Hello Eva.
Thank you - no problem. A few more snippets that may help you with the rest of the family.
Harry Jackson 1901 - 1952 New Jersey. (No source for the death but I will have a look)
Married - Martha H
This is them on the
1930 Census Highland Park, Wayne, Michigan.Harry Jackson 29 - Rents home for $4000. Married at 28 years. Tinsmith.
Martha H Jackson - 29 Married at 28 years. Born Pennsylvania
Sister Francis may have died in 1931

Mary Jackson married Thomas Walsh.
Mary could have died Dec 1967 Pennsylvania but I have'nt found it yet.