You may find this information helpful:
There are a few early extant copies of the Bible containing the Gospel of Mark which do NOT include the Long Ending of Mark 16:9-20:
Codex Sinaiticus and Codex Vaticanus—-300’s.
Syriac Sinaitucus—late 300’s
Codex Bobiensis—c. 300-400’s
Armenian Version Manuscript—411-450
Miniscule 304—1100’s
There are, however, very early evidences for the inclusion of Mark 16:9-20 which precede in time the above Bibles from the 300’s to 1100’s by several hundred years.
Irenaeus (c. 130-202), a very early writer, was a Christian theologian and minister who spent his adult life defending orthodoxy and fighting heresies, writes in
Against Heresies 3.10.6:“Also, towards the conclusion of his Gospel Mark says: ‘So then, after the Lord Jesus had spoken to them, He was received up into heaven, and sits on the right hand of God’ (Mark 16:19) confirming what had been spoken by the prophet: ‘The Lord said to my Lord, Sit on My right hand, until I make Your foes Your footstool.’ (Psalm 110:1) Thus God and the Father are truly one and the same; He who was announced by the prophets, and handed down by the true Gospel; whom we Christians worship and love with the whole heart, as the Maker of heaven and earth, and of all things therein.”
Clearly Irenaeus, living about 200 years before Sinaiticus or Vaticanus were copied, KNEW the Long Ending of Mark and quotes a verse from it.
Justin Martyr (c. 100-165), one of the first and best apologists for the faith, in his
First Apology uses words in Mark 16:20 as a fulfillment of Messianic prophecy in his examination of Psalm 110. His pupil
Tatian the Syrian (c.120-180), writer and theologian, in his
Diatessaron (
Harmony of the Gospels) incorporates material from all the four Gospels and includes Mark 16:9-20.
Hippolytus (170-235 A.D.) was a contemporary of Irenaeus. He was bishop of Portus near Rome from 190-227 A.D. In his writings in one of the fragments he quotes Mark 16:17,18 and when speaking of Christ has reference to Verse 19.
Irenaeus, Justin, Tatian and Hippolytus were very early Christian men (100’s) who were born and raised when some who had heard/seen Jesus as youngsters or teens and some of the Seventy Disciples were still alive. It is very persuasive that all four of them, born in the 100’s AD, KNEW AND CITED the Long Ending of Mark, the ending that has been traditionally in the New Testament.
The book by Irenaeus quoting Mark 16:19 is OLDER than the earliest manuscripts we have of the Gospel of Mark. These four attestations of the Long Ending being included in Mark pre-date any edition of any other early Bibles.
Writers in the 200’s long before the Codex Vaticanus, also, used the Longer Ending of Mark:
Porphyry (234-305 AD) did and in the
De Rebaptismate (
On Re-baptism) by an unknown author included The Longer Ending. The other manuscripts and fragments of Mark 16:9-20 being extant and used over the early centuries are too numerous to mention. In the c. 300’s or earlier in the
Calendar of Greek Church lessons they used Mark 16:9-20 as the verses to be read on Ascension Day and on St. Mary Magdalene’s Day.
Vincentius (died c. 304 AD), Bishop of Thibori, at the 7th Council of Carthage held under Cyprian in 256 in the presence of the 87 assembled African bishops, quoted Mark 16:17,18 which was recorded in the minutes.
Ambrose (374-397 A.D.), Archbishop of Milan, quoted from the Long Ending of Mark’s Gospel. In the late 300’s Ambrose cites Mark’s Gospel verse 15 some 4 times: Verses 16, 17, 18 each 3 times: Verse 20 once.
Jerome (331–420 A.D.). At the request of Pope Damasus I for a Latin revision of the Bible, Jerome produced the official Catholic version of the Bible called the Latin Vulgate. Jerome consulted several manuscripts, all of which contained the The Long Ending. His confirmation of Mark 16:9-20 is seen in the Vulgate….
As can be seen, The Long Ending in Mark included in Mark’s Gospel the verses 16: 9-20 for hundreds of years in the Early Church. This is a strong refutation of “scholarly speculations” 1,600 years AFTER Mark wrote his Gospel.—
Sandra Sweeny Silver https://earlychurchhistory.org/beliefs-2/long-or-short-ending-in-mark/