Why Mormonism and Catholicism are More Similar than You Think

Introduction

The Church of Jesus Christ of Latter-day Saints and Roman Catholicism may seem fundamentally different at first examination, yet structural and theological commonalities exist beneath surface-level distinctions. While doctrinal differences persist regarding God’s nature and historical claims, both traditions share comparable approaches to ecclesiastical organization, ritual practice, and ongoing spiritual guidance.

This analysis identifies four primary areas of convergence: the centrality of formal religious authority, the essential role of sacred rites, hierarchical governance through singular leadership, and mutual rejection of biblical-alone doctrine.

1. Commitment to Formal Ecclesiastical Authority

Both traditions maintain that God transmits religious authority through ordination rather than democratic processes or individual interpretation.

Catholicism grounds this authority in apostolic succession—the continuous transmission of Christ’s authorization through bishops. The LDS faith teaches that authority originally held by apostles was lost through historical apostasy, then divinely restored.

Despite differing historical narratives, both systems reserve sacred administrative functions for ordained clergy. As noted in comparative analysis, priesthood authority in both churches functions to “teach, govern and sanctify” communities. This distinction between ordained clergy and lay membership characterizes both faiths.

2. Ordinances and Sacraments as Essential to Salvation

Sacred rituals constitute mandatory spiritual practices in both traditions, not optional expressions of belief.

Catholicism recognizes seven sacraments—including baptism, Eucharist, and confirmation—as divinely instituted channels of grace. Mormonism similarly emphasizes saving ordinances including baptism, confirmation, and temple ceremonies as spiritually transformative and salvifically necessary.

Both traditions require that authorized priesthood holders administer these rites correctly. While timing differs—Catholic infant baptism versus LDS baptism at age of accountability—both traditions view baptism as essential preparation for redemption.

3. Centralized Leadership and Hierarchical Structure

Organizational parallel structures reflect shared theological convictions about divinely ordained unity.

The Catholic Church functions under papal authority, with the Pope as supreme leader supported by cardinals, bishops, and priests arranged hierarchically. The LDS Church operates under a President sustained as prophet and revelator, assisted by First Presidency counselors and the Quorum of Twelve Apostles.

Both systems position spiritual leadership as more than administrative—leaders serve as shepherds guiding the faithful. This hierarchy facilitates worldwide doctrinal consistency and organizational cohesion.

4. Rejection of Sola Scriptura

Neither tradition accepts biblical-only authority for doctrine and practice.

Catholic theology interprets scripture within sacred tradition and ecclesiastical teaching authority. LDS doctrine acknowledges open canon principles and contemporary prophetic guidance, since “there is no final revelation” in Mormon theology.

While Catholicism prioritizes traditional continuity and Mormonism emphasizes restoration through modern revelation, both allow ongoing divine communication beyond biblical texts.

A Shared Vision of the Church as a Divine Institution

Beyond specific doctrinal similarities lies a unifying perspective: both regard the Church as divinely guided institution, not merely voluntary association.

Catholics describe the Church as “communion of saints” animated by the Holy Spirit. Latter-day Saints view their faith as Christ’s restored church, complete with contemporary apostles and prophetic guidance.

Salvation in both traditions requires participation in divinely established community structures and authorized ritual practices.

Appreciating Similarities Without Ignoring Differences

Real theological divergences remain regarding God’s nature, the Trinity, and each tradition’s historical claims. However, recognizing commonalities fosters interfaith respect and cooperation without requiring doctrinal compromise.

Scholars and leaders from both traditions have encouraged such mutual understanding, emphasizing collaborative potential.

Fostering Religious Tolerance and Collaboration

Though distinct in numerous respects, Mormonism and Catholicism share substantial foundational principles regarding authority, community, and divine guidance. Recognizing these parallels invites generous perspective transcending sectarian divisions, particularly in contexts marked by religious polarization.