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Timothy Costelloe

Australian Roman Catholic archbishop

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 11, 2026
Entity authorityQ2435155 ↗
Source-derived summary

Timothy John Costelloe, SDB (born 3 February 1954) is an Australian Catholic prelate who has served as Archbishop of Perth since 2012. He is a member of the Salesians of Don Bosco.

Life and ministry

Costelloe was born in Melbourne on 3 February 1954. Educated there at St Peter's East Bentleigh and Salesian College, Chadstone, he commenced teacher training at Christ College, Melbourne, before joining the Salesians of Don Bosco in 1977. He graduated from Christ College in 1978. Professed as a Salesian in 1985, Costelloe was ordained as a priest on 25 October 1986 by Archbishop Sir Frank Little in Melbourne.

After three years at Salesian College, Chadstone, he was transferred to Rome where he completed a Licentiate in Sacred Theology at the Salesian Pontifical University in 1991. On his return to Melbourne, Costelloe began lecturing in theology at Catholic Theological College in Melbourne. Transferred to Perth in 1996, Costelloe served as parish priest St Joachim's Victoria Park and lectured at the University of Notre Dame Australia, Fremantle. He completed his doctorate in theology from the Melbourne College of Divinity.

Editorial summary

Begin with the source’s own compact description: “Timothy Costelloe” is australian Roman Catholic archbishop. The dossier treats that line as a proposition to test through Timothy, Costelloe and Australian, not as a finished interpretation.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—1954, 2012, 1977, 1978—that can be checked directly. The linked authority record independently contributes the date 1954-02-03. For this dossier, Timothy, Costelloe and Australian is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “australian Roman Catholic archbishop” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 11, 2026. The linked authority identifier is Q2435155. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1954, 2012, 1977 and 1978.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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  2. Expand the search: follow Timothy Costelloe primary sources, Timothy Costelloe archive and Timothy research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

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Source & attribution

This entry incorporates text from “Timothy Costelloe” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.