In the world, タダス (Tadas 
, タダス 
) is quite a rare principally boy's, but very infrequently girly forename. The first name タダス is characteristic of Lithuania, where it is quite a common male name, Moldova, where it is quite a rare male name, and Ireland. Measured by absolute frequency, the name is most common in Lithuania, India, and the United Kingdom. More prevalently, タダス is the last name as well as the forename.