Baby Names Boy Names Meaning of the Name Marcos Updated November 16, 2025 by Jennifer M. Marcos Gender: Male Origin: Portuguese Meaning: Of Mars ♥ Add to my Namelist What is the meaning of the name Marcos? The name Marcos is primarily a male name of Portuguese origin that means Of Mars. People who like the name Marcos also like: Sebastian, Liam, Benjamin, Dominic, Lucas, Marco, Jacob, Alyssa, Abigail, Isabella, Sofia, Gianna, Alexandra, Ariana Names like Marcos: Maruca, Manric, Miraj, Marco, Morag, Marius, Margie, Mercy, Markia, Mariska, Murasaki, Marijke, Morse, Marja, Marquez, Morocco, Markie, Marija, Mirza, Manrico, Margo, Murcia, Marquise, Marceau, Marci, Meris, Morris, Marisha, Merike, Marques Stats for the Name Marcos Marcos is currently not in the top 100 on the Baby Names Popularity Charts Marcos is currently #482 in U.S. births