1901 Scotland Census shows Annie as aged 22, so born around 1879:
Name Annie Jamieson
Age 22
Estimated Birth Year abt 1879
Relationship Wife
Spouse's Name James Jamieson
Gender Female
Where born Glasgow, Lanarkshire
Registration Number 570
Registration district Lochwinnoch
Civil parish Lochwinnoch
Town Lochwinnoch
County Renfrewshire
Address Johnshill
Occupation Couch Maker Wood Wife
What was Hugh's actual birthdate? A Hugh M. Jamieson born March 1901 died October 1977 in Palm Beach, Florida, buried with a Elsie Kirkham in Parry Sound District of Ontario:
https://www.findagrave.com/memorial/261578325/hugh-jamieson?_gl=1*lgjszf*_gcl_au*MTgyNDM2MTk0My4xNzA0NzQxOTk5*_ga*NTE1MzUyMzc3LjE3MDQ3NDIwMDE.*_ga_4QT8FMEX30*ZjNjNjU0NjUtNWNhNy00NmZmLWE5ODYtNGIxYzZkYmU2YTVlLjIwLjEuMTcxMjIzODQzMy4yNy4wLjA.*_ga_QPQNV9XG1B*ZjNjNjU0NjUtNWNhNy00NmZmLWE5ODYtNGIxYzZkYmU2YTVlLjU5My4xLjE3MTIyMzg0MzMuMC4wLjA.
Name Hugh M Jamieson
Race White
Age at Death 76
Birth Date 31 Mar 1901
Death Date 25 Oct 1977
Death Place Palm Beach, Florida, United States
Voters' Lists have the couple in Parry Sound in 1968.