My oath
Elizandra is a modern elaboration of Elizabeth, likely influenced by the Portuguese and Spanish suffix -andra. It combines the traditional Hebrew roots of Elizabeth with a more rhythmic, melodic ending found in names like Alexandra.
Less common today
Elizandra isn't in the latest US Top 1000. It last peaked at #11,214 in 2016.
US births per 5-year period, 1990βpresent (SSA data).