Municipal Heritage Designation (Part IV)
Armouries
Town of St. Marys, Ontario
Also known as Theodore Hutton Block, 26 Water Street South

Of note are the arched voussoirs and decorative keystones on all three storeys.
Photo: Gord Strathdee, 2007.
- Built
- 1868
- Recognized
- 1981
- By
- Local government
The register’s text, word for word
Description
The Armouries are located at 26 Water Street South, on the west side of Water Street, in downtown St. Marys. The three-storey limestone building was constructed in 1868.
The property was designated by the Town of St. Marys in 1981 for its architectural value or interest under Part IV of the Ontario Heritage Act (By-law 59-1981).
Heritage value
Located in historic downtown St. Marys, the Armouries are situated directly south of the Opera House. While its simplicity provides a contrast to the exuberance of the Opera House, its limestone construction blends with historic fabric of the downtown. To the west of the Armouries lies the Thames River, which emphasizes the important relationship between the town's growth and development and the river.
The Armouries are associated with the Huttons, a prominent St. Marys family. Theodore Hutton, brother of mill owner William Hutton, commissioned local craftsman Robert Barbour to construct this large limestone block. The building served as Theodore Hutton's store on the first floor. His residence was located in the upper storeys. The building is also associated with military activity in St. Marys, having been used as the town's armouries in the first half of the 20th century.
The Armouries are a fine example of local limestone vernacular architecture. The building's simple, smooth limestone façade stands in contrast to the grand Opera House which is located directly to the north. The façade of the Armouries features a first floor storefront, composed of a recessed entrance flanked by large commercial windows on both sides, and a smaller simple door at the most southerly edge. The ground level windows and doors are complimented by Italianate transoms and arched voussoirs with decorative keystones. Rhythm and order are given to the façade by the use of similar voussoirs and keystones on the eight, symmetrically placed upper-storey windows.
SourceTown of St. Marys, By-law 59-1981.
Character‑defining elements
Character defining elements that contribute to the heritage value of the Armouries include its:
- situation in historic downtown St. Marys, south of the adjoining Opera House
- proximity to the Thames River
- smooth limestone construction
- large storefront windows
- recessed entrance
- eight symmetrically placed 2 over 2 second and third-storey windows
- transoms over first-storey windows and doors
- simple door at the southern edge of the first floor
- arched voussoirs
- decorative keystones
- stone sills on upper-storey windows
End of the register’s text
Location
26, Water Street South, Town of St. Marys, Ontario, N4X, Canada
43.25858° N, 81.14340° W
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From the Canadian Register of Historic Places, as last updated on December 12, 2025. The register’s text is shown word for word.

