Cillian is a boy's name of English origin. Its meaning is not recorded in the standard references we check — we would rather tell you that plainly than guess. In 2024 it was given to 668 boys in the United States.
Cillian belongs to the English & American tradition. Its roots are documented, even though its precise meaning is not recorded in the standard references — an honest gap we prefer to a confident guess.
In the United States, Cillian first appears in Social Security records in 1995. It climbed to its best-ever rank of #463 in 2024, and in 2024 668 babies received the name — 3,486 in total since 1880. Those are the official counts, not estimates.
More names from the English & American shelf:
The meaning of Cillian is not recorded in the standard references we check. Rather than repeat an unsourced claim, we leave it open — its English origin is documented, but its exact meaning is not.
Cillian is a boy name. In 2024, 668 babies received the name in the US.
Cillian comes from the English & American tradition.
Cillian first appears in US records in 1995. Its best-ever ranking was #463 in 2024, and 668 babies were given the name in 2024.
This profile is built from the US Social Security Administration's public baby-names data — see the source. Its meaning is not recorded in the standard references we check. If you spot an error, write to [email protected].
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