I think Mildred is of the family of Frederick J ALDRIDGE and Elizabeth, in census records, children at Worthing
Elsie M (Sep Q 1876), Winifred L (Mar Q 1879)
Mildred M (Mar Q 1879 Bath 5c/625), Frederick Dec Q 1886), Marjorie J Dec Q 1882)
Olive B (Sep Q 1884), Rutherford (Dec Q 1885)
Gwendoline (Mar Q 1887), and Archibald (Jun Q1890).
Found FreeBDM 2b E Preston, and census.
Frederick is an artist.