The only Edmonton I ever heard of is in Alberta, Canada, but I see this one is in the London area. I learn something new every day.
She’s living in Edmonton, Alberta. She moved to Canada with her RCAF husband after the war.
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It's a little older than Canada...:^) Most of the earlier settlers just copied names from back home and even now, I bet a lot of the UK doesn't know there is a Boston in Lincolnshire.
From wiki -
Edmonton appears in the Domesday Book of 1086, where it is recorded as Adelmetone- 'a farmstead or estate of a man called Ēadhelm' from an Old English personal name and tūn.