While on the topic of Mcmahon...
It is named after the Mcmahon brothers, 2 Calgary businessmen. One of the brothers sold his house and land for a million dollars, which was converted to a golf course.
Now known as.....Canyon Meadows. This is his house, now the club house.
My grandparents were his neighbours. In fact, my aunts horses got out one day, and trampled/ate a few of their greens back in the late 60's.