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Diocese of Ilagan
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Published by Catholic Social Ventures · compiled from public diocesan records · exported …
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The Diocese of Ilagan is a Latin Church diocese covering the province of Isabela in the Philippines. Erected in 1970, it is a suffragan of the Archdiocese of Tuguegarao and was sede vacante as of late 2025 following the departure of Bishop David William Antonio.
- Bishop
- David William Valencia Antonio
- Latin name
- Ilaganen(sis)
- Erected
- 31 January 1970
- Cathedral
- Cathedral of Saint Michael the Archangel (Gamu)
- Co-cathedral
- St. Ferdinand Co-Cathedral, Ilagan City
- Patron
- Saint Ferdinand of Castile and Our Lady of the Visitation of Guibang
- Rank
- Suffragan Diocese
- Rite
- Latin
- Province
- Tuguegarao (Archdiocese of Tuguegarao)
- Catholics
- 1,368,520
- Chancery
- Cathedral of St. Michael the Archangel Compound, Maharlika Highway, Brgy. Upi, Gamu, 3301 Isabela, Philippines
- Telephone
- Tel. [0917]508.5144
- [email protected]
Contact as printed in the Annuario Pontificio.
Neighbouring dioceses
- Diocese of Tabuk 58 km
- Diocese of Tuguegarao 61 km
- Diocese of Bayombong 99 km
- Diocese of Manila 107 km
- Diocese of Bangued 143 km
- Diocese of Baguio 152 km
Parishes near the see
- St. Clare · Guibang 2 km
- St. Rose of Lima · Gamu 3 km
- Our Lady of the Visitation · Luna 5 km
- St. John the Evangelist · Quirino 6 km
- Our Lady of Lourdes · San Manuel 6 km
- St. Joseph the Spouse · Naguilian 6 km
Official diocesan website →Wikipedia →Map →Linked data →
Sources: wikidata-p488 · Annuario code 001001651 · ontology v0.3.2 · updated 2026-06-08