Salvation
Jashua is a rare variant of the Hebrew name Joshua. It derives from the name Yehoshua, which combines the elements 'Yah' (referring to God) and 'yasha' (to save). While Joshua is a perennial classic, this specific spelling is much less common in the United States.
Less common today
Jashua isn't in the latest US Top 1000. It last peaked at #1,513 in 1990.
US births per 5-year period, 1990βpresent (SSA data).