The Mercury News1851 – The Founding Of The San Jose Mercury News May 21, 2019May 24, 2019 Hamilton Historical Records In 1851, the San Jose Mercury News was founded in downtown San Jose, California. Share this:TwitterFacebookLike this:Like Loading... Related Published by Hamilton Historical Records I'm a historian and legal expert from Virginia who is related to founding father George Mason IV and President Theodore and Franklin Roosevelt’s family. View all posts by Hamilton Historical Records