Over the past 110 years, 29 girls and 123 549 boys have been named Colin. The name Colin ranks 12078th in the United States among the most common names for girls. For the first time more than ten times newborns were named Colin in 1984. The peak of popularity of the name Colin came in the 1980s and 2000s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.