Civil Registration Indexes (Births)
Probably:

Dorothy May Sarsons, reg. 2nd quarter of 1897, Bromsgrove, Worcestershire, England.
Dorothy Sarson, reg. 1st quarter of 1899, Barrow Upon Soar, Leicestershire, England.
Dorothy Sarson, reg. 4th quarter of 1903, Upton on Severn, Worcestershire, England.
Dorothy Sarson, reg. 4th quarter of 1904, Eastbourne, Sussex, England.
Dorothy Mary Sarson, reg. 2nd quarter of 1907, Leicester, Leicestershire, England.
Dorothy Mary Sarsons, reg. 1st quarter of 1908, Wellingborough, Northamptonshire, England.