Over the past 110 years, 159 047 girls and 38 boys have been named Chelsea. The name Chelsea ranks 226th in the United States among the most common names for girls. For the first time more than ten times newborns were named Chelsea in 1969. The peak of popularity of the name Chelsea came in the 1980s and 1990s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.