Kiernan
3 countries#3379 in United States, 2025Popularity across 3 countries
Each line is scaled to its own peak, so you can compare when Kiernan was in fashion in each country, whatever the population size.
Country by country
🇺🇸 United States
2,448 births recorded 1957–2025 · currently #3379 · peaked in 2008 with 104 births
Most common in: New York, California, Massachusetts, Florida, Pennsylvania
Source: Social Security Administration, official birth-registration data
🇬🇧 United Kingdom
70 births recorded 1997–2012 · peaked in 2003 with 9 births (England & Wales + Scotland + Northern Ireland combined)
Source: ONS, National Records of Scotland & NISRA (combined), official birth-registration data
🏴🏴 England & Wales
60 births recorded 1997–2012 · peaked in 2004 with 8 births
Source: Office for National Statistics, official birth-registration data
Northern Ireland
10 births recorded 2003–2008 · peaked in 2006 with 4 births
Source: NISRA, official birth-registration data
United States rank history
Kiernan’s rank among boys’ names, most recent 20 years on record.
| Year | Rank | vs. prior yr |
|---|---|---|
| 2006 | #2477 | — |
| 2007 | #2071 | ↑406 |
| 2008 | #1874 | ↑197 |
| 2009 | #2077 | ↓203 |
| 2010 | #1913 | ↑164 |
| 2011 | #2173 | ↓260 |
| 2012 | #2869 | ↓696 |
| 2013 | #3189 | ↓320 |
| 2014 | #2805 | ↑384 |
| 2015 | #2919 | ↓114 |
| 2016 | #3441 | ↓522 |
| 2017 | #2388 | ↑1053 |
| 2018 | #2796 | ↓408 |
| 2019 | #3716 | ↓920 |
| 2020 | #3344 | ↑372 |
| 2021 | #2972 | ↑372 |
| 2022 | #3617 | ↓645 |
| 2023 | #3802 | ↓185 |
| 2024 | #3104 | ↑698 |
| 2025 | #3379 | ↓275 |
Frequently asked questions about Kiernan
Is Kiernan a popular name?
Yes — Kiernan currently ranks #3379 among boys’ names in United States as of 2025, based on official birth records.
Is Kiernan more common for boys or girls?
Kiernan is recorded predominantly as a boys’ name in official United States birth data.
When was Kiernan most popular?
Kiernan peaked in 2008 in United States, with 104 recorded births that year.
Is Kiernan rising or falling in popularity?
In United States, Kiernan’s popularity is rising — its rank has improved from #3993 in 1957 to #3379 in 2025.
How many babies have been named Kiernan?
At least 2,518 babies have been recorded with the name Kiernan across official birth statistics in 3 countries.
Is Kiernan popular in more than one country?
Yes — Kiernan appears in official birth records in 3 countries: United States, England & Wales, Northern Ireland.
What names are similar in popularity to Kiernan?
Based on real 2025 ranking data in United States, names ranked closest to Kiernan include Jonny, Khoi.
Similar names right now
Ranked directly next to Kiernan in United States, 2025 — a real popularity match, not a subjective list.