Mary was born in March 1873 in Birkenhead and her baptism took place there on March 21st, 1873.12
Birth Notes
EDDOWES, MARY ANN HUGHES GRO Reference: 1873 J Quarter in BIRKENHEAD Volume 08A Page 449
Name: Mary Anne Eddowes Gender: Female Baptism Date: 21 Mar 1873 Baptism Place: Holy Trinity, Birkenhead, Cheshire, England Father: Thomas Eddowes Mother: Mary Anne Eddowes FHL Film Number: 2104037
EDDOWES, MARY ANN 1 GRO Reference: 1874 J Quarter in BIRKENHEAD Volume 08A Page 300
General Notes
Although Mary Ann was baptised daughter of Thomas and Mary Anne Eddowes and birth registered at Birkenhead, the family had Mary Jane the following year, and it was Mary Jane living with them in 1881, aged 5.
Mary Ann died Q2 1874, probably just before Mary Jane was born.