Blind; sixth
Cylis is a modern phonetic spelling variant of Silas or Cecil. If derived from Silas, it shares roots with the Latin Silvanus, meaning 'of the forest'. If linked to Cecil, it stems from the Roman family name Caecilius, meaning 'blind'.
About 15 boys were named Cylis in 2025.
US births per 5-year period, 1990–present (SSA data).