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The name Cäcilia is the German form of the Latin name Caecilia, the feminine of the Roman family name Caecilius, derived from the Latin caecus, meaning blind. The name gained widespread use throughout Christian Europe through Saint Cecilia, a Roman martyr of the second or third century who became the patron saint of music and musicians. The German spelling with an umlaut reflects the phonological adaptation of the name into the German language. Related forms include Cecilia, Cecily, Cécile, and Celia.