Unisex name · Irish, American English

Deklyn

How to say it: DEK-lin · /ˈdɛklɪn/

Modern American respelling of Irish Declan, meaning 'full of goodness' - invented -klyn spelling.

Deklyn was the 150th most popular boys’ name in the United States in 2025, given to 28 babies of either sex (Social Security Administration). Its busiest decade was the 2010s, its births are down about 32% in ten years, and it is projected to slip to #208 by 2030.

Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures

#150for boys in 2025
1 in 1,238US babies
28born in 2025
#208projected for 2030
2010sits peak decade
1 in 52chance a classmate shares it

Key facts

Key facts about Deklyn
Rank among boys’ names, 2025#150
Babies born in 2025 (both sexes)28
Share of births1 in 1,238
Peak decade2010s
Change over 10 years−32%
Projected rank for 2030 (estimate)#208
In France, 2025#2,436 among boys’ names, 0 births

Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.

Its life, decade by decade

Deklyn is a newcomer: almost all of its history is from the last forty years.

1900195020002020–25
Peak: 17 per million births, 2010s.

What goes with it

Nicknames

  • Dek

Honouring a Deklyn in the family

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Deklyn is about 1 in 52.

Around the world

This spelling is used in English, Irish.

In France: #2,436 for boys in 2025.

Keep exploring

Find names you'll both love, starting with Deklyn

The one-minute style quiz.

Take the quiz

Or see the Vowel app →