Year of plenty or dawn
Toshia is a variant of the Japanese name Toshi or Toshiko, often meaning 'year of plenty' or 'clever.' In some contexts, it is also used as a diminutive of the Russian name Antonina or a variation of the name Tosha, which can mean 'dawn.'
Less common today
Toshia isn't in the latest US Top 1000. It last peaked at #3,634 in 1992.
US births per 5-year period, 1990βpresent (SSA data).