Nameling

Kathelyn

Gender
Girl
Say it
KATH-uh-lin
Origin
Irish

Kathelyn is a girls' name of Irish origin. Too few babies were given it in the latest year to rank.

Where does Kathelyn come from?

Irish: variant of Kathleen or Katelyn, from Irish Caitlín (Catherine)

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

Kathelyn is a girls' name.

How popular is Kathelyn in the US?

No girls in the US were given it in 2025, or too few to be listed. Its busiest year was 1990, with 18 girls. It first appears in the records in 1983.

Half of all the girls named Kathelyn in the US since 1880 were born between 1990 and 2006, the years shaded on the chart below.

1983Busiest: 18 in 19902024
Kathelyn in the US, year by year
YearGirlsRank
20246#13,472
20230–
20220–
20210–
20200–
20190–
20180–
20170–
20160–
20150–
20145#16,507
20138#11,964
20129#11,251
20110–
20106#14,953
200912#9,375
20085#17,498
20077#13,918
20068#12,415
20056#14,495
20048#11,617
200313#7,993
20027#12,181
20019#10,095
20007#11,794
19996#12,681
19980–
19976#12,065
19960–
19959#8,761
19947#10,563
19935#13,435
19929#8,726
199111#7,423
199018#5,055
198912#6,525
198816#5,060
19876#9,820
19865#10,907
19857#8,315
19846#9,139
19835#10,272

Nicknames for Kathelyn

Names like Kathelyn

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

Names related to Kathelyn

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, “Kathelyn: name meaning, origin and popularity”, https://www.nameling.co.uk/names/kathelyn, updated 20 October 2026.