From what I've found it looks like she gave herself the first name of Priscilla.
Born as Lily Winifred May Hamblin on 1/5/1891 Maisemore, Gloucester to Walter Henry Hamblin and Kate Brooks (married 1890). In 1901 she is living with grandparents and shown as Lillian.
She supposedly married an Albert Henry Dew ca.1909 (cannot trace) with whom she had 3 children: Albert Henry Dew b.1909, d.1923, Georgina May Dew b.27/5/1911, Winifred Kate Dew b.6/12/1912.
Census shows Albert bc.1890 London (cannot trace birth) and he died in Gloucester in 1913.
She then remarries as Priscilla L W Dew to Herbert Emery Smith (born 1894 Toronto, Ontario) who was part of Canadian Expeditionary Force. They had 5 children: Edna May Smith b.22/7/1917 Cardiff, Herbert John Smith b.17/6/1920 Toronto and William Lorenz Smith b.12/12/1921 Toronto, James Emery Smith b.10/10/1926 Toronto plus a further son.
Herbert Emery Smith died 1975 and supposedly she is said to have married again ca.1980 (when 89 years old??) and died in Toronto in 1986.
Found them on 1921 Toronto Census, and she's dropped 4 years off her age, shown as Priscilla and says she was born in USA!!!! (untrue), her father born England (true) and mother USA (untrue).
The Dew children seemed to remain in the UK but I don't know with whom.
Annette