Daisy Meadows

From Tardis Wiki, the free Doctor Who reference

Daisy Meadows was the daughter of Elizabeth Meadows. Her birthday was on 5 May, which Elizabeth used as one of her computer passwords. Daisy lost her mother to the Cybermen the day before her birthday on 4 May 2010, during Elizabeth's research and excavation project in the Arctic Circle. (GAME: Blood of the Cybermen)