Stuffing a G19 into even a large pocket must make for a very inconsistent and fumble-prone draw.
I respect that you will not carry IWB.
It seems that exploring alternative carry methods may be a better path. Perhaps OWB/overshirt?
Currently Own: Beretta PX4 9mm, Glock 23 (Gen 4), Glock 19 (Gen 4) x2