The seventh child; or related to Lake Sevan
Sevana is a rare name with two primary roots. In an Armenian context, it is a feminine form derived from Lake Sevan, the largest body of water in the Caucasus. In other contexts, it is often used as a creative variant of Savanna or a feminine elaboration of the number seven.
Less common today
Sevana isn't in the latest US Top 1000. It last peaked at #8,342 in 2007.
US births per 5-year period, 1990βpresent (SSA data).