Guillermo
8
Peak · 2019
2023
Last seen
14
Years on list
55
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 Guillermo
Guillermo 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.
Guillermo reached its peak in 2019, when 8 boys were registered in England & Wales — ranked #2,488 for UK boys that year. Since then, registrations have dropped below the ONS reporting threshold of three babies per year.
Across 14 years of ONS data since 1996, a total of 55 boys have been officially registered with the name Guillermo in England & Wales. In the past decade alone (2014–2024), 40 boys were registered with the name, starting from 3 in 2014 and ending at 0 in 2024.