Deklyn
Masculine
Deklyn is given to both — 787 boys and 188 girls since 1880. See other names given to both
Deklyn is a respelling of Declan, an Irish saint's name that Ireland used quietly for centuries before the rest of the English-speaking world discovered it.
How old is the name Deklyn?
Deklyn first appears in US birth records in 2001 — 24 years ago. The typical Deklyn is a kid of about 8 — this name's wave is very recent. About 800 people named Deklyn are estimated to be alive in the US today.
When was the name Deklyn most popular?
Deklyn peaked in 2015, reaching #1955 nationally. Today it ranks #3848, 1,893 places below that high. See the whole 2015 chart.
Lists built from the same records:
Where it comes from
From Deaglán to Deklyn
The story of Deklyn
Declan of Ardmore is counted among the saints who worked in Ireland before Patrick, and his well and oratory at Ardmore in Waterford are still visited. The name stayed local to Munster for a long time and then rose sharply across the English-speaking world from the 1990s. Deklyn, Declyn and Deklan are the American respellings from that wave.
Meaningnot established
Not established
The Irish Deaglán has no settled derivation. Readings offered include a word for good and one for full of goodness, neither established. The -klyn spelling is a modern American respelling with no bearing on the meaning.
How the name formed
- Deaglán
- Declan
- Deklyn
Related forms: Deaglán · Declan
Pronouncing Deklyn
DEK-lin
Two syllables, first stressed. Deklyn and Declan are said nearly identically.
Nicknames for Deklyn
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 2001
- Most boys named
- 201574 — the highest on record
- Peak rank
- #1955reached in 2015
- Change vs 2024
- +21.7%28 in 2025, from 23
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Deklyn in other languages
The same name elsewhere
- Deaglán in Irish — same name
- Declan in English — spelling variant
Strongest US states over the last decade: Texas, North Carolina, California.
Deklyns among us
people named Deklyn are estimated to be alive in the US today
About 1 boy in 61,003 born in 2025 was named Deklyn
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Deklyn
- #3848
- Deklyn on the 2025 chart
- #846
- counting every spelling
The SSA counts spellings, not names. Deklyn went to 28 boys in 2025, but Declyn, Decklyn and Deklin are the same name said out loud. Together the 4 spellings went to 82, which makes it the 846th most-given boys’ name of the year — 3,002 places above the chart.
- Deklyn28
- Declyn22
- Decklyn16
- Deklin16
About 1 boy in 20,830 born in 2025 was given one of these spellings — against 1 in 61,003 for Deklyn itself.
Spellings are grouped by a fixed rule that folds interchangeable English spellings of one sound (ck/k, ph/f, x/ks, a non-initial y for i) and keeps vowels apart, so Sean and Shawn stay separate names. It errs towards splitting: a family here is never larger than the truth. SSA national data, 2025. Method
Is it right for you
What happens to a name after it peaks
The Jerico test
Every popular name lives one long story — a climb, a peak, a slow settling back. Deklyn's later chapters haven't been written yet, so we borrowed them: Jerico climbed just as high around 1992, and its whole arc is on record. Line the two peaks up, and Jerico's path sketches the road Deklyn is walking now.
Deklyn sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Where Deklyn is headed
Deklyn is easing off slowly — about 36% fewer babies a year by 2030 if the trend continues.
Medium confidence — fitted on official counts through 2025.
A damped-trend projection of the official birth data — a sketch of momentum, not a promise. Every name's forecast, ranked.
Deklyn beside its neighbors
The names ranked closest to Deklyn in 2025, in babies rather than position — the bars are to scale.
US boys given each name in 2025.
The trade-off
- A documented Irish saint with a real and still-visited site behind him.
- Dek is a plain short form that works from childhood on.
- Read correctly on sight by most English speakers.
- Declan is the standard spelling and will be written for him constantly.
- The meaning of the Irish original is genuinely unknown.
- Deklyn, Declyn, Deklan and Declan are four live spellings.
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What they receive
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Deklyn
Masculine · #3848 in the U.S.
Frequently asked
- How many Deklyns are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 800 people named Deklyn are estimated to be alive in the US today.
- How do you spell Deklyn?
- Deklyn is the most-used spelling in US records — 28 of the 82 babies given the name in 2025. The others recorded are Declyn, Decklyn and Deklin.
- How popular is the name Deklyn in 2025?
- Deklyn ranks #3848 among US boy names in 2025, with 28 babies given the name.
- How rare is the name Deklyn?
- About 1 in every 61,003 US boys born in 2025 was named Deklyn — 28 in all.
- Will my child share the name Deklyn with classmates?
- Deklyn will almost certainly be the only one in school.
Ranked beside Deklyn
Names sitting at a similar level of popularity right now.
Armand#3848 · Tracy#3848 · Stafford#3848 · Dewey#3848 · Donny#3848 · Trevion#3848 · Coltyn#3848 · Isreal#3848
Looking for what else is popular rather than what resembles Deklyn? See the current top 100.
Choosing between Deklyn and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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