Modern variation of Eileen, meaning bright or shining light
Yailene is a contemporary American creation, likely a phonetic blend of the name Eileen with the popular 'Ya-' prefix and '-lene' suffix found in Hispanic-American naming traditions. It shares the etymological roots of Eileen, which is an Irish form of Helen, signifying radiance.
Less common today
Yailene isn't in the latest US Top 1000. It last peaked at #6,067 in 1998.
US births per 5-year period, 1990βpresent (SSA data).