Popularity in the United States (by decade)

1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 0.100% 0.080% 0.060% 0.040% 0.020% 1880 2020
         

Numbers

 Cassie (feminine) 
 Year   Rank   Percent Used 
2020 #1249 0.011
2010 #1211 0.010
2000 #613 0.023
1990 #297 0.048
1980 #179 0.085
1970 #462 0.026
1960 #828 0.008
1950 #901 0.006
1940 #867 0.006
1930 #769 0.007
1920 #613 0.011
1910 #474 0.017
1900 #374 0.026
1890 #315 0.034
1880 #278 0.035