Pestilence House

A Pestilence House, sometimes called a pest house, was a small, isolated building used during the late 1800s and early 1900s to quarantine and care for people suffering from contagious diseases. Common throughout the Great Lakes region and rural communities across the United States, pestilence houses helped protect the public by separating infected individuals from the general population before modern hospitals, antibiotics, and widespread vaccination programs existed.

Located on the outskirts of towns or in remote areas, these structures were often used during outbreaks of diseases such as:

• Smallpox

• Diphtheria

• Scarlet fever

• Tuberculosis

• Typhoid fever

• Influenza

Patients would remain in the pestilence house until they recovered, were transferred, or, in some cases, died from their illness. Medical care was typically provided by local physicians, nurses, family members, or community volunteers. In the Great Lakes region, where growing communities, seasonal travel, shipping traffic, and immigration increased the risk of disease transmission, pestilence houses became an important part of local public health efforts. Mackinaw City was a destination port city and was very vulnerable since boats from other ports might have a sick person on board who could be spreading the disease. To protect healthy citizens from the person with the disease, they were taken to the Pest House where they were cared for until they were well. While often modest in appearance, these buildings represented some of the earliest forms of organized disease control and quarantine in America.

Today, surviving pestilence houses offer valuable insight into the history of medicine, public health, and daily life in the late nineteenth and early twentieth centuries. They remind visitors of a time when communities relied on isolation, sanitation, and local caregiving to combat infectious diseases long before modern healthcare systems emerged.