Books

• Mark M. Gray and Mary L. Gautier. Primary Trends, Challenge, and Outlook: A Report on Catholic Elementary Schools, 2000-2005. Washington DC: National Catholic Educational Association, 2006.

Articles in journals

• Mark M. Gray and Melissa A. Cidade. "Catholicism on Campus: Stability and Change in Catholic Student Faith by College Type." Catholic Education: A Journal of Inquiry and Practice 14.2 (2010): 212-237.
• Mark M. Gray. "Promising Parties: Can parties in government still deliver?." European Review 16.3 (2008): 305-313.
• Mark M. Gray. "The Impact of Religious Switching and Secularization on the Estimated Size of the U.S. Adult Catholic Population." Review of Religious Research 49.4 (2008): 457-460.
• Mark M. Gray. "Catholic Media Use in the United States." Review of Religious Research 48.4 (2007): 437-438.
• Paul M. Perl and Mark M. Gray. "Catholic Schooling and Disaffiliation from Catholicism." Journal for the Scientific Study of Religion 46.2 (2007): 269-280.
• Mark M. Gray, Miki Caul Kittleson, and Wayne Sandholtz. "Women and Globalization: A Study of 180 Countries, 1975-2000." International Organization 57.4 (2006): 761-800.
• Mark M. Gray, Paul M. Perl and Mary E. Bendyna. "Camelot Only Comes but Once? John Kerry and the Catholic Vote." Presidential Studies Quarterly 36.2 (2006): 203-22.
• Paul M. Perl, Jennifer Z. Greely, and Mark M. Gray. "What Proportion of Adult Hispanics Are Catholic? A Review of Survey Data and Methodology." Journal for the Scientific Study of Religion 45.3 (2006): 419-36.
• Mark M. Gray and A Wuffle. "Vindicating Anthony Downs." PS: Political Science & Politics (2005): 737-40.
• Mary Gautier and Mark M. Gray. "Understanding the Ministry and Experience: Parish Life Coordinators in the United States." Review of Religious Research 47.2 (2005): 197-202.
• Mark M. Gray. "Self-Reported Mass Attendance of U.S. Catholics Unchanged Since 2000." Review of Religious Research 46.4 (2005): 425-426.
• Wayne Sandholtz and Mark M. Gray. "International Integration and National Corruption." International Organization 57.4 (2003): 761-800.
• Mark M. Gray and Miki Caul. "Declining Voter Turnout in Advanced Industrial Democracies 1950-1997: The Effects of Declining Group Mobilization." Comparative Political Studies 33 (2000): 1091-1122.

Articles in books

• Mark M Gray. "Epilogue: The Growing Influence of the Latino Catholic Vote." Blessing La Política: The Latino Religious Experience and Political Engagement in the United States. Ed. Carlos Vargas-Ramos and Anthony M. Stevens-Arroyo. Santa Barbara, CA: Praeger Publishers, 2012.
• Mark M. Gray and Mary L. Gautier. "U.S. Catholicism at the Dawn of the Millennium." The Official Catholic Directory, 2011. Ed. Robert Docherty and Jeanne Hanline. Berkeley Heights, NJ: P.J. Kennedy & Sons, 2011, 2011: 25-30
• Gautier, Mary L. and Mark M. Gray. "Catholic Charities in the Last Four Decades: A Statistical Overview." Catholic Charities USA: 100 Years at the Intersection of Charity and Justice. Ed. Rev. J. Bryan Hehir. Collegeville, MN: Liturgical Press, 2010.
• Mark M. Gray. "Introduction." Parish Life Coordinators: Profile of an Emerging Ministry. Ed. Kathy Hendricks. Chicago: Loyola Press, 2009: vii-xi
• Mark Gray. "Anthony Downs." Encyclopedia of Urban Studies. Ed. Ray Hutchison. Thousand Oaks, CA: Sage, 2009.
• Mark M. Gray and Mary E. Bendyna. "Between Church, Party, and Conscience: Attitudes Concerning Protecting Life and Promoting Social Justice among U.S. Catholics." Catholics and Politics. Ed. Kristen Heyer, Michael Genovese, and Mark J. Rozell. Washington D.C.: Georgetown University Press, 2008.
• Mark M. Gray and Mary L. Gautier. "Latino Catholic Leaders in the United States." Emerging Voices, Urgent Choices: Essays on Latino/a Religious Leadership. Ed. Edwin Hernandez, Milagros Pena, Keneth G. Davis and Elizabeth Station. Leiden, The Netherlands: Brill Academic Press, 2006.
• Wayne Sandholtz and Mark M. Gray. "International Determinants of National Corruption Levels." Global Corruption Report 2005. Ed. Diana Rodriguez, Gerard Waite, and Toby Wolfe. London: Transparency International, 2005.
• Russell Dalton and Mark M. Gray. "The Expanding Electoral Marketplace." Democracy Transformed? . Ed. Bruce Cain, Russell Dalton and Susan Scarrow. Oxford: Oxford University Press, 2004.
• Miki Caul and Mark M. Gray. "From Platform Declarations to Policy Outcomes: Changing Party Profiles and Partisan Influence Over Policy." Parties Without Partisans: Political Change in Advanced Industrial Democracies. Ed. Russell Dalton and Martin Wattenberg. Oxford: Oxford University Press, 2000.

Op eds

• Mark M. Gray. "Facing a Future of Fewer Catholic Priests." Our Sunday Visitor Newsweekly 17 Jun. 2010: .
• Mark M. Gray. "Statistics and the New Media." CHURCH Magazine 2009: .
• Mark M. Gray. "Catholic Use of the Internet." Family Perspectives Journal 2009: .
• Mark Gray. "Data about Disabilities." CHURCH Magazine 2009: .
• Mark M. Gray. "Obama Lost Catholic Votes in Some States Where Bishops Spoke Out." Our Sunday Visitor Newsweekly 23 Nov. 2008: .
• Mark M. Gray and Joseph Claude Harris. "A Phantom Crisis." America 21 Jul. 2008: .

Book reviews

• Mark M. Gray. "Politics in the Parish: The Political Influence of Catholic Priests (Gregory Allan Smith 2008)." Politics and Religion 3.3 (2010): 651-653.
• Mark M. Gray. "International Priests in America: Challenges and Opportunities (Dean R. Hoge and Aniedi Okure 2006)." American Catholic Studies 118.1 (2007): 73-75.

Other

• Mark M. Gray and Mary L. Gautier. 2011. "Catholic Media Use in the United States." Washington DC: Center for Applied Research in the Apostolate at Georgetown University.
• Mark M. Gray, Mary L. Gautier, and Melissa A. Cidade. 2011. "The Changing Face of U.S. Catholic Parishes." Washington DC: Center for Applied Research in the Apostolate at Georgetown University.
• Mark M. Gray and Mary L. Gautier. 2010. "An Evaluation of Dismas Ministry by Inmates and Correctional Ministers." Washington DC: Center for Applied Research in the Apostolate at Georgetown University.
• Mark M. Gray and Melissa A. Cidade. "Catholicism on Campus: Stability and Change in Catholic Student Faith by College Type." CARA Working Paper #9, February 2010.
• Mark M. Gray and Paul M. Perl. 2008. "Sacraments Today: Belief and Practice among US. Catholics." Washington DC: Center for Applied Research in the Apostolate at Georgetown University.
• Mark M. Gray, Paul M. Perl, and Tricia C. Bruce. 2007. "Marriage in the Catholic Church: A Survey of U.S. Catholics." Washington DC: Center for Applied Research in the Apostolate at Georgetown University.
• Mark M. Gray and Paul Perl. “Catholic Reactions to the News of Sexual Abuse Cases Involving Catholic Clergy.” CARA Working Paper #8, April 2006.
• Mark M. Gray and Mary L. Gautier. “Profile of the Diaconate in the United States: A Report of Findings from CARA’s Deacon Poll.” CARA Working Paper #6, January 2004.
• Mark M. Gray. "In the Midst of Fellows: The Social Context of the American Turnout Decision" (Ph.D. Dissertation, University of California, Irvine, 2003).