US Popularity Grouped by Loose Sound


KEY  
kalsa [Chelsea, Kelsey, Chelsey, etc] (f)
kalsa [Kelsey, Chelsea, Kelcey, etc] (m)
1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 1.900% 1.520% 1.140% 0.760% 0.380% 1880 2023