GiedriusmLithuanian Derived from Lithuanian giedras meaning "clear, serene".
Ningf & mChinese From Chinese 宁 (níng) meaning "peaceful, calm, serene", as well as other characters pronounced in a similar way.
SeijafFinnish Derived from Finnish seijas meaning "tranquil, serene".
SerenafEnglish, Italian, Late Roman From a Late Latin name that was derived from Latin serenus meaning "clear, tranquil, serene". This name was borne by an obscure early saint. Edmund Spenser also used it in his poem The Faerie Queene (1590). A famous bearer from the modern era is tennis player Serena Williams (1981-).
TyynefFinnish Derived from Finnish tyyni meaning "calm, serene".
YasenmBulgarian Means both "ash tree" and "clear, serene" in Bulgarian.