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Caysie

Gender
Girl
Say it
KAY-see
Origin
Irish

Caysie is a girls' name of Irish origin, meaning “vigilant”. Too few babies were given it in the latest year to rank.

What does Caysie mean?

Irish: spelling of Kaysie, itself a variant of Casey, from the surname O Cathasaigh

“vigilant”

A respelling of Casey, from the Irish surname O Cathasaigh, based on cathasach 'vigilant'.

Meaning borrowed from Kaysie.

Is Caysie a girl's or a boy's name?

Caysie is a girls' name.

How popular is Caysie in the US?

No girls in the US were given it in 2025, or too few to be listed. Its busiest year was 2000, with 13 girls. It first appears in the records in 1980.

Half of all the girls named Caysie in the US since 1880 were born between 1992 and 2006, the years shaded on the chart below.

1980Busiest: 13 in 20002014
Caysie in the US, year by year
YearGirlsRank
20145#16,507
20136#14,577
20120–
20110–
20107#13,442
200910#10,675
20080–
20077#13,918
20066#15,147
200510#10,123
20040–
20030–
20026#13,589
200110#9,344
200013#7,574
19995#14,403
19988#10,116
19970–
19969#8,807
19955#13,380
19940–
19937#10,581
199211#7,504
19915#13,139
19905#12,952
19898#8,755
19880–
19870–
19860–
19850–
19846#9,139
19830–
19820–
19810–
19806#9,093

Nicknames for Caysie

Names like Caysie

Names given in the same years and the same naming tradition, with a similar sound.

Names related to Caysie

More Irish names

Every Irish name

Sources

Figures from Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Caysie: name meaning, origin and popularity”, https://www.nameling.co.uk/names/caysie, updated 20 October 2026.