Io
5
Babies in 2024
+25%
10-year change
2021
Peak · 9
+25%
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 Io
Io appears in the official UK girls' name list for 2024, ranked #4,192 with 5 girls registered in England & Wales.
Io reached its peak in 2021, when 9 girls were registered in England & Wales — ranked #2,711 for UK girls that year. Today's count of 5 represents 56% of the peak.
Across 12 years of ONS data since 1996, a total of 56 girls have been officially registered with the name Io in England & Wales. In the past decade alone (2014–2024), 41 girls were registered with the name, starting from 4 in 2014 and ending at 5 in 2024.