Of the sun; lordly
Cylus is a modern spelling variant of the name Silas or Cyrus. If derived from Cyrus, it traces back to the Persian 'Kūrush', meaning 'sun' or 'young'. If linked to Silas, it stems from the Latin Silvanus, meaning 'of the forest'.
About 32 boys were named Cylus in 2025.
US births per 5-year period, 1990–present (SSA data).
