No, it certainly isn`t. After 30 years trying to find my great grandmother, and her second husband, only knowing she moved to Nottingham, and didn`t know his name, I can testify to that. I went down all the usual routes, searching electoral registers, deaths for her first husband, divorce, remarriages, and even Nottingham deaths. Spent ages discounting possible candidates. A lot of lateral thinking is required. I found her, not by the usual route, but by researching people staying at the same address. Plus they changed their names when they moved. I was only able to confirm it was her v