Sherk's husband, Mexican actor Demian Bichir, posted a heartfelt message on Instagram yesterday.
In 2010 the couple started their relationship.
The Oscar-nominee wrote that Sherk died "peacefully" on April 20th.
The cause of death has not been specified.
Sherk was born in Niagara-on-the-Lake, and was set to be in the new Grudge movie coming out next year.