Gwendylon
Girls' nameMeaning not yet documented
Gwendylon has been given to 18 babies in the U.S. since 1955. 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 1955, with 6 recorded.
Babies named Gwendylon, 1963
1 in 660,000
Gwendylon 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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 Gwendylon?
Gwendylon had fewer than 5 recorded uses in 2025, so these figures use 1963, the last year it was published.
- Among all babies, 1963
- 1 in 660,000
- 6 of 3,958,455 births
- Among girls only
- 1 in 321,000
- <0.01% of girls
- Rank, 1963
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 457,300 kids
- Even odds of a second one
Where Gwendylon sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 1963 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 457,300 children born in 1963 and it's an even bet that one of them is another Gwendylon. In a class of 30 the chance is Under 1%.
When Gwendylons were born
Half of everyone ever recorded as Gwendylon was born before 1956 — so the typical Gwendylon is around 69 today.
- Biggest decade
- 1950s
- 66.7% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 18
- People you could plausibly meet
1950s — 66.7% of all recorded uses (12).
Is Gwendylon 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 1955 (6)
- Years since peak
- 70
- Years
- Year-to-year steadiness
- Very steady
- 0% average annual change
Spellings of Gwendylon
Gwendylon is not the most common spelling — Gwendolyn is, with 98.3% against Gwendylon's 0.01%.
Gwendylon by the numbers
The raw record for each sex the name is used for.
Names similar to Gwendylon
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Gwendylon
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.