Lisa. Not sure if this will help with further clues but it would appear they may have had a son Alex G born 1908. Not sure of the birth locatiopn, it gives both England and Toronto

There was a birth June 1908 for an Alexander James Adams in Northampton (3b 50) -
Think these entries might be your George D Adams in 1914. Travelling with Alex G Adams age 6
Name: George D Adams Birth Year: abt 1881.Insurance Agent. Visiting father Mr Adams. Clevedon Cottage. Rotherham. Described as grandfather of Alex. Home address:- 13 Hayworth Avenue. Toronto.
Arrival Date: 26 Jun 1914
Birth Location: England Birth Location Other: northarto
Age: 33 Gender: Male
Port of Departure: Liverpool, England Port of Arrival: New York, New York
Ship Name: Aquitania
Name: Alec G Adams
Arrival Date: 26 Jun 1914 Birth Year: abt 1908 Birth Location: England
Birth Location Other: toronto
Age: 6 Gender: Male
Ethnicity/Race/Nationality: English
Port of Departure: Liverpool, England
Port of Arrival: New York, New York
Ship Name: Aquitania
The UK Incoming Passenger List 30 Oct 1937 shows both Emma and George
Name: Emma S Adams Birth Date: abt 1882 Age: 55
Port of Departure: Montréal, Québec, Canada
Arrival Date: 30 Oct 1937
Port of Arrival: Liverpool, England
Ports of Voyage: Montreal and Greenock
Ship Name: Antonia
Proposed UK address:- 146 Cedar Road. Northampton.