Alanah has been given to about 4,226 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 223 babies were given the name, ranking 1152nd. The typical living American called Alanah is about 16 years old today. It is relatively most common in North Carolina, where it accounts for 0.01% 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.