According to the Liber Pontificalis, Marcellinus was buried on 26 April 304 in the cemetery of Priscilla, on the Via Salaria, 25 days after his martyrdom; the Liberian Catalogue gives as the date 25 October.
Ifølge Liber Pontificalis blev Marcellinus begravet 26. april 304 på Priscillas kirkegård ved Via Salaria 25 dage efter sit martyrium; Det Liberiske Katalog sætter datoen til 25. oktober.