Eulogius’s name day is March 5, the feast of Eulogios and Eulampios.
Churches that follow the Old (Julian) Calendar keep the same feast on March 18 of the civil calendar. See everything commemorated on March 5.
The saint behind the name
Eulogios and Eulampios
March 5, Martyr, Ευλόγιος
Sts. Eulogios and Eulampios were martyrs of Palestine whose names the Greek synaxaria record together for March 5. Tradition relates that Eulogios, a Christian of Palestine, preached Christ boldly to the pagans and was beheaded, and that Eulampios also completed his witness by the sword.
Also celebrating on March 5
These names share the feast, many of them other forms of the same name:
What to say on a name day
The Greek wish is Χρόνια Πολλά (Chronia Polla), “many years.” A call or a short message on the day is what people remember. See name day wishes you can send and what a name day is.