Find Ancestors

i am trying to find relatives of my mother's late mother,my mother is called lilian roe her mother got called liza for short her mainden name was mckinny she was married to hylton roe who later went onto marry doris and they had 2 daughters called dawn & marcheta.my mother lilian was brought up in wallsend newcastle, i know she used to visit an auntie called veronica who is her mothers sister & she had two cousins called terry & ronnie they were brothers,i konw my mother was in a childrens home for a while after her mother died.my mother was born in 1950,she was about 12 when her mother died,lilian got married to peter bryson in 1970 had 1 daughter (sharon)in 1971,anyone with any information that can help would be grateful thanks.sharon smith.