DeKalb in DeKalb County, Illinois — The American Midwest (Great Lakes)

Ellwood Mansion

Photographed by Matthew Stevens, September 10, 2026

1. Ellwood Mansion NRHP Marker

Inscription.
This property has been
placed on the
National Register
of Historic Places
by the United States
Department of the Interior

Erected 1975.

Topics and series. This historical marker is listed in these topic lists: Industry & Commerce • Notable Buildings. In addition, it is included in the National Register of Historic Places (NRHP) series list. A significant historical year for this entry is 1879.

Location. 41° 56.117′ N, 88° 45.15′ W. Marker is in DeKalb, Illinois, in DeKalb County. It can be reached from North 1st Street, on the left when traveling north. This marker is located on the west side of the Ellwood House. Touch for map. Marker is at or near this postal address: 509 1/2 N 1st Street, Dekalb IL 60115, United States of America. Touch for directions.

Regionally, this marker is in Northern Illinois.

It is also in the American Midwest

and in the Corn Belt.

Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once the territory of the Mississippian Culture

and also the Northwest Territory.

Other nearby markers. At

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least 8 other markers are within walking distance of this marker: Ellwood House (here, next to this marker); a different marker also named Ellwood House (a few steps from this marker); Rooted in Tradition (within shouting distance of this marker); Mrs. Ellwood’s Museum (within shouting distance of this marker); The Little House (within shouting distance of this marker); Ellwood Green (about 300 feet away, measured in a direct line); Major General Johann De Kalb White Oak (about 400 feet away); Jacob Haish (approx. ¼ mile away). Touch for a list and map of all markers in DeKalb.

Also see . . . National Park Service - Ellwood Mansion. See this webpage from the National Park Service that features information on the Ellwood Mansion's accession into the National Register of Historic Places. (Submitted on September 11, 2026, by Matthew Stevens of Washington, Illinois.)

Photographed by Matthew Stevens, September 10, 2026

2. Ellwood Mansion NRHP Marker

Ellwood Mansion Front image. Click for full size.

Photographed by Matthew Stevens, September 10, 2026

3. Ellwood Mansion Front

Credits. This page was last revised on September 16, 2026. It was originally submitted on September 10, 2026, by Matthew Stevens of Washington, Illinois. This page has been viewed 20 times since then. Photos: 1, 2, 3. submitted on September 10, 2026, by Matthew Stevens of Washington, Illinois. • Andrew Ruppenstein was the editor who published this page.