Modern American creation, likely combining Ty with the suffix -shae.
Tyshae is a contemporary American name without a singular historical etymology. It is likely a rhythmic blend of the prefix 'Ty-' (often found in names like Tyra or Tyler) and the popular phonetic suffix '-shae' or '-shay'. As a modern invention, its meaning is often associated with the individual identity of the bearer rather than ancient roots.
Less common today
Tyshae isn't in the latest US Top 1000. It last peaked at #4,608 in 1998.
US births per 5-year period, 1990βpresent (SSA data).