Looking for Information on Eileen Kathleen Callinan Born Christchurch Nz Circa 1908 Married Walter Robert Alexander IN 1926 Gave Birth to Son 1927...

This is my fathers mother, who he was estranged from as a teenager (upon his parents divorce). She remarried and had another son, my fathers half brother. Attempts at contact were rebuffed. Second married surname is unknown.

According to my fathers birth certificate his mother Eileen (also spelt EILLEEN) was born in Christchurch circa 1907/1908, she was 19 when she had my father in 1927 and was married to my grandfather in 1926.she left my grandfather in approximately 1939-1941 and my father never heard from her again.