Free or a variant of Sayer
Saire is a rare name likely derived from the Middle English 'Sayer', which functioned as an occupational surname for a professional reciter or a woodcutter. It may also be linked to the French word 'soier', meaning to saw. In some contexts, it is viewed as a creative variant of Cyrus or a phonetic spelling of the word 'Sire'.
Less common today
Saire isn't in the latest US Top 1000. It last peaked at #7,026 in 2020.
US births per 5-year period, 1990βpresent (SSA data).