The house was voted one of the top ten favorite buildings in Louisville by local residents in a contest by The Courier-Journal.

He was co-owner and vice president of Brennan & Co., SouthWestern Agricultural Works, a manufacturer of farm machinery.

It was designed with stained-glass windows, an expansive veranda, hand-carved marble and slate mantels, and crystal chandeliers.

A. O. Brennan, added a north wing to the house in 1912 for medical office space with waiting and exam rooms.

Some of the original items in the house include family photographs, a signed Tiffany lamp, hand-carved furniture, a stained glass coat of arms by Louisville artist Bernard Alberts, and steamer trunks filled with world travel memorabilia.