Billy

#1,068 in 2025Boys' name

Will + helmet, through William

Billy has been given to 389,665 babies in the U.S. since 1880. In 2025 it ranked #1,068 of 13,926 boys’ names in use. Its peak year was 1934, with 9,562 recorded.

Babies named Billy, 2025

1 in 16,300

Billy over time, 1880–2025

BoysGirls
02.5K5K7.5K10K18801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Billy: meaning, origin, and history

Will + helmet, through William

English familiar form of Bill and William

Billy: a familiar William form with a musical history

Billy develops from Bill, a short form of William. It therefore shares William’s Germanic elements meaning “will” or “desire” and “helmet” or “protection.” English says BILL-ee, with the strongest stress on the first syllable.

The two-syllable form has a long life beyond childhood nicknames. Musicians, actors, and filmmakers have used Billy professionally, and American birth records show that it also became a widely chosen given name in its own right.

William, Bill, and Billy

William comes from the Germanic name Willahelm. Bill changes the initial consonant of the shorter Will, while Billy adds the familiar ee ending to Bill. The result sounds noticeably different from the longer William even though the historical connection remains direct.

Bill was not commonly written in that form before the nineteenth century. Billy belongs to the same developing group of familiar forms, alongside Willie and Willy. Billie is a related spelling, also used as a feminine form.

The American outlaw known as Billy the Kid is one older cultural bearer. Later associations range from filmmaker Billy Wilder to actor Billy Crystal and singer Billy Joel, showing how the familiar form became part of public adult identities across several fields.

Billy Joel, from piano bars to records

Billy Joel was born William Martin Joel in 1949. His name gives a clear example of Billy’s connection to William rather than merely an accidental resemblance between the two forms.

He began studying piano as a child and played in bands before his solo recording career. During a period in Los Angeles, he performed in piano bars as Bill Martin, using another familiar William form together with his middle name.

His album Piano Man was recorded in Los Angeles in 1973. Later records included Turnstiles and The Stranger, with his piano playing remaining central to music that moved between ballads and larger rock arrangements.

Ray Charles inducted Joel into the Rock & Roll Hall of Fame in 1999. The Library of Congress awarded him its Gershwin Prize for Popular Song in 2014, recognizing a songwriting career that had carried the name Billy far beyond its original role as a familiar shortening.

Pronunciation and nearby forms

BILL-ee has the short i heard in “sit,” followed by a clear ee ending. Bill keeps only the first syllable, while William has its own fuller rhythm. Will, Willie, and Willy retain the older w beginning.

Liam also belongs to the William family through Irish Uilliam, although its sound is much further from Billy. Billy and Billie are closer visual and spoken neighbors; both normally share the same English pronunciation.

Popularity in the United States

Billy reached its best American boys’ rank in 1931, at number nineteen. Its largest annual count followed in 1934, with 9,562 births.

It ranked 810th in 2015, 999th in 2020, and 1,068th in 2025. The recorded given name has become much less common than at its early-twentieth-century peak, while its familiar-form history continues alongside the full William.

Sources & methodologyReferences, data & attribution

Meaning and history 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 popular is Billy?

In 2025, Billy ranked #1,068 among boys in the United States, with 203 recorded uses. The U.S. birth records first list this spelling for boys in 1880; its largest annual count was 9,562 in 1934. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.

How common is Billy?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 16,300
203 of 3,315,165 births
Among boys only
1 in 8,410
0.01% of boys
Rank, 2025
#1,068
of 13,926 boys’ names in use
Coin-flip room size
11,321 kids
Even odds of a second one

Where Billy 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 2025 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 5003%

Put another way: gather 11,321 children born in 2025 and it's an even bet that one of them is another Billy. In a class of 30 the chance is Under 1%.

When Billys were born

Half of everyone ever recorded as Billy was born before 1948 — so the typical Billy is around 77 today.

Median birth year
1948
About 77 years old
Biggest decade
1930s
23.0% of all use
Born in the last 25 years
2.4%
Mostly a past generation
Recorded since 1950
182,576
People you could plausibly meet
Choose a decade

1930s — 23.0% of all recorded uses (88,341).

Is Billy 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
−17
Places dropped
Rank vs 5 years ago
−69
Places dropped
Rank vs 10 years ago
−258
Places dropped
Births vs 10 years ago
0.72×
Fewer babies than then
Share of its own peak
2.1%
Peak was 1934 (9,562)
Years since peak
91
Years
Year-to-year steadiness
Steady
6.6% average annual change
Best rank ever
#19
1931

Spellings of Billy

Billy is the most-used spelling, taking 44.2% of the 869,168 babies given a near-identical spelling.

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.

Where Billy is used

Across 2016–2025, Billy was most concentrated in Oklahoma — about 1 in 2,222 boys, against 1 in 7,463 across all states with data. It was least common in Utah (1 in 33,333).

345 per 100,000

Most concentrated

  1. 1Oklahoma1 in 2,222
  2. 2Arkansas1 in 2,500
  3. 3Mississippi1 in 2,500
  4. 4Kentucky1 in 2,703
  5. 5Alabama1 in 3,704
  6. 6Tennessee1 in 3,846
  7. 7Missouri1 in 4,762
  8. 8Georgia1 in 5,000

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Billy around the world

Where Billy 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.

  • England & Wales
    1996–2025
    #110
    in 2025
  • Scotland
    1974–2025
    #208
    in 2025
  • Northern Ireland
    1998–2025
    #212
    in 2025
  • Ireland
    1970–2025
    #39
    in 2025
  • France
    1939–2025
    #613
    in 2025
  • Canada
    1991–2024
    #428
    in 2024
  • South Australia
    1950–2013
    #134
    in 2013
  • New South Wales
    2021–2025
    #44
    in 2025

Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Canada, Consumer and Business Services (South Australia) and NSW Registry of Births, Deaths & Marriages. ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, CBS SA, NSW BDM data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Notable people named Billy

People whose public names include Billy, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Billy by the numbers

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

As a boy's name

Rank in 2025
#1,068
Trend vs 5 yrs ago
Down 69
Best rank ever
#19
1931
Peak year
1934
9,562 that year
First recorded
1880
Last recorded
2025
All-time count
384,233
Count in 2025
203

As a girl's name

Rank in 2025
#7,552
Trend vs 5 yrs ago
Up 6,182
Best rank ever
#526
1930
Peak year
1930
166 that year
First recorded
1899
Last recorded
2025
All-time count
5,432
Count in 2025
14

Names similar to Billy

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

Names with a curve like Billy

Not spelling — timing. These names rose, peaked and faded in the same years as Billy, so they read as being from the same moment even when they look nothing alike.

Sibling names for Billy

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 Billy