Tiernan
Recorded for both sexesGen Z2025 rank
#3,840
up +345 places
2025 births
29
up +3 births
All-time births
1,481
2% of them in 2025
More common than
91%
of all archived spellings recorded for boys, by lifetime births for that sex
- Peak year
- 2007
- 86 births
- Best rank
- #1,738
- in 2007
- First recorded
- 1985
- #7,497 that year
- Last recorded
- 2025
- still in the data
- Average birth year
- 2009
- weighted by recorded births
- Years recorded
- 38 of 146
- with gaps
Top five years
- 200786#1,738Peak
- 200985#1,787
- 200878#1,872
- 201073#1,937
- 201173#1,923
Rank over time
Inverted scale — nearer the top is more popular. Unrecorded years are left blank, not drawn as zero.
Best rank #1,738 in 2007 · peak births 86 in 2007
Boys and girls
Births per year for each sex, on one shared scale. The girls' series is dashed.
● 88% boys■ 12% girls
1,481 boys · 195 girls, all time
Births by decade
Where the name's whole run sits, with the best and worst rank it held in each decade
Trajectory by decade
Where Tiernan has ranked, decade by decade
The band spans each decade's best and worst rank; the line follows its best.