Combination of Rai and Anna; likely grace or queen
Raianna is a modern American coinage, likely created by blending the prefix Rai- with the classic name Anna. While its exact etymology is fluid, it often draws from the Japanese 'rai' (thunder) or the Hebrew 'anna' (grace), or serves as a variant of the name Rayna, meaning 'queen'.
Less common today
Raianna isn't in the latest US Top 1000. It last peaked at #10,487 in 2000.
US births per 5-year period, 1990βpresent (SSA data).