Uilliam

Q: What is the origin of Uilliam?

Uilliam is of Irish origin. The name carries significant cultural meaning and has been used across generations within its origin tradition.

Q: Is Uilliam a boy name?

Uilliam is traditionally a boy name. Modern naming practices are increasingly flexible, and names can be used across genders based on personal choice and cultural context.

male

Updated 6 months ago

Meaning

"Resolute Protector"

Irish Gaelic spelling of William, ultimately from Germanic roots meaning will and helmet, conventionally glossed as resolute protector.

Themes:gaelicvariantprotectorclassic

Unique Rare

Fact-checked by Lily Anderson

M.F.A. Creative Writing, Sarah LawrencePublished NovelistName Collection Curator • Creative Names Editor

This name has been verified against authoritative sources including SSA data, etymology databases, and cultural naming traditions.

Popularity History of Uilliam

Full SSA rank history from 1880 to 2024

#14055Ranked nationally

SSA did not record this spelling in the national rankings for the available chart years. Names used fewer than 5 times in a year are omitted from the dataset.

Yearly Ranking Snapshot

Pick any SSA release year to inspect that year's national ranking and how it changed from the year before.

Year

Selected Year Rank

Unranked

Uilliam did not appear in the national SSA rankings for 2024.

Change Vs Previous Year

no national rank in 2024

Data Source

Popularity rankings are based on official data from the Social Security Administration (SSA), which tracks baby name applications in the United States.

Last updated: 2024 • Data source updated annually

Uilliam Nicknames

Familiar short forms, playful variations, and easy everyday options for Uilliam.

10 ideas

Uilie

Nickname

Uill

Nickname

uily

Nickname

uill

Nickname

liam

Nickname

iamy

Nickname

uuie

Nickname

lliy

Nickname

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Baby Name Lists That Include Uilliam

Browse every Namylab list page that currently includes Uilliam, from meaning and origin collections to letter, syllable, and themed baby name lists.

14 linked lists

❓ Frequently Asked Questions

What does the name Uilliam mean?

Uilliam means "Resolute Protector". Irish Gaelic spelling of William, ultimately from Germanic roots meaning will and helmet, conventionally glossed as reso

What is the origin of Uilliam?

Uilliam is of Irish origin. The name has been used historically across cultures and carries significant cultural meaning within its origin tradition.

How popular is the name Uilliam?

According to the latest SSA data, Uilliam is currently ranked #14055 in the United States. The name has shown interesting trends over the past century, with popularity varying based on cultural preferences and naming trends.

Is Uilliam a boy name?

Uilliam is traditionally a boy name. However, modern naming practices are increasingly flexible, and names can be used across genders based on personal preference.

What are good nicknames for Uilliam?

Popular nicknames for Uilliam include Uilie, Uill, uily, uill, and more. These offer shorter, more casual alternatives for everyday use.

What names are similar to Uilliam?

There are many names similar to Uilliam in meaning, origin, or sound. Explore the Similar Names section to discover alternatives that may resonate with you.

Quick Facts

OriginIrish, Germanic

Syllables2

Length7 letters

US Rank#14055

Trend→ Stable

Starts withU

Sibling Ideas

Brothers

Aedan Aven Adian Aeden Ayven

Sisters

Ashlynn Arline Arleen Allene Alannah

Explore More Boy Names Like Uilliam

Uilliam has Irish roots, making it a wonderful choice if you love names from this heritage. Discover more options in our Irish baby names collection, where you'll find hundreds of names with similar cultural depth.

Uilliam appears in several of our curated collections. Check out Beautiful Irish Baby Names and Unique Baby Names for more names with a similar feel. You might also enjoy browsing Names That Mean Child Of God for Boys and Girls and Names That Mean Miracle And Blessing for Boys and Girls.

Before you decide, try our Full Name Preview to see how Uilliam pairs with your surname. The Sibling Name Matcher can help find names that complement Uilliam beautifully, and the Nickname Predictor reveals the most common short forms.

Explore our full baby name lists for origin-based, meaning-based, and themed collections, or head back to the baby name generator to continue your search.