Brinley has been given to about 13,641 people in the United States since 1880. It was most common in 2017, which makes it a current name.
Brinley ranks 608th among American girls in 2025, with 481 born that year. Its best year was 2017, when 1,007 babies were given the name, ranking 328th. The typical living American called Brinley is about 10 years old today. It is relatively most common in Montana, where it accounts for 0.08% 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.