Jacoby has been given to about 11,281 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 696 babies were given the name, ranking 422nd. The typical living American called Jacoby is about 17 years old today. It is relatively most common in Louisiana, 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.