Popularity (masculine) in the United States (by decade)

1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 0.030% 0.024% 0.018% 0.012% 0.006% 1880 2020
         

Numbers

 Bertram (masculine) 
 Year   Rank   Percent Used 
2020 - -
2010 - -
2000 - -
1990 - -
1980 - -
1970 #1383 0.002
1960 #940 0.003
1950 #856 0.004
1940 #749 0.005
1930 #568 0.010
1920 #431 0.017
1910 #427 0.019
1900 #476 0.015
1890 #484 0.013
1880 #447 0.014