Osmar has been given to about 2,304 people in the United States since 1880. It was most common in 2008, which makes it a millennial-parent name.
Its best year was 2008, when 133 babies were given the name, ranking 1313th. The typical living American called Osmar is about 17 years old today. It is relatively most common in Arizona, 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.