Katherin has been given to about 3,630 people in the United States since 1880. It was most common in 1989, which makes it a Gen X and millennial name.
Its best year was 1989, when 277 babies were given the name, ranking 717th. The typical living American called Katherin is about 31 years old today. It is relatively most common in Texas, where it accounts for 0.00% of births.
Source: US Social Security Administration, national and state name files, 2025 release. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.