Popularity in the United States (by decade)

1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 0.200% 0.160% 0.120% 0.080% 0.040% 1880 2020
         

Numbers

 Louisa (feminine) 
 Year   Rank   Percent Used 
2020 #754 0.021
2010 #927 0.015
2000 #1736 0.006
1990 #1504 0.006
1980 #1275 0.006
1970 #1178 0.006
1960 #891 0.007
1950 #805 0.007
1940 #705 0.009
1930 #606 0.011
1920 #531 0.014
1910 #441 0.019
1900 #332 0.032
1890 #242 0.054
1880 #151 0.101