Stevenson signed himself as Myranda (a elision of his wife's name, Myra, and their surname) to avoid being confused with another sculptor of the same name.
We have not yet found much information about this sculptor but believe this is our man. Also Wikipedia has a page about his Askari Monument or Dar es Salaam African Memorial in Tanzania.
Other work shown here and here. Born Great Britain. Died Brompton Hospital.
This section lists the memorials created by the subject on this page:
James Alexander Stevenson (Myranda)
The sculptor is elsewhere logged as James Alexander Stevenson but the niche g...
Sculptor and illustrator. Born Halifax, Yorkshire. Other work in London in St Columba's Church, Pont Street and Church of St Thomas the Apostle, Hanwell.
Other work in London includes "Seated Girl", 1990 in Golders Hill Park.
Sculptor. Born in London as Fritz Roselieb, changed his name when he joined the Royal Flying Corps in 1915. Works in London include the reliefs on Norway House.
It seems he was a member of the Phrenological Society which makes some sense for a portrait sculptor.