Popularity in Brazil (by decade)

1940 1950 1960 1970 1980 1990 25,000 20,000 15,000 10,000 5,000 1930 2000
    

Numbers

 Jefferson (masculine) 
 Year   Rank   Times Used 
2000 #219 8029
1990 #123 21869
1980 #147 16123
1970 #262 6135
1960 #504 1993
1950 - -
1940 - -
1930 - -