Popularity in Brazil (by decade)

1940 1950 1960 1970 1980 1990 20,000 16,000 12,000 8,000 4,000 1930 2000
    

Numbers

 Isaque (masculine) 
 Year   Rank   Times Used 
2000 #130 17599
1990 #278 7016
1980 #371 4708
1970 #549 2253
1960 #556 1744
1950 #675 896
1940 #880 402
1930 - -