The Kelso Apartments

 The City Directories make it pretty clear that the Kelso — 51-53 MacLaren at MacDonald in the Golden Triangle — was built in or just before 1913. The 1912 Might Directory lists those two addresses as belonging to an occupied semi-detached. In 1913 they were "vacant." The next year they were explicitly associated with the "Kelso Apts" and boasting six renters. That number would soon swell to fourteen, including a caretaker (the apartments are listed as 1-7, 7a, 8-12, and 14.) The Kelso boasts a small but tasteful side-entrance numbered 17 MacDonald Street.

 Here is a detail from Goad (May 1912, sheet 51) showing the original double at 51-53 just before it was demolished. I've highlighted it in red (east is on top.)

 Notice the odd skew on the north (left) side of the lot. This was occasioned by the wedged shape of block 281 and is preserved in the angle of the Kelso's rear wall, which evidently sits right on the property line.

 For such an imposing building, the Kelso's first rental ads were brief and low-key. Here is an Ottawa Journal placement for December 1, 1913...

 

 Worth noting: the address has been simplified to #53, and apartments vary in size by three rooms. "Phone Janitor" seems an unpromising touch, but with a big, empty building to watch over, said custodian may not have had much to do with his days but answer calls. Rents and phone numbers are typical of the time.

"You again!"

 The Kelso signaled a move away from the gracile, asymmetric whimsies of the late 1800s and toward the more modernly massed walk-ups that would evolve between 1910 and 1950. Still it clings to its Victorian red brickwork and its stone foundation, the last gasps of Empire.

 I can find little in the way of spectacular goings-on at the Kelso over the decades, only the account of a furnace blast on November 7, 1946. Perhaps it was the first really chilly night of the year? Someone (that janitor!) over-stoked the coal furnace, and shortly after 10:00 PM a build-up of coal gas exploded, blowing the top off the furnace and knocking down various pipes and conduits. There was no fire and no-one was hurt.

 Oh... speaking of evolving apartment buildings, if you look back up at my photo, you can see "Ten the Driveway" (1969) at the east end of Cooper Street, looming in the background — the typical high-rise fare for Ottawa in the late 1960s and into the '70s, when tall was all!