What does Katelyn mean?
Katelyn \k(a)-tel-yn, kat(e)-lyn\ as a girls' name is pronounced KAYT-len. It is of English origin. Alternate form of Caitlin, an Irish form of Katherine. Kateline is a medieval English form. See also Kaitlin.
Katelyn has 20 more alternative forms via Caitlin, Kaitlin, Katherine: Caelyn, Catelan, Catelyn, Catelynn, Catlyn, Kaitlyn, Katalin, Katelan, Katell, Katelle, Katelynne, Katey, Katheryn▼, Kathleyn, Kathlin, Kathlyn▼, Kathlyne, Kathryn▼, Kayelin and Kayelyn.
Katelyn is a very prominent first name for women (#882 out of 4276, Top 21%) but an unusual surname for both adults and children. (2000 U.S. Census)
Charted below is the baby name popularity of Katelyn for girls. Katelyn entered the list in 1980-1989 and reached its peak rank of #52 in the U.S. in the year 2001, and is presently at #172. (2014 Birth Statistics)
Prominent related forms of Katelyn (#172 last year) ranked in the Top 1000 are Caitlin (#496 last year), Kaitlin, Kaitlyn (#158), Katelin, Katelynn (#567), Katherine (#83), Katheryn, Kathlyn, Kathryn (#293), Katlin, Katlyn and Katlynn. Adoption of these girl names was at its most widespread in the year 1995 (usage of 0.6303%) and is now much lower (usage 0.3255%, down 48.4%), with versions like Kaitlin, Kathlyn, Kathryn, Katlin and Katlyn becoming somewhat outmoded. Caitlin (#496), Kaitlyn (#158), Katelyn (#172) and Katelynn (#567) are four of the more contemporarily stylish baby names in this compilation. Below is a charted comparison of the usage of Katelyn and related names. (2014 Birth Statistics)