Roman Catholic Diocese of Ilagan

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Diocese of Ilagan

Dioecesis Ilaganensis

Diyosesis ng Ilagan
Diócesis de Ilagán
Country Philippines
Ecclesiastical provinceTuguegarao
Area10,664 km2 (4,117 sq mi)
- Total
- Catholics
(as of 2006)
1,060,689 (79.3%)
DenominationRoman Catholic
Sui iuris churchLatin Church
RiteRoman Rite
Established21 January 1970
CathedralCathedral of Saint Michael the Archangel in Gamu, Isabela
Co-cathedralSaint Ferdinand Parish Church in Ilagan City, Isabela (former seat of the Diocese)
Patron saintSaint Ferdinand of Castile, Our Lady of the Visitation of Guibang, and Saint Michael the Archangel
Current leadership
BishopMost Rev. David William V. Antonio, D.D.
Metropolitan ArchbishopMost Rev. Sergio L. Utleg, D.D.
Emeritus BishopsJoseph Amangi Nacua, O.F.M. Cap., D.D. (resigned on February 25, 2017)
Website of the Diocese

The Roman Catholic Diocese of Ilagan (Lat: Dioecesis Ilaganensis) is a diocese of the Latin Church of the Catholic Church in the Philippines.

Established in 1970, the diocese is a suffragan of the Roman Catholic Archdiocese of Tuguegarao.

The diocese had no jurisdictional changes. The seat of the diocese used to be located in Saint Ferdinand Parish Church in Ilagan City before being transferred to the Cathedral of Saint Michael the Archangel in Gamu, Isabela, in 2013.[1]

As of November 2018, the diocese is sede vacante as they await the installation of newly-appointed bishop, David William Antonio.


  • Msgr. Ricardo Jamias, D.P., S.T.L. (Appointed as the first Vicar General under the Diocese of Tuguegarao)
  • Most Rev. Francisco Raval Cruces (4 March 1970 – 22 August 1973, appointed Archbishop of Zamboanga)
  • Most Rev. Miguel Gatan Purugganan, D.D. (21 January 1974 – 26 July 1999, resigned)
  • Most Rev. Sergio Lasam Utleg, D.D. (26 July 1999 – 13 November 2006, appointed Bishop of Laoag)
  • Rt. Rev. Msgr. Marino D. Gatan, H.P. (Appointed as Diocesan Administrator in 2007 - 2008)
  • Most Rev. Joseph Amangi Nacua, O.F.M. Cap. (10 June 2008 – 25 February 2017, resigned)
  • Most Rev. Prudencio P. Andaya, CICM, D.D. (Appointed as Diocesan Administrator in 2017 - 2018)

See also[edit]


  1. ^ Darang, Josephine (September 22, 2013). "Pope Francis transfers episcopal seat of Diocese of Ilagan to Gamu, Isabela". Philippine Daily Inquirer. Retrieved November 15, 2018.

Coordinates: 17°08′56″N 121°53′21″E / 17.1490°N 121.8891°E / 17.1490; 121.8891