Question asked by Sherid -
"When did infant baptism actually begin and why did it come about?"
Here are just a few thoughts on this matter:
"From patristic evidence, immersion, aspersion, or affusion would all seem to have been acceptable....from quite early times, the rite of baptism was variously administered..."
"The earliest baptistery that we presently know of is one which is found in the catacombs of Pontianus. It provides some evidence about the mode of baptism. The baptistery is hewn from the rock and measures 4.8 feet long by 3 feet wide by 3.5 feet deep. How is this significant? It is obviously too small for immersion. Above the baptistery is a fresco which depicts the Lord standing in the Jordan River, and the Holy Spirit descending in the form of a dove. In the picture, John is baptizing Jesus by pouring water on his head!"(New International Dictionary of Biblical Archaeology).
"No one is free from defilement, not even a day-old child. That is why there is in the Church a tradition, received from the apostles, in accordance with which baptism is conferred on little children. The guardians of the holy mysteries know that every man enters this world with a defilement which must be cleansed by water and the Spirit. That is why this body is called "body of sin," not that the soul already has another body, a body that has sinned... but because the soul has been placed in this body of sin and humiliation. He thus shows that by its birth in the flesh every soul contracts a stain of sin and iniquity.... Why should baptism for remission of sins be administered, as is the practice of the Church, even to little children? Undoubtedly, if in little children there was nothing that needs forbearance and pardon, the grace of baptism would be superfluous." - Origen (185-254 A.D.)
"Infants are baptized for the remission of sins. What sins? Whenever have they sinned? In fact, of course, never. And yet: 'No one is free from defilement.' (Job 14:4) But defilement is only put away by the mystery of baptism. That is the reason why infants too are baptized." - Origen
"For what is sin? Could a child who has only just been born commit a sin? And yet he has sin for which it is commanded to offer a sacrifice, as Job 14:4ff and Psalm 51:5-7 show. For this reason the Church received from the Apostles the tradition to administer baptism to the children also. For the men to whom the secrets of divine mysteries had been entrusted knew that in everyone there were genuine sinful defilements, which had to be washed away with water and the Spirit." - Origen
"And first baptize the little ones; and if they can speak for themselves, they shall do so; if not, their parents or other relatives shall speak for them." - Hippolytus' (170-236 A.D.)
"Should we wait until the eighth day as did the Jews in circumcision? No, the child should be baptized as soon as it is born." -Cyprian (215 - 258)
The 66 bishops of the Council of Carthage in 254 agreed and said: "We ought not hinder any person from Baptism and the grace of God..... especially infants. . . those newly born."
There is not one Early Church Father(excepting Tertullian) who denies or even questions the validity of infant baptism. It was in no locality and at no time viewed as something that was created after New Testament times.
Tertullian (160 - 215) Tertullian embraced Montanism in 207. Montanism denied the total corruption and sinfulness of human nature. Othewise known as original sin.
"Sinfulness begins at the puberty, of the soul, that is about the fourteenth year of life and it drives man out of the paradise of innocence." - Tertullian
I'd recommend you do your own research. Above all,study His Word,pray,and live in the Light of His Presence.
Also consider:
“I will not let water baptism be the rule, the door, the bolt, the bar, or the wall of division between the righteous and the righteous, between Christian and fellow Christian.” John Bunyan (credobaptist - believers baptism)
“Though they (believer baptists) may differ from us in some things of less moment, we are obliged not only to forbear but also to communion with them. For who shall refuse those whom Christ hath received. This and no other is the rule of our evangelical love. To require more is an unwarrantable imposition on their consciences.” John Owen (paedobaptist - infant baptism)