The name Rowena is a girl's name of Welsh origin meaning "white spear or famous friend". Rowena and is often added to lists like Names from Harry Potter and discussed in our forums with posts like "Pick 5 (GIRLS)".
From the experts:
A fabled storybook name via the heroine of Sir Walter Scott's novel Ivanhoe (1819), which featured a heroine called Rowena of Hargottstanstede, and also a Harry Potter name, as Rowena Ravenclaw, founder of one of the Hogwarts houses.. Rowena has some old-fashioned charm, though most modern parents seem to prefer Rowen. Pronunciation, however, is NOT like Rowen with an a at the end, but with a long e and an emphasis on the middle syllable.. She was on the popularity list until 1963, several years in the Top 500.