Mr. MacKechney bought the property for $355,000 in July 2002. The 1,072-square-foot house in the Southeast Central Oak Park neighborhood was built in 1913.
Ms. Hoerster is a management supervisor at Ruder Finn, a public relations firm in Chicago.
She received a bachelor's degree in public relations from Marquette University in 2001.
MacKechney is senior vice president and creative director of Element79 Partners, an advertising agency in Chicago. He was the senior vice president and group creative director at FCB Chicago and at Bayer Bess Vanderwarker. He has also worked for Leo Burnett.
He earned a bachelor's degree in journalism/public relations and sociology/urban planning from Oklahoma State University.
According to BlockShopper.com, there were 578 home sales in Oak Park in 2008, with a median sales price of $313,500.
Address: 612 South Euclid Avenue
Buyer(s): John Hoerster and Margaret Hoerster
Seller(s): Thomas R Mackechney
Sale date: Sep. 10, 2009