Janney has been given to about 1,029 people in the United States since 1880. It was most common in 2013, which makes it a millennial-parent name.
Its best year was 2013, when 224 babies were given the name, ranking 1093rd. The typical living American called Janney is about 10 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. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.