Marcas is the Irish and Scottish Gaelic form of Mark, which itself ultimately derives from the Latin name Marcus. The name Marcus is of uncertain etymology, but may be related to the Roman god Mars, or to the Latin word mas meaning 'male' or 'manly'. Etymology and History In Irish, Marcas (genitive Marcais) is used as a given name equivalent to Mark or Marcus. It is the name of the Evangelist Mark (Naomh Marcas), author of the second gospel in the New Testament according to tradition. The Gospel of Saint Mark is known in Irish as Soiscéal Mharcais. The name was introduced to Ireland via Latin, likely through early Christian missionaries, and became established in Gaelic-speaking regions. In Scottish Gaelic, Marcas serves the same purpose, though it is less common than the English derivative. The name appears in medieval Irish and Scottish records, often in religious contexts, marking figures tied to Christianity. Cultural and Religious Significance Saint Mark is the patron saint of Venice, and his symbol is the winged lion. In Irish tradition, the feast day of Naomh Marcas on April 25 is remembered, though not as prominent as that of Saint Patrick. The name Marcas has been used by both Catholics and Protestants in Ireland, and it remains in occasional use today as a nod to Gaelic heritage. Related Names and Variants Across languages, Marcas has equivalents such as Marcus (Swedish), Markos (Greek), Marko (Ukrainian), Marc (Welsh), and Margh (Cornish). The root name Mark has been borne by notable historical figures including Mark Antony (Marcus Antonius), the Roman politician, and American author Mark Twain, whose birth name was Samuel Clemens. The name's journey from ancient Rome to the Gaelic world reflects the spread of Christianity. Meaning: Likely derived from Marcus, possibly meaning 'pleasing to Mars' or 'anvient shrine of Mavors'. Origin: Irish and Scottish Gaelic form of Latin Marcus. Type: First name for males. Usage regions: Ireland and Scotland, with some use in the worldwide Irish diaspora.