Tiarnan
14
Peak · 1999
2023
Last seen
16
Years on list
88
Total babies
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 Tiarnan
Tiarnan is a rare UK boy's name. In 2024, fewer than three boys were registered with this name in England & Wales — the threshold below which the ONS suppresses counts to protect family privacy. It was last on the published list in 2023.
Tiarnan reached its peak in 1999, when 14 boys were registered in England & Wales — ranked #1,027 for UK boys that year. Since then, registrations have dropped below the ONS reporting threshold of three babies per year.
Across 16 years of ONS data since 1996, a total of 88 boys have been officially registered with the name Tiarnan in England & Wales. In the past decade alone (2014–2024), 10 boys were registered with the name.