Over the past 110 years, 17 799 girls and 6 boys have been named Marcy. The name Marcy ranks 951th in the United States among the most common names for girls. For the first time more than ten times newborns were named Marcy in 1927. The peak of popularity of the name Marcy came in the 1960s and 1970s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.