Popularity (feminine) in the United States (by decade)

1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 1.400% 1.120% 0.840% 0.560% 0.280% 1880 2020
         

Numbers

 Cynthia (feminine) 
 Year   Rank   Percent Used 
2020 #852 0.018
2010 #525 0.031
2000 #220 0.075
1990 #106 0.159
1980 #68 0.226
1970 #31 0.487
1960 #10 1.040
1950 #11 1.335
1940 #47 0.390
1930 #191 0.088
1920 #348 0.030
1910 #401 0.022
1900 #404 0.022
1890 #338 0.030
1880 #259 0.042