Main Page | See live article | Alphabetical index Marcus was pope in the year 336. He is said to have been a Roman, but little is known of his early life. He was consecrated on January 18, 336, and died October 7, 336. Preceded by: Pope Sylvester I List of popes Succeeded by: Pope Julius I This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.