US Popularity Grouped by Sound


KEY  
bilee [Billy, Billie, Billey, etc] (m)
bilee [Billie, Billy, Billee] (f)
1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 1.000% 0.800% 0.600% 0.400% 0.200% 1880 2022