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Boy's name · #1029 in the US (2025) · Trending
The whole story of Kaius fits in one generation — unrecorded before 2005, about 2,000 boys since, and a 2025 rank of #1029 (220 newborns last year).
See where Kaius is more common.
Appears in 2020-2025 birth records of 22 states. See the full state-by-state map on this page.
See how Kaius ranks in other countries and regions.
#916 in Canada (2025) · #1,197 in England & Wales (2025) · #5,438 in Ecuador (2025) · #468 in New Zealand (2024) · #728 in Scotland (2023) · #2,193 in Sweden (2023) · #631 in Ireland (2021) · #2,680 in Austria (2021).
Together with its spelling variant Caius (#927), Kaius would rank around #605 with about 470 births last year — the newborns split about 54/46 between Caius and Kaius.
Similar names: Caius · Lux · Kaycen · Scout · Aurelius · Amias
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