There are an estimated 2,836 people named Kathlyn alive worldwide today. That ranks Kathlyn at #5233 globally, with the highest concentrations in United States.
In the United States, Kathlyn is held by approximately 2,836 people, ranking #5233 among first names. That works out to roughly 1 per 100,000 Americans (or 1 in 117,031 U.S. residents).
Historically Kathlyn is used overwhelmingly as a female name (100.0% female).
Kathlyn appears in birth records going back to 1880. Use the chart below to see how its popularity has changed across decades, and the surname section to find common pairings.