Aged 6 month in 1861

Lancashire Birth indexes for the years: 1860
MATHER    William T    SMITH    Western Bolton    WB/40/92

MATHER, WILLIAM  THOMAS      SMITH 
GRO Reference: 1860  D Quarter in BOLTON
Volume 08C  Page 301

Note: there is another William Thomas Mather born Leigh Q4/1861 (and another in Chelsea, London Q4/1859 that died an infant)

The William Thomas Mather that died in Manchester 1926 aged 66 is another.  William T and Annie were alive in 1939 with daughter Bertha.

MATHER, WILLIAM  THOMAS      79 
GRO Reference: 1940  J Quarter in BARTON 
Volume 08C  Page 1139

Aged 30 in 1891, Born Marple, Cheshire
Aged 40 in 1901, Born Marple, Cheshire
Aged 50 in 1891, Born Marple, Cheshire

Name:    Annie Mather
Death Age:    87
Birth Date:    abt 1861
Registration Date:    Q1 1948
Registration district:    Barton, Lancashire
Volume:    10b
Page:    324

Lancashire Birth indexes for the years: 1885
MATHER    Bertha         Barton on Irwell    Salford    BAR/55/59

Name:    Bertha Mather
Registration Year:    1885
Registration Quarter:    Apr-May-Jun
Registration district:    Barton, Lancashire
Volume:    8c
Page:    630

Betha didn't die in 1915 aged 30.  She was single, alive and with her parents in Eccles in 1939

Name:    Bertha Mather
Death Age:    76
Birth Date:    abt 1885
Registration Date:    Q1 1961
Registration district:    Salford, Lancashire
Volume:    10f
Page:    735

Lancashire Birth indexes for the years: 1886
MATHER    Ethel     Barton on Irwell, Salford    BAR/58/4

Name:    Ethel Mather
Registration Year:    1886
Registration Quarter:    Apr-May-Jun
Registration district:    Chorlton, Lancashire
Volume:    8c
Page:    779