Popularity in Brazil (by decade)

1940 1950 1960 1970 1980 1990 4,700 3,760 2,820 1,880 940 1930 2000
    

Numbers

 Willan (masculine) 
 Year   Rank   Times Used 
2000 #656 1547
1990 #542 2612
1980 #856 1471
1970 - -
1960 - -
1950 - -
1940 - -
1930 - -