Popularity in Spain (by decade)

1930 1940 1950 1960 1970 1980 1990 2000 0.200% 0.160% 0.120% 0.080% 0.040% 1920 2010
         

Numbers

 Ildefonso (masculine) 
 Year   Rank   Percent Used 
2010 - -
2000 - -
1990 - -
1980 #456 0.017
1970 #317 0.028
1960 #206 0.052
1950 #161 0.069
1940 #153 0.077
1930 #152 0.082
1920 #129 0.109