The crowned one; the joyful
A modern American creation, likely combining the popular prefix 'La-' with the name Tarsha, a diminutive of Natasha. Natasha itself is a Russian diminutive of Natalia, which refers to Christmas Day or the 'birthday of the Lord'.
Less common today
Latarsha isn't in the latest US Top 1000. It last peaked at #5,415 in 1990.
US births per 5-year period, 1990βpresent (SSA data).