The Glee star's mom, Ann Marie McGregor, died "peacefully" on June 18, according to an obituary. She was 74.

Cory Monteith's mom Ann McGregor has passed away at age 74, just one month after the death of his estranged father Joe ...

Late 'Glee' Star Cory Monteith's Mom Ann McGregor Dead at 74 originally appeared on Parade. Late Glee star Cory Monteith's ...

Late “Glee” star Cory Monteith’s mother, Ann McGregor, has died just weeks after the actor's father, Joe Monteith, passed ...

Cory Monteith’s mother has passed away just days before the twelfth anniversary of her “Glee” star son’s death. Ann Marie ...

Ann’s death comes just a month after Cory’s estranged father Joe Monteith died May 12 following an illness, per an obituary ...

Ann McGregor died on June 18, less than a month after Joe Monteith's death on May 12.Cory Monteith's mother has died, just ...

Ann Marie McGregor was ‘a person of strong character,’ and Joe Monteith had a ‘positive outlook on life,’ their obits say.

Ann McGregor, the mother of deceased Glee star Cory Monteith, has died at 74. McGregor was being treated for an illness at St ...

Cory Monteith’s parents die weeks apart after Glee star’s tragic death 12 years ago - Ann McGregor less than a month after ...