Deklan
Deklan was the 2399th most popular name for boys in 2025, given to 57 babies. Its best year was 2018, when it ranked 1053rd with 193 babies. Over the last ten years it has moved down 1,249 places. More babies were named Deklan in the 2010s than in any other decade.
Meaning (as Declan) Origin not documented
- Rank in 2025
- #2,399 boys, down 1,070 places since 2020
- Babies in 2025
- 57boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 2018193 babies
- Total since 1880
- 2,484babies recorded
What does the name Deklan mean?
Deklan is a spelling of Declan, pronounced the same way, so it shares Declan's meaning and origin.
Declan is the English form of the Irish Déclán, the name of Saint Declan of Ardmore, an early Irish missionary in the region that is now County Waterford. Wiktionary takes it from Old Irish Declán, and Wikipedia notes an ogham inscription with an early form of the name. The original meaning is not recorded in the dictionary sources we checked. Wikipedia mentions popular glosses such as 'man of prayer' and 'full of goodness', but treats them as beliefs rather than established derivations.
How sure is this? Not documented. No documented etymology for the Old Irish personal name; popular glosses are unverified.
Other explanations you may read: Means 'man of prayer' or 'full of goodness'.
Related names: Deaglán, Deklan.
Sources for this meaning
- Wiktionary, entry 'Declan', Wiktionary (Wikimedia Foundation); facts restated, no text reused
- Wikipedia, 'Declan (given name)', Wikipedia (Wikimedia Foundation); facts restated, no text reused
Deklan popularity since 1880
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #2,399 | 57 |
| 2020 | #1,329 | 135 |
| 2010 | #2,073 | 65 |
| 2000 | #5,097 | 14 |
| 1990 | — | — |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Deklan, counting every spelling?
Deklan is a spelling of Declan, a name family that ranked #140 for boys in 2025 once every spelling is counted together, compared with #2,399 for Deklan on its own. Together these spellings went to 2,724 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Declan | 2,570 | #139 | 15,141 |
| Deklan | 57 | #2,399 | 504 |
| Deklyn | 28 | #3,869 | 178 |
| Decklan | 21 | #4,744 | 105 |
| Decklyn | 16 | #5,666 | 88 |
| Deklin | 16 | #5,667 | 86 |
| Deklen | 11 | #7,302 | 61 |
| Decklin | — | — | 26 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Deklan?
57 of the 3,606,400 babies born in the US in 2025 were named Deklan (0.02 per 1,000 births). For a boy named Deklan born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 147 (of 430 pupils) would have a child named Deklan.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Deklan?
About 2,500 people born in the US named Deklan are alive today, with a median age of 10; half are between 6 and 14. That makes Deklan a young name: most people with it are children.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Deklan by state
How common Deklan was among boys born in each state in 2021–2025. In 33 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Deklan: their share of US boys followed the most similar curve since 1880. If you like Deklan, they share its era and feel.
Questions about the name Deklan
How popular is the name Deklan?
Deklan was the 2399th most popular name for boys in 2025, given to 57 babies. Its best year was 2018, when it ranked 1053rd with 193 babies. Over the last ten years it has moved down 1,249 places. More babies were named Deklan in the 2010s than in any other decade.
Is Deklan a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Deklan in the US.
Where is Deklan most popular?
In 2021–2025, Deklan was most common in Kentucky (0.15 per 1,000 boys), followed by Oklahoma and Wisconsin.