Popularity in the United States (by decade)

1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 0.040% 0.032% 0.024% 0.016% 0.008% 1880 2020
         

Numbers

 Isadore (masculine)   Isadore (feminine) 
 Year   Rank   Percent Used   Rank   Percent Used 
2020 - - - -
2010 - - - -
2000 - - - -
1990 - - - -
1980 - - - -
1970 - - - -
1960 #1965 0.001
- -
1950 #1498 0.001
- -
1940 #1290 0.002
- -
1930 #961 0.004
- -
1920 #528 0.012
- -
1910 #328 0.028
- -
1900 #358 0.024
- -
1890 #468 0.014
#1763 0.001
1880 #640 0.008
#1507 0.001