July 24
Why this day? Dec is a short form of Declan, and shares its name day.
Dec is celebrated in the United States on July 24.
Dec is a short form of Declan. It keeps its origin (Irish (Gaelic)) and meaning — likely 'full of goodness' (uncertain), and shares its name day, July 24.
On birth records, Dec is rarely written as such: the Decs are Declans (43,586 births). For the name's history, year-by-year popularity and famous bearers, read the Declan page.
Dec is a short form of Declan, which means likely 'full of goodness' (uncertain).
July 24, together with Declan: 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 Declan.
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