My family

My name is Chris Weller English father Irish mother, My mothers maiden name was Mary Brigid Mooney born Waterford 1st March 1924,my Nan Granddad Jonjo and six children lived in Sutton Surrey England and my Nan died when I was about six around 1950 I think her name was Elizabeth, She was married to Jonjo Mooney but had been married before and her surname then was Dobbin,she had two sons and a daughter named John Michael and Kitty who were Dobbin and three daughters my mother Mary Brigid also Josie and the youngest Helen who were Mooney, I remember the name Queens Street being mentioned by my mum as where she lived and the only Queens street that I can fined in Co Waterford is in Tramore but I dont know what parish that is so can anyone please help me to find my Irish roots