It all started when the Tomb Raider games starring Lara Croft became extremely popular and Lara's name got distorted in the process. Lara's creators did think of calling her Laura Croft, but they ditched the idea, because Laura was not a very commercial name. So, now that you have learned that Laura is
not the name, why don't you check out those Lara (and not Laura) Croft links?
Maybe you should stick a note on your fridge or something, like "There is no such thing as Laura Croft".