Dana-Thomas House — in Springfield [FACT-0430]; designed by Frank Lloyd Wright [FACT-0431]; built in 1904 [FACT-0432]; in the Prairie School style [FACT-0433].
Location: Springfield, Illinois, United States
Verified facts
- Located in Springfield, Illinois
confidence 70/100 · 2 independent sources · SRC-0391, SRC-0392 - Designed by Frank Lloyd Wright
confidence 85/100 · 3 independent sources · SRC-0391, SRC-0392, SRC-0393 - Built in 1904
confidence 70/100 · 2 independent sources · SRC-0392, SRC-0393 - Architectural style: Prairie School
confidence 70/100 · 2 independent sources · SRC-0392, SRC-0393 - Historic designation: National Historic Landmark; National Register of Historic Places
confidence 75/100 · 3 independent sources · SRC-0392, SRC-0394, SRC-0484
Evidence & sources
- SRC-0391 — Illinois Department of Natural Resources (Historic Sites) (Tier 1, official_archive; retrieved June 2026)
- SRC-0392 — Frank Lloyd Wright Foundation (Tier 1, official_archive; retrieved June 2026)
- SRC-0393 — SangamonLink (Sangamon County Historical Society) (Tier 2, scholarship; retrieved June 2026)
- SRC-0394 — Wikipedia (Tier 3, encyclopedia; retrieved June 2026)
- SRC-0484 — National Park Service – Frank Lloyd Wright and the National Historic Landmarks Program (NHL Resource Guide) (Tier 1, official_archive; retrieved June 2026)
How we verify
Every fact above is independently corroborated by at least two reputable sources and
confidence-scored before publication. Claims that cannot clear that bar are withheld. We publish
location only at neighborhood/city granularity — exact street addresses and personal information
are structurally barred from publication. Last reviewed June 2026.