Civil Registration Indexes (Births)
Probably:

Kathleen Saville, reg. 1st quarter of 1905, Ecclesall Bierlow, Yorkshire West Riding, England.
Kathleen Saville, reg. 3rd quarter of 1905, Hunslet, Yorkshire West Riding, England.
Kathleen Saville, reg. 2nd quarter of 1906, Huddersfield, Yorkshire West Riding, England.
Kathleen Mary Saville, reg. 2nd quarter of 1906, Bolton, Lancashire, England.
Kathleen Mary G. Saville, reg. 2nd quarter of 1907, West Bromwich, Staffordshire, England.
Kathleen Mary Saville, reg. 4th quarter of 1907, York, Yorkshire East Riding, England.
Kathleen Saville, reg. 4th quarter of 1908, Bradford, Yorkshire West Riding, England.
Kathleen Mary Saville, reg. 2nd quarter of 1910, Howden, Yorkshire East Riding, England.
Kathleen Saville, reg. 2nd quarter of 1910, Skipton, Yorkshire West Riding, England.
Kathleen M. Saville, reg. 3rd quarter of 1910, Mile End Old Town, London, England.