Home / Name Directory / Declan
How Many People Are Named Declan?
Estimated people named Declan living in the U.S. today
55,722
Gender distribution
99% male · 1% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 56,351
- Peak year: 2019 (4,007 births)
- Estimated living today: 55,722
Declan by age group — who carries the name today?
Declan popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Declan
Declan has been recorded by the Social Security Administration since the 19th century dataset began. In total, 56,351 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 55,722 bearers are still living — roughly 1 in 6,134 Americans. The name's strongest decade shapes how old most Declans you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Declan in the US?
An estimated 55,722 people named Declan are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Declan rare — about 1 in 6,134 Americans.
Is Declan a boy or girl name?
In SSA records, Declan is 99% male and 1% female, so it is predominantly a male name.
When was Declan most popular?
Declan peaked in 2019, when 4,007 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Declan?
Declan ranks #840 of 104,819 first names recorded by the SSA, with a rarity score of 44 out of 100 (higher means rarer).