John Carney House

The John Carney House is a historic house located at 306 E. Market St. in Troy, Illinois. The house was built in 1871 for John Carney, a local businessman, and his wife Elizabeth, who came from the locally prominent Koerner family. The Italianate house is one of the few designed in the style in Troy. The two-story house features a recessed three-story tower at the entrance. The porches at the front and rear entrances have Victorian designs with post arches and brackets. The house's design includes tall round-headed windows and scrolled brackets along the cornice.

The house was added to the National Register of Historic Places on July 28, 1983.