Bailyn
#7,953 in 2025UnisexGirls' nameBoys' nameMeaning not yet documented
Bailyn has been given to 309 babies in the U.S. since 1996. In 2025 it ranked #7,953 of 17,293 girls’ names in use. Its peak year was 2011, with 20 recorded. It's used for both sexes: 95% girls, 5% boys all-time.
Babies named Bailyn, 2025
1 in 255,000
Bailyn 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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
Girls or boys — Bailyn over time
In 2025, Bailyn went to 100% girls and 0% boys.
A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.
How common is Bailyn?
Everything below is computed from the 2025 data — the most recent year available.
- Among all babies, 2025
- 1 in 255,000
- 13 of 3,315,165 births
- Among girls only
- 1 in 124,000
- <0.01% of girls
- Rank, 2025
- #7,953
- of 17,293 girls’ names in use
- Coin-flip room size
- 176,762 kids
- Even odds of a second one
Where Bailyn 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 176,762 children born in 2025 and it's an even bet that one of them is another Bailyn. In a class of 30 the chance is Under 1%.
When Bailyns were born
Half of everyone ever recorded as Bailyn was born before 2012 — so the typical Bailyn is around 13 today.
- Biggest decade
- 2010s
- 48.0% of all use
- Born in the last 25 years
- 90.1%
- A modern name
- Recorded since 1950
- 294
- People you could plausibly meet
2010s — 48.0% of all recorded uses (141).
Is Bailyn 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
- +1,071
- Places climbed
- Rank vs 5 years ago
- +5,761
- Places climbed
- Rank vs 10 years ago
- +1,074
- Places climbed
- Births vs 10 years ago
- 1.08×
- More babies than then
- Share of its own peak
- 65.0%
- Peak was 2011 (20)
- Years since peak
- 14
- Years
- Year-to-year steadiness
- Volatile
- 33.8% average annual change
Spellings of Bailyn
Bailyn is not the most common spelling — Marilyn is, with 34.7% against Bailyn's 0.03%.
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.
Bailyn around the world
Where Bailyn 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 Australia1998–2010#754in 2010
Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.
Bailyn by the numbers
The raw record for each sex the name is used for.
As a girl's name
Names similar to Bailyn
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Bailyn
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.