Civil Registration Indexes (Births)
Probably:

Phyllis Smart, reg. 3rd quarter of 1894, Fulham, London, England.
Phyllis Smart, reg. 2nd quarter of 1899, Chorlton, Lancashire, England.
Phyllis Madge Smart, reg. 4th quarter of 1899, Leicester, Leicestershire, England.
Phyllis Marguerite Smart, reg. 4th quarter of 1902, Pontypool, Monmouthshire, Wales.
Phyllis Smart, reg. 2nd quarter of 1903, Stroud, Gloucestershire, England.
Phyllis Mary Smart, reg. 2nd quarter of 1904, Aston, Warwickshire, England.
Phyllis Smart, reg. 3rd quarter of 1905, Wolverhampton, Staffordshire, England.
Phyllis Smart, reg. 2nd quarter of 1906, Neath, Glamorgan, Wales.
Phyllis Mary Smart, reg. 2nd quarter of 1906, Cambridge, Cambridgeshire, England.
Phyllis Smart, reg. 3rd quarter of 1906, Howden, Yorkshire East Riding, England.
Phyllis May Smart, reg. 1st quarter of 1907, Wisbech, Cambridgeshire, England.
Phyllis Smart, reg. 3rd quarter of 1907, Milton, Kent, England.
Phyllis Smart, reg. 4th quarter of 1907, Luton, Bedfordshire, England.
Phyllis Mabel Smart, reg. 1st quarter of 1908, Mere, Wiltshire, England.
Phyllis Smart, reg. 2nd quarter of 1909, Tadcaster, Yorkshire West Riding, England.
Phyllis Mildred Smart, reg. 2nd quarter of 1909, Bradford, Yorkshire West Riding, England.
Phyllis Smart, reg. 3rd quarter of 1909, Farnham, Surrey, England.
Phyllis Mabel Smart, reg. 3rd quarter of 1909, Wolverhampton, Staffordshire, England.