Field [F] is the only reference I have on this label, who lists it as a British label, one of the few to survive through the great war. 

Popular may have commenced around 1912, and continmued through WW1. It may have met its demise around 1922/23. 

Record in collection:

L207 sc3 POPULAR Popular Record Co.. This Record guaranteed entirely English Manufacture.
P92).  FAUST (Gounod).  The Earl of Lonsdale's Private Band.
P92).  SEMPER FIDELIS (Sousa)  Ibid.