Modern combination of Jay and Shayla
Jashayla is a contemporary American invention, likely created by blending the popular prefix 'Ja-' (often associated with names like Jay or Jada) with the name Shayla. Shayla itself is a variant of Sheila or an adaptation of the Arabic name Shaila, meaning 'little mountain'.
Less common today
Jashayla isn't in the latest US Top 1000. It last peaked at #7,146 in 2003.
US births per 5-year period, 1990βpresent (SSA data).