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Willum

Boys' name

English equivalent of William

Willum has been given to 5 babies in the U.S. since 1933. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1933, with 5 recorded.

Babies named Willum, 1933

1 in 400,000

Willum over time, 1880–2025

Boys
024618801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Willum: meaning, origin, and history

English equivalent of William

Deeper origin not confirmed in the cited records

What Willum means

Willum is a English equivalent of William.

Origin, language, and formation

Willum is used in Icelandic and Scots.

Related names and everyday forms

Related names include William.

Pronunciation and spelling

In Scots, Willum is pronounced [ˈwɪləm].

American usage and historical context

In the United States, 5 boys were recorded with the name Willum between 1933 and 1933. Its highest annual count was 5 in 1933; its best national rank was #4,140 in 1933.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Willum?

Willum had fewer than 5 recorded uses in 2025, so these figures use 1933, the last year it was published.

Among all babies, 1933
1 in 400,000
5 of 1,999,415 births
Among boys only
1 in 198,000
<0.01% of boys
Rank, 1933
Unranked
Fewer than 5 uses
Coin-flip room size
277,179 kids
Even odds of a second one

Where Willum sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 1933 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 277,179 children born in 1933 and it's an even bet that one of them is another Willum. In a class of 30 the chance is Under 1%.

When Willums were born

Half of everyone ever recorded as Willum was born before 1933 — so the typical Willum is around 92 today.

Median birth year
1933
About 92 years old
Biggest decade
1930s
100.0% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
0
People you could plausibly meet
Choose a decade

1930s — 100.0% of all recorded uses (5).

Is Willum rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 1933 (5)
Years since peak
92
Years
Year-to-year steadiness
Not enough data
Too few years
Best rank ever
#4,140
1933

Spellings of Willum

Willum is not the most common spelling — William is, with 86.9% against Willum's <0.01%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Willum around the world

Where Willum ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • Scotland
    2022–2022
    #703
    in 2022

Popularity data from National Records of Scotland. NRS data under Open Government Licence v3.0.

Willum by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#4,140
1933
Peak year
1933
5 that year
First recorded
1933
Last recorded
1933
All-time count
5
Count in 2025
Under 5

Names similar to Willum

Matched on shared beginnings and endings, similar length, and comparable popularity.

WillasWillerWilroyWilmorWilseyWilkerWilmurWillesWilhemWilmethWilceWilliemWildredWilliawWilemWilcoWilesWildanWilksWiljoWilliaaWilardWiltzWilby

Sibling names for Willum

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Willum

Top names of 1933, Willum's peak yearThe 1930s in fullOther names that peaked in 1933Boys' names starting with W