Weary or glad tidings
Leasha is a modern American variant likely derived from the Hebrew name Leah, meaning 'weary', or as a diminutive of Alicia, meaning 'noble'. It gained modest use in the late 20th century as parents experimented with phonetic spellings of traditional names.
Less common today
Leasha isn't in the latest US Top 1000. It last peaked at #6,697 in 1991.
US births per 5-year period, 1990βpresent (SSA data).