Catholic Diocese of Arlington Email Format

Religious InstitutionsVirginia, United States201-500 Employees

Based in Arlington, Virginia, the Catholic Diocese of Arlington is a regional religious institution that coordinates worship, evangelization, and charitable activities in Northern Virginia. Founded in 1974, it serves more than 400,000 registered Catholics across 21 counties through 70 parishes, making it one of the larger dioceses in the United States. The organization operates within the religious institutions sector and sustains its regional programs with a staff described as several hundred. 

Its primary constituency comprises local Catholic communities seeking worship, formation, and social outreach. As one of the fifty largest U.S. dioceses, it coordinates education, liturgy, and charitable efforts across its network. In March 2026, the diocese announced the appointment of Jonathan D. Brand as Head of School for Bishop Denis J. O'Connell High School, effective July 1, 2026.

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