South Lyon, Michigan
city in southwestern Oakland County in the U.S. state of Michigan

South Lyon is a city in Oakland County in the U.S. state of Michigan. The population was 11,746 at the 2020 census, up from 11,327 at the 2010 census.
Geography
According to the United States Census Bureau, the city has a total area of 3.74 square miles (9.69 km2), of which 3.73 square miles (9.66 km2) is land and 0.01 square miles (0.03 km2) (0.27%) is water.
History
South Lyon was founded in 1832 and was called Thompson's Corners. In the same year, the surrounding township was named Lyon after Lucius Lyon, a member of the state legislature. The village was given a name for its location within the township. South Lyon was incorporated as a village in 1873 and as a city in 1930.
Three rail lines once passed through South Lyon. In the summer of 1871, the Detroit, Lansing, and Northern Railroad were built west from Plymouth on the way to Lansing and Ionia. In 1880, the predecessor to the Ann Arbor Railroad built a line into town from Ann Arbor.
“South Lyon, Michigan” enters the record as city in southwestern Oakland County in the U.S. state of Michigan. Crown Archives preserves that source wording while asking what South, Lyon and Michigan can confirm, complicate or overturn.
Why this record matters
“South Lyon, Michigan” is worth following because a concise public description often conceals a longer documentary argument. Here, South, Lyon and Michigan provides the most credible route into that argument.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Apr 24, 2026. The linked authority identifier is Q2498438. VIAF identifies the subject as 150117193. The Library of Congress control number is n82060978. Authority coordinates are 42.461, -83.652. 3 of 4 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020, 2010, 1832 and 1873.
Architectural summaries often privilege surviving fabric and can understate demolished phases, contested use or displaced communities. 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.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “South Lyon, Michigan”, its source revision and the description used here.
- Expand the search: follow South Lyon, Michigan primary sources, South Lyon, Michigan archive and South research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “South Lyon, Michigan”?
- Which earlier names or jurisdictions may reveal additional records?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “South Lyon, Michigan” 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.