Mahlon has been given to about 5,683 people in the United States since 1880. It was most common in 1919, which makes it a Edwardian name.
Its best year was 1919, when 95 babies were given the name, ranking 623rd. The typical living American called Mahlon is about 44 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. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.