Rejoice
A variant of the Roman name Caius, derived from the Latin 'gaudere'. It was a common praenomen in Ancient Rome and signifies a sense of celebration or gladness. The 'K' spelling provides a modern, trendy update to the traditional Latin form.
About 216 boys were named Kaius in 2025.
South African-born Hungarian cricketer
US births per 5-year period, 1990–present (SSA data).
The same feel as Kaius — far less common.
Hidden gems that stand out.
