and I think probably maybe not the same person...

Jack Walsh who managed the Thunderbird died in 1996....he was hospitalized a week after his wife of 60 years was hospitalized (see obit at this link)

http://lasvegassun.com/news/1996/jul/25/walsh-general-manager-of-algiers-dies-at-81/

According to LVStriphistory, Jack Walsh who was at the Nevada Biltmore in 1946 was a widower, whose wife died in 1963

In 1962 Jack Walsh was general manager of the Thunderbird