The 1930 census indicated William & Julia Morrison both born NY; William's parents b. Germany and Julia's parents b. Romania.

Other info:

WWI Draft Registration

William Morrison
Birth Date: July 23, 1873
Naturalized citizen
Joiner - dry dock
Nearest relative: Julia Morrison
366 Chauncey St., Brooklyn

Question 29: Physically disqualified?
Deaf and Dumb

NARA and FHL Roll Number: 1754297