Popularity (masculine) in the United States (by decade)

1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 3,600 2,880 2,160 1,440 720 1880 2000
         

Numbers

 Thad (masculine) 
 Year   Rank   Times Used 
2000 - -
1990 - -
1980 - -
1970 #617 1791
1960 #556 1965
1950 #853 701
1940 #857 542
1930 #922 390
1920 #962 381
1910 #961 250
1900 #716 118
1890 #789 74
1880 #598 102