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Jolyon

Boys' name

Literal meaning not recorded; Latin origin

Jolyon has been given to 31 babies in the U.S. since 1970. 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 1970, with 9 recorded.

Babies named Jolyon, 2014

1 in 741,000

Jolyon over time, 1880–2025

Boys
02.557.51018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Jolyon: meaning, origin, and history

Literal meaning not recorded; Latin origin

Latin

What Jolyon means

Jolyon is a given name.

Dictionary etymologyReferences, data & attribution

Medieval spelling of Julian, revived by Galsworthy in Forsyte Saga.

Excerpt from Wiktionary: Jolyon (English) · CC BY-SA 4.0

Wiktionary material is available under CC BY-SA 4.0.

Origin, language, and formation

Jolyon is used in English. Its origins include Latin.

American usage and historical context

In the United States, 31 boys were recorded with the name Jolyon between 1970 and 2014. Its highest annual count was 9 in 1970; its best national rank was #3,395 in 1970.

How common is Jolyon?

Jolyon had fewer than 5 recorded uses in 2025, so these figures use 2014, the last year it was published.

Among all babies, 2014
1 in 741,000
5 of 3,706,812 births
Among boys only
1 in 384,000
<0.01% of boys
Rank, 2014
Unranked
Fewer than 5 uses
Coin-flip room size
513,874 kids
Even odds of a second one

Where Jolyon 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 2014 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 513,874 children born in 2014 and it's an even bet that one of them is another Jolyon. In a class of 30 the chance is Under 1%.

When Jolyons were born

Half of everyone ever recorded as Jolyon was born before 1973 — so the typical Jolyon is around 52 today.

Median birth year
1973
About 52 years old
Biggest decade
1970s
61.3% of all use
Born in the last 25 years
38.7%
Spread across generations
Recorded since 1950
31
People you could plausibly meet
Choose a decade

1970s — 61.3% of all recorded uses (19).

Is Jolyon 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 1970 (9)
Years since peak
55
Years
Year-to-year steadiness
Very steady
0% average annual change
Best rank ever
#3,395
1970

Spellings of Jolyon

Jolyon is not the most common spelling — Colton is, with 72.8% against Jolyon'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.

Jolyon around the world

Where Jolyon 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
    1996–2024
    #5,120
    in 2024
  • South Australia
    1955–2006
    #657
    in 2006

Popularity data from Office for National Statistics and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. CBS SA data under CC BY 4.0.

Jolyon 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
#3,395
1970
Peak year
1970
9 that year
First recorded
1970
Last recorded
2014
All-time count
31
Count in 2025
Under 5

Names similar to Jolyon

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

AceyonEriyonReyonJoleneJolenJollieJolinMiyonSavyonTavyonBriyonDaiyonJacyonZaiyonXiyonMaiyonCoryonKaiyonDreyonJolanCyonKhiyonJolianJolani

Sibling names for Jolyon

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 Jolyon

Top names of 1970, Jolyon's peak yearThe 1970s in fullOther names that peaked in 1970Boys' names starting with J