Popularity (feminine) 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

 Lou (feminine) 
 Year   Rank   Percent Used 
2020 - -
2010 - -
2000 - -
1990 - -
1980 - -
1970 #1418 0.005
1960 #563 0.016
1950 #290 0.046
1940 #336 0.032
1930 #271 0.047
1920 #337 0.032
1910 #343 0.030
1900 #298 0.041
1890 #241 0.055
1880 #157 0.097