Unknown; possibly a blend or variant of Larissa
Tarissa is a rare modern name with no single established etymology. It is most likely a creative American blend of the name Tara, meaning 'hill' or 'star', and the Greek name Larissa, meaning 'citadel'. It may also be used as a variant of the Russian name Taisa or the Greek name Thais.
Less common today
Tarissa isn't in the latest US Top 1000. It last peaked at #6,173 in 1992.
US births per 5-year period, 1990βpresent (SSA data).