William. My William, hanging on my tree was a bit of a rogue, leaving his wife, to live with another woman, changing his name, all things that make tracing family history fun. This name was introduced into England by the Normans in the person of William the Conqueror, himself. Its origins come from the Old German name formed from willo, 'will,' 'desire' and helm, ' helmet,' protection, thus meaning one who desires to protect. In England it had been a royal name, with four kings being called William from the 11th to 19th centuries. This name had plenty to pick from, as being famous, William Shakespeare, English playwright. William Blake, English poet. William Wordsworth, English poet. William Butler Yeats, Irish poet. William Dobell, Australian painter. William Shatner, Canadian actor, yes Captain Kirk was born in Canada.