Over the past 110 years, 436 girls and 526 286 boys have been named Harold. The name Harold ranks 5141th in the United States among the most common names for girls. For the first time more than ten times newborns were named Harold in 1916. The peak of popularity of the name Harold came in the 1910s and 1920s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.