Biblical Characters: 1 character
John Mark (a.k.a. Marcus)   (m)   Acts 12:12  
Bishops of Rome and the Popes: 1 pope
Mark (a.k.a. Marcus)   336  
Coptic Popes and Patriarchs of Alexandria: 1 pope
Mark the Evangelist (a.k.a. Marcus)   c. 30-c. 61  
Fictional Characters from Books: 1 character
Marcus Cooley   2007   Thirteen Reasons Why  
Fictional Characters from Television: 7 characters
Marcus Taylor   1987   Tour of Duty  
Mark Taylor   1991   Home Improvement  
Marcus Henderson   1997   Smart Guy  
Marcus Dixon   2001   Alias  
Marcus Turner   2001   McLeod's Daughters  
Marc St. James   2006   Ugly Betty  
Marcus Cole   2017   13 Reasons Why  
Hall-of-Famers: 1 football
(football) Marcus Allen   2003  
Harry Potter Characters: 1 character
Marcus Flint  
Most Valuable Players: 1 winner
Marcus Allen   1985   football  
Notable Activists and Revolutionaries: 1 political activist
(political activist) Marcus Garvey   1887-1940  
Notable Actors and Entertainers: 2 actors
Marcus Giamatti   1961-  
Marc Blucas   1972-  
Notable Artists: 1 architect
Vitruvius (a.k.a. Marcus)   c. 80-c. 15 BC  
Notable Athletes: 3 soccer, 2 tennis, 1 driving, 1 football
(soccer) Marcus Berg   1986-  
(soccer) Marcus Olsson   1988-  
(tennis) Marcus Daniell   1989-  
(driving) Marcus Ericsson   1990-  
(tennis) Marcus Willis   1990-  
(football) Marcus Mariota   1993-  
(soccer) Marcus Rashford   1997-  
Notable Businesspeople: 1 businessperson
Marcus Goldman   1821-1904  
Notable Military Figures: 4 generals
Marcus Licinius Crassus   c. 115-53 BC  
Marcus Aemilius Lepidus   c. 88-c. 12 BC  
Marcus Antonius   83-30 BC  
Marcus Vipsanius Agrippa   c. 63-12 BC  
Notable Philosophers and Thinkers: 1 philosopher
Marcus Aurelius   121-180  
Notable Politicians and Statespeople: 6 statespersons
Marcus Licinius Crassus   c. 115-53 BC  
Cicero (a.k.a. Marcus)   106-43 BC  
Cato the Younger (a.k.a. Marcus)   95-46 BC  
Marcus Aemilius Lepidus   c. 88-c. 12 BC  
Marcus Junius Brutus   85-42 BC  
Marcus Antonius   83-30 BC  
Notable Writers: 2 authors, 2 poets
Marcus Terentius Varro   116-27 BC  
Quintilian (a.k.a. Marcus)   35-100  
Lucan (a.k.a. Marcus)   39-65  
Martial (a.k.a. Marcus)   40-102  
Olympic Medalists: 2 bronze, 2 gold, 2 silver, 1 gold/silver
(bronze) Marcus Vinícius Dias   1948   basketball  
(gold) Marc Frieberger   1952   basketball  
(bronze) Marcus Mattioli   1980   swimming - 4x200 m freestyle relay  
(gold) Marcus Jensen   2000   baseball  
(gold/silver) Marcus Hellner   2010; 2014   cross-country skiing  
(silver) Marcus Krüger   2014   ice hockey  
(silver) Marcus Johansson   2014   ice hockey  
Roman and Byzantine Emperors: 25 emperors
Emperor Marcus Salvius Otho   69  
Emperor Marcus Cocceius Nerva   96-98  
Emperor Marcus Ulpius Nerva Trajanus   98-117  
Emperor Marcus Marcus Aurelius Antoninus   161-180  
Emperor Lucius Aurelius Commodus Antoninus (a.k.a. Marcus)   177-192  
Emperor Marcus Didius Severus Julianus   193  
Emperor Marcus Opellius Macrinus   217-218  
Emperor Marcus Aurelius Severus Alexander   222-235  
Emperor Marcus Antonius Gordianus Sempronianus Romanus Africanus   238  
Emperor Marcus Antonius Gordianus Sempronianus Romanus Africanus   238  
Emperor Marcus Clodius Pupienus Maximus   238  
Emperor Marcus Antonius Gordianus Pius   238-244  
Emperor Marcus Julius Philippus   244-249  
Emperor Marcus Aemilius Aemilianus   253  
Emperor Marcus Aurelius Claudius   268-270  
Emperor Marcus Aurelius Claudius Quintillus   270  
Emperor Marcus Claudius Tacitus   275-276  
Emperor Marcus Annius Florianus   276  
Emperor Marcus Aurelius Probus   276-282  
Emperor Marcus Aurelius Carus   282-283  
Emperor Marcus Aurelius Numerius Numerianus   283-284  
Emperor Marcus Aurelius Carinus   283-285  
Emperor Marcus Aurelius Valerius Maximianus   286-305  
Emperor Marcus Flavius Valerius Constantius   305-306  
Emperor Marcus Aurelius Valerius Maxentius   306-312  
Saints: 3 saints
Saint Mark the Evangelist (a.k.a. Marcus)   c. 5-68  
Saint Marcus   ?-286  
Saint Mark (a.k.a. Marcus)   ?-336  
Shakespearian Characters: 9 characters
Marcus Andronicus   Titus Andronicus  
Cicero (a.k.a. Marcus)   Julius Caesar  
Lepidus (a.k.a. Marcus)   Antony and Cleopatra; Julius Caesar  
Brutus (a.k.a. Marcus)   Julius Caesar  
Mark Antony (a.k.a. Marcus)   Antony and Cleopatra; Julius Caesar  
Young Cato (a.k.a. Marcus)   Julius Caesar  
Messala (a.k.a. Marcus)   Julius Caesar  
Agrippa (a.k.a. Marcus)   Antony and Cleopatra  
Scarus (a.k.a. Marcus)   Antony and Cleopatra