy

Unknown origin

2 syllables

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

Wiiliam is a boy's name meaning "Resolute protector". It has 2 syllables.

Origin: Unknown origin
Gender: Boy
Syllables: 2

Last updated 24 October 2026.

What does Wiiliam mean?

Resolute protector

How popular is Wiiliam?

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

Quick answers about Wiiliam

What does Wiiliam mean?

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

How popular is Wiiliam?

We have no birth-record ranking for Wiiliam: 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 Wiiliam

Kayleemarie Tanzy Kimmey Sarabi Guyanne Aiysha

How to say Wiiliam

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Name numerology

8is the Chaldean number for Wiiliam.

Number 8 is linked with ambition, strength and determination.

More names with number 8

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

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Other spellings of Wiiliam

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 Wiiliam with Wiliam

Wiiliam at a glance

Letters: 7
Syllables: 2
Starts with: W
Ends with: -am
Vowels: 4 of 7 letters

Which other names end in -am?

Liam William

7-letter boy names

Which names have a similar meaning to Wiiliam?

Wiiliam 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