The actor and director, was still in hospice care Tuesday
Dow's official Facebook page posted an announcement of the "passing of our beloved Tony this morning," but the post has since been deleted.
The actor's son, Christopher Dow, told NBC News in a text message Thursday afternoon that his father is still "on hospice and in his last hours."
"He has family and friends surrounding him," Christopher Dow said. "Thank you for keeping us in your prayers during this difficult time."
A further Facebook post to Dow's official page from his management team attributed the confusion to miscommunication.
Dow was born in Hollywood, California — his mother was an early stuntwoman and double for Clara Bow. He was a Junior Olympics diving champion
“Leave It to Beaver” began airing in 1957 and ran until 1963. The popular black-and-white sitcom centered on the typical idealized family of the time
Dow returned in the 1980s for the TV movie “Still the Beaver” and the series “The New Leave It to Beaver,” for which he also directed five episodes and wrote one