http://news.bbc.co.uk/1/hi/uk_politics/4123628.stm News article from the BBC remarking on the custom, on the occasion of Tony Banks taking the title Baron Stratford instead of the more conventional Baron Banks
burkespeerage.com
Burke's Peerage; solo le figlie di conti, marchesi e duchi e i figli minori di marchese e duchesse hanno propriamente il titolo di cortesia di Lord o Lady.