April 25
Why this day? Cio is a short form of Marcio, and shares its name day.
Cio is celebrated in Brazil on April 25; Argentina on August 16.
Cio is a short form of Marcio. It keeps its origin (Latin) and meaning — associado a Marte, deus romano da guerra, and shares its name day, April 25.
On birth records, Cio is rarely written as such: the Cios are Marcios (468,030 births). For the name's history, year-by-year popularity and famous bearers, read the Marcio page. Cio is also a short form of Horacio, Simplicio, Rocio.
Cio is a short form of Marcio, which means associado a Marte, deus romano da guerra.
April 25, together with Marcio: a short form shares the name day of the name it comes from.
It is a familiar short form. It does not appear as such in birth records, where you find Marcio.
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