Over the past 110 years, 111 278 girls and 1 145 boys have been named Isabel. The name Isabel ranks 308th in the United States among the most common names for girls. For the first time more than ten times newborns were named Isabel in 1910. The peak of popularity of the name Isabel came in the 2000s and 2010s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.