Lamar has been given to about 35,251 people in the United States since 1880. It was most common in 1989, which makes it a Gen X and millennial name.
Its best year was 1989, when 748 babies were given the name, ranking 325th. The typical living American called Lamar is about 42 years old today. It is relatively most common in Ohio, where it accounts for 0.02% 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.