Clement (~200)
n“Again in the same books, Clement gives a tradition of the early presbyters concerning the order of the Gospels in the following manner: He said that those Gospels which contain the genealogies were written first; but the Gospel according to Mark had this occasion…  Last of all, John…”
nOutlines; cited in Eusebius 6.14.5
nNote the chronological order seems to differ from Irenaeus’.