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Erin Thompson (politician)

South Australian politician

Correspondence, annotated notebooks and portrait silhouettes prepared for research
People and ideasInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 13, 2026
Entity authorityQ111304714 ↗
Source-derived summary

Erin Louise Thompson is an Australian politician. She has been a Labor Party member of the South Australian House of Assembly since the 2022 state election, representing Davenport. With a swing of 11.6 per cent, she defeated the Liberal Party member, Steve Murray, who had held the seat since 2018. Until the 2022 state election, Davenport had been held exclusively by Liberal Party members since its creation prior to the 1970 election. According to ABC election analyst Antony Green, prior to the 2022 election the frequent redistributions had little impact on the Liberal margin in Davenport, but there had been a slow narrowing between the Davenport results and the state-wide Liberal two-party-preferred vote.

Prior to her preselection, Thompson had served as elected mayor of the City of Onkaparinga, taking leave of absence to campaign for Davenport.

Personal life and career

Erin Louise Thompson attended St Clare's College in Canberra, and completed an Advanced Diploma of Tourism and Marketing and a Diploma in Management. She lives in Happy Valley, and formerly worked as a communications officer for the City of Unley. Thompson assisted former Unley mayor Lachlan Clyne with his unsuccessful campaign to win the seat of Badcoe for the Liberal Party in the 2018 state election.

Political career

Thompson was a candidate for mayor of the City of Onkaparinga in the 2018 South Australian local government elections, after the council – the largest in the state by population – was beset by financial and leadership issues in the previous term.

Editorial summary

“Erin Thompson (politician)” enters the record as south Australian politician. Crown Archives preserves that source wording while asking what Erin, Thompson and politician can confirm, complicate or overturn.

Editorial reviewA productive starting point for separating a subject’s documented career from later reputation and commemoration. The current lead gives the account dated anchors—2022, 2018, 1970—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Erin, Thompson and politician.
Editorial analysis

Why this record matters

“Erin Thompson (politician)” is worth following because a concise public description often conceals a longer documentary argument. Here, Erin, Thompson and politician provides the most credible route into that argument.

Evidence profile

Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Aug 13, 2026. The linked authority identifier is Q111304714. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2022, 2018 and 1970.

Critical limits

Public reputation and documentary evidence do not always develop together; absence from a summary is not evidence of historical absence. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.

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  1. Establish the record: confirm the title “Erin Thompson (politician)”, its source revision and the description used here.
  2. Expand the search: follow Erin Thompson (politician) primary sources, Erin Thompson (politician) archive and Erin 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.

Questions for further research

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Source & attribution

This entry incorporates text from “Erin Thompson (politician)” 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.