There is a matching death for Lily in 1909, but this is another. There were three Liliy Mather's born in 1893-4, so this is another.
Deaths Jun 1909 (>99%) MATHER Lily 15 Bolton 8c 297
NAME: Lily Saxon DEATH AGE: 89 BIRTH DATE: 27 Jul 1893 REGISTRATION DATE: Oct 1982 REGISTRATION QUARTER: Oct-Nov-Dec REGISTRATION DISTRICT: South Shields, Tyne and Wear VOLUME: 2 PAGE: 1388
General Notes
Living in Bolton, Lancashire in 1901and 1911 with parents George and Ellen.
She may have married Walter Brooks in Bolton in 1915, although there other Liliy's who this may have been.
In 1901, Lily (7) was with her family in Bolton.
In 1921, there is a Lily Mather of correct age living (possible a servant) in Bolton and not with her family.
In 1923, Lily Mather married Fred Saxon at Bolton (civil). In 1934, Lily and Fred were living at 34 Gerrard Street, Farnworth. They had 4 children including Lorrain in 1925 at Farnworth. The 1939 register show this Lily and Fred were born 12-Jul-1900 and 29-Jun-1897. However there is no Lily Mather birth registered (in Lancashire) for 1900.
Home of George and Ellen Mather, and their first two children (Eleanor, Emily) and Brother Frederick in 1891. Home of George and Ellen Mather, and children in 1901