No, Yemenia has no scheduled flights out of Dublin. However, Yemenia does fly out of Cairo. There are also other airline options to choose from if you still want to book a flight from Dublin. Egypt Air, for example, is an airline that flies out of Dublin on a regular basis.
Cairo is the most popular airport that Yemenia serves, followed by Aden and Jeddah King Abdulaziz Intl.