Gwenlyn

Girls' name

Meaning not yet documented

Gwenlyn has been given to 140 babies in the U.S. since 1934. 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 1943, with 9 recorded.

Babies named Gwenlyn, 1964

1 in 648,000

Gwenlyn over time, 1880–2025

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

How common is Gwenlyn?

Gwenlyn had fewer than 5 recorded uses in 2025, so these figures use 1964, the last year it was published.

Among all babies, 1964
1 in 648,000
6 of 3,887,460 births
Among girls only
1 in 316,000
<0.01% of girls
Rank, 1964
Unranked
Fewer than 5 uses
Coin-flip room size
449,098 kids
Even odds of a second one

Where Gwenlyn sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 1964 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 449,098 children born in 1964 and it's an even bet that one of them is another Gwenlyn. In a class of 30 the chance is Under 1%.

When Gwenlyns were born

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

Median birth year
1948
About 77 years old
Biggest decade
1940s
43.6% of all use
Born in the last 25 years
84.3%
A modern name
Recorded since 1950
57
People you could plausibly meet
Choose a decade

1940s — 43.6% of all recorded uses (61).

Is Gwenlyn 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 1943 (9)
Years since peak
82
Years
Year-to-year steadiness
Volatile
27.8% average annual change
Best rank ever
#3,251
1939

Spellings of Gwenlyn

Gwenlyn is not the most common spelling — Gwendolyn is, with 97.3% against Gwenlyn's 0.11%.

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.

Gwenlyn around the world

Where Gwenlyn 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.

  • South Australia
    1946–1972
    #722
    in 1972

Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.

Gwenlyn by the numbers

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

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#3,251
1939
Peak year
1943
9 that year
First recorded
1934
Last recorded
1964
All-time count
140
Count in 2025
Under 5

Names similar to Gwenlyn

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

Sibling names for Gwenlyn

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 Gwenlyn