December 8 is observed as the Feast of the Immaculate Conception of the Virgin Mary in Catholic tradition, making this date significant for those who bear the name in Argentina.
- Inés – From the Greek Hagnē, meaning pure or chaste. It is also associated with Saint Agnes, an early Christian martyr.
- Concepción – From Spanish, meaning conception. It refers directly to the Immaculate Conception of Mary, a central Catholic belief.
