Arlin has been given to about 4,884 people in the United States since 1880. It was most common in 1935, which makes it a interwar name.
Its best year was 1935, when 85 babies were given the name. The typical living American called Arlin is about 46 years old today. It is relatively most common in Pennsylvania, where it accounts for 0.01% 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.