Gwyndolyn
#13,796 in 2025Girls' nameMeaning not yet documented
Gwyndolyn has been given to 519 babies in the U.S. since 1924. In 2025 it ranked #13,796 of 17,293 girls’ names in use. Its peak year was 1952, with 16 recorded.
Babies named Gwyndolyn, 2025
1 in 553,000
Gwyndolyn over time, 1880–2025
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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 Gwyndolyn?
Everything below is computed from the 2025 data — the most recent year available.
- Among all babies, 2025
- 1 in 553,000
- 6 of 3,315,165 births
- Among girls only
- 1 in 268,000
- <0.01% of girls
- Rank, 2025
- #13,796
- of 17,293 girls’ names in use
- Coin-flip room size
- 382,984 kids
- Even odds of a second one
Where Gwyndolyn sits on the popularity scale
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.
Put another way: gather 382,984 children born in 2025 and it's an even bet that one of them is another Gwyndolyn. In a class of 30 the chance is Under 1%.
When Gwyndolyns were born
Half of everyone ever recorded as Gwyndolyn was born before 1980 — so the typical Gwyndolyn is around 45 today.
- Biggest decade
- 2010s
- 15.8% of all use
- Born in the last 25 years
- 37.0%
- Spread across generations
- Recorded since 1950
- 406
- People you could plausibly meet
2010s — 15.8% of all recorded uses (82).
Is Gwyndolyn 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
- −5,678
- Places dropped
- Rank vs 5 years ago
- −2,342
- Places dropped
- Rank vs 10 years ago
- −4,091
- Places dropped
- Births vs 10 years ago
- 0.55×
- Fewer babies than then
- Share of its own peak
- 37.5%
- Peak was 1952 (16)
- Years since peak
- 73
- Years
- Year-to-year steadiness
- Volatile
- 30.8% average annual change
Spellings of Gwyndolyn
Gwyndolyn is not the most common spelling — Gwendolyn is, with 96.0% against Gwyndolyn's 0.40%.
- Gwendolyn96.0%124,385
- Gwendolynn1.1%1,454
- Gwendalyn0.93%1,207
- Wendolyn0.90%1,166
- Gwendolen0.69%889
- Gwyndolyn0.40%519
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.
Gwyndolyn by the numbers
The raw record for each sex the name is used for.
Names similar to Gwyndolyn
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Gwyndolyn
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.