99th Regiment
New York State Militia
New York National Guard
Civil War

History
The following is taken from New York in the War of the Rebellion, 3rd ed. Frederick Phisterer. Albany: J. B. Lyon Company, 1912.

Mustered in: August 2, 1864
Mustered out: November 9, 1864.

This regiment, not now in existence, but then located in New York city, and commanded by Col. John O'Mahoney, was mustered in the service of the United States for 100 days, August 2, 1864. It (nine companies) served at the depot, Elmira, and was mustered out of the United States service, November 9, 1864, at New York city. See 88th Volunteers.

During this service it lost by death, of disease, one officer.

See here for a brief history of the State Militia / National Guard.

Further Reading
This is meant to be a comprehensive list. If, however, you know of a resource that is not listed below, please send an email to int-historians@ng.army.mil with the name of the resource and where it is located. This can include photographs, letters, articles and other non-book materials. Also, if you have any materials in your possession that you would like to donate, the museum is always looking for items specific to New York's military heritage. Thank you.

Items in the museum collection are in bold.

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