Christian Denominations Explorer

Origins, Theology & Fidelity to the Early Church Fathers

This guide examines major Christian traditions — their origins, core distinctives, and how closely selected teachings align with the writings of the Early Church Fathers (Ignatius, Irenaeus, Cyprian, Tertullian, Ambrose, Augustine, and others, c. AD 100–450).
Filter by overall patristic agreement:
Patristic agreement — evaluated separately for each issue ◆ Substantial agreement △ Limited patristic alignment ◐ Mixed, qualified, or disputed ? Research incomplete Evidence strength 🟢 Strong 🟡 Moderate / disputed 🔴 Weak ⚪ Research incomplete Citation types P Primary source D Official teaching S Scholarship

At-a-Glance Comparison

Issue-by-issue qualitative comparison; evidence strength is shown in each denomination's detailed assessment

Denomination Founded Founder Eucharist Bishops Baptism Tradition Means of Salvation True Christians can be apostate Purgatory Overall patristic agreement
This comparison is made in good faith for educational purposes. All Christians share the core creedal faith in the Trinity, the Incarnation, and salvation through Christ. Reasonable scholars disagree on historical interpretation. Consult each tradition's official teaching for its fuller account.