Why Was The Gospel of Matthew Attributed to Matthew?

I have now gotten to a point where I can discuss why the four Gospels were specifically given the names of Matthew, Mark, Luke, and John. Recall the most important points of my preceding posts on the blog so far: the Gospels were all written anonymously and they circulated anonymously, for years and decades; we have no certain evidence that they – these particular Gospels — were called by their familiar names until around 180 CE, in sources connected with Rome (Irenaeus and the Muratorian Fra...