For the jinx couple who were married on the Titanic, and assuming that the actors and the characters they play were born in the same in the same year, the ages that they became "man and wife" we're 8 and 3, respectively.
As the ship leaves the LA area, it passes by some houses and other buildings in the foreground. The buildings are at approximately 1146 Nagoya Way in San Pedro, California. Several of them had been demolished by 2008 and all of them were demolished by 2019.
Harriet Nelson and Diana Canova both appeared together previously in the episode "Dropout" of the short-lived series Ozzie's Girls (1973).