Modern invention, likely combining Jay and Alayna
Jalayna is a contemporary American name created by blending the prefix 'Ja-' with the popular name Alayna. It follows the 21st-century trend of rhythmic, multi-syllabic names ending in the 'ayna' sound, often chosen for its melodic quality.
Less common today
Jalayna isn't in the latest US Top 1000. It last peaked at #6,325 in 2015.
US births per 5-year period, 1990βpresent (SSA data).