NameTides

Tiernan

Tiernan was the #3,757 boys' name in the US in 2025 (29 babies), and #2,952 in England & Wales.

Tiernan as a boy’s name

  • US
  • England & Wales
  • Scotland
  • Northern Ireland
  • Ireland
  • Canada
Tiernan as a boy’s name, US, England & Wales, Scotland, Northern Ireland, Ireland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Scotland, Northern Ireland, Ireland, Canada. Gaps mark years with too few babies to be published.02.557.51018801900192019401960198020002020Northern IrelandIrelandScotlandEngland & WalesUS
Tiernan as a boy’s name, US, England & Wales, Scotland, Northern Ireland, Ireland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Scotland, Northern Ireland, Ireland, Canada. Gaps mark years with too few babies to be published.02.557.5101880192019602000
Babies per 1,000 of the same sex in each published list. Breaks in a line are years with too few babies to be published.
Show the numbers
YearUSEngland & WalesScotlandNorthern IrelandIrelandCanada
2025#3,757 (29)#2,952 (7)#441 (7)#99 (24)#115 (48)—
2024#4,072 (26)#2,922 (7)#619 (4)#125 (17)#109 (51)#2,710 (6)
2023#3,347 (35)#1,407 (18)#482 (6)#139 (17)#115 (49)—
2022#3,151 (38)#2,321 (9)#522 (5)#98 (26)#84 (73)—
2021#3,497 (32)#1,329 (19)#477 (6)#129 (20)#92 (68)—
2020#4,698 (20)#3,334 (5)#476 (6)#148 (16)#105 (58)—
2019#4,230 (24)#1,655 (14)#516 (5)#112 (23)#113 (61)—
2018#3,793 (28)#1,786 (13)—#107 (25)#135 (45)—
2017#3,993 (26)#3,996 (4)—#80 (38)#127 (49)#2,198 (7)
2016#3,161 (36)#2,335 (9)—#134 (21)#140 (47)#1,683 (10)
2015#2,641 (46)#1,786 (13)—#159 (16)#161 (39)#2,387 (6)
2014#2,516 (49)#2,079 (10)—#108 (29)#161 (41)#2,133 (7)
2013#2,364 (53)#2,216 (9)—#111 (27)#119 (57)#2,305 (6)
2012#2,292 (56)#1,669 (14)—#89 (36)#109 (66)#2,666 (5)
2011#1,905 (73)#1,909 (11)—#88 (37)#127 (57)#1,944 (8)

The tide so far

  • Peaked in the US in 2009 at #1,774.
  • Rising over the last five years.
  • First recorded in the US in 1985.
  • In 2018, 15% of US babies named Tiernan were girls.

How common is it?

about 1 in 59,000 baby boys in the published US list for 2025.

In a group of 1,000 children born that year, you would expect to meet fewer than 1. How we work this out.

How common, country by country

WhereSexLatest yearShareVerdict
USBoys2025about 1 in 59,000rare
England & WalesBoys2025about 1 in 38,000rare
ScotlandBoys2025about 1 in 2,800uncommon
Northern IrelandBoys2025about 1 in 350common
IrelandBoys2025about 1 in 490common

Next year

On its recent trend, Tiernan is likely to keep falling in the US in 2026: about 1 in 64,000 baby boys. Likely range 1 in 48,000 to 1 in 84,000.

Estimate, not an official figure. How we estimate.

Spellings

Official statistics count each spelling separately, so we show them side by side rather than adding them up.

SpellingWhereSexLatest rankBabies
TiernanCanadaBoys—too few
TiernanEngland & WalesBoys#2,9527
TiernanIrelandBoys#11548
TiernánIrelandBoys#8293
TiernanNorthern IrelandBoys#9924
TiernanScotlandBoys#4417
TiernanUSGirls—too few
TiernanUSBoys#3,75729