Akers left the company in 1877, leaving Slep as the sole owner.
The paper remained in the Slep family until being sold to Thomson Newspapers in 1984.
Under Thomson ownership, a Sunday edition was launched in 1987 and the paper switched its weekday publication to mornings starting in 1997.
The Altoona Mirror was sold to current owner Ogden Newspapers in 1998.
[2] A Mirror Printing Company sister newspaper, the Pennsylvania Mirror, was published between 1968 and 1977 and covered news and events in neighboring Centre County.