Arlyn has been given to about 4,525 people in the United States since 1880. It was most common in 1934, which makes it a interwar name.
Its best year was 1934, when 75 babies were given the name, ranking 1607th. The typical living American called Arlyn is about 39 years old today. It is relatively most common in California, where it accounts for 0.00% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.