Tõhusaid
Tõhusaid is a surname of Estonian origin. It is a relatively uncommon surname, and its exact prevalence within Estonia is not widely documented in public records. As with many surnames, it may have originated from a place name, a personal characteristic, or an occupation. Research into Estonian etymology and surname databases would be required for a more precise understanding of its origins and historical usage. The surname is most likely to be found among individuals with Estonian heritage. Information regarding notable individuals bearing the surname Tõhusaid is not readily available in common biographical sources. Further genealogical research would be necessary to identify prominent figures from families with this surname. The meaning of the surname, if derived from a specific Estonian word, would contribute to understanding its historical context. However, without direct etymological confirmation, any interpretation remains speculative. The distribution of the surname within Estonia and among the Estonian diaspora would also be a subject for more in-depth demographic study.