These “sources” Catholics like to imply early Christians believed concerning Mary as well as the early life of Jesus are actually gnostic writings which appeared much much later (tenth century or later). See:
http://www.earlychristianwritings.com/infancythomas.html
http://www.earlychristianwritings.com/infancyjames.html
Thank you for the links. If the Apostels did not teach this Amriology and the direct students of the Apostles while they were alive did not teach these myths, well ...