Parley has been given to about 693 people in the United States since 1880. It was most common in 1918, which makes it a Edwardian name.
Its best year was 1918, when 25 babies were given the name, ranking 1486th. The typical living American called Parley is about 22 years old today. It is relatively most common in Utah, where it accounts for 0.02% 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.