Hi,
Yes, I was thinking the following was a possible. He seems to have had a quick trip to Canada, arriving May 15 and leaving July 24, 1921.
A Canadian passenger list on the ship Megantic May 15, 1921 from Liverpool to Quebec
George Gay, age 66, b. Bristol, timekeeper, is joining family, wife Mrs. Geo. Gay, 2468 Waverley St., Montreal, nearest relative sister Mrs. F. Phipps, 36 Dougola Rd., Horfield, Bristol.
Page # 790 Microform #15036
http://www.collectionscanada.gc.ca/microform-digitization/006003-119.01-e.php?q2=5&q3=591&sqn=790&tt=4969&PHPSESSID=pgu74hjaupu9qmj7ao9j21gtb3In the 1920-21 Montreal Directories, a W.J. Rogers is listed at 2468 Waverley St., so fairly certain
that is him
And as you mentioned the UK Inward Passenger List on the same ship arriving Liverpool from Quebec on July 24, 1921.
George Gay. age 67. clerk, 36 Dougola Rd. Bristol, intended future residence England.
From the Bristol Church Burials, Feb. 25, 1927
Gay, George, age 72, 71 Ashley Down Rd. formerly of Bridge Yate.
The GRO Index has a birth Gay, George 1854 mother Goodnough in Keynsham vol 05C, page 676
Family search has marriage for George Jan 10, 1887 to Alice Short in Bedminster, his father is
Benjamin and her father is Rowland
https://www.familysearch.org/ark:/61903/1:1:XT37-3K4A possible at Find A Grave, with parents Benjamin and Rebecca in Wick Gloucestershire.
https://www.findagrave.com/memorial/150488479#There should be a voyage for him between 1913 and 1921 back to the UK, but I'm not finding
that but they can be hit and miss sometimes.
DB, You're welcome