Pure and gracious
Kayliana is a modern American compound name, likely created by blending the name Kaylee or Kay with the suffix -liana. It combines the 'pure' meaning associated with Katherine and the 'gracious' or 'grace' meaning associated with Anna.
Less common today
Kayliana isn't in the latest US Top 1000. It last peaked at #2,478 in 2013.
US births per 5-year period, 1990βpresent (SSA data).