Tiernan
7
Babies in 2024
-30%
10-year change
1999
Peak · 24
-61%
vs 2023
Trajectory · 1996→2024
Years with no bar had fewer than 3 babies with this name — ONS suppresses counts of 2 or fewer for privacy.
About the name Tiernan
Tiernan peaked among UK boys' names in the late 1990s (24 babies in 1999) and has remained in active use — 7 boys were registered in England & Wales in 2024.
Tiernan reached its peak in 1999, when 24 boys were registered in England & Wales — ranked #697 for UK boys that year. Today's count of 7 keeps the name in regular use.
Across 29 years of ONS data since 1996, a total of 377 boys have been officially registered with the name Tiernan in England & Wales. In the past decade alone (2014–2024), 121 boys were registered with the name, starting from 10 in 2014 and ending at 7 in 2024.