Emmeline, also spelled with one 'm', is an Emma relative and Emily cousin that is destined for greater use in the wake of the megapopularity of those two names. A recommended Nameberry fave.
A popular medieval name, Emmeline was introduced to Britain by the Normans. It appeared as a character in Uncle Tom's Cabin, and is famous in Britain as the name of the illustrious suffragette, Emmeline Pankhurst. Way back in 1980, it was the name of young Brooke Shield's innocent character in The Blue Lagoon. More recently, Emmeline Vance was a witch in the Harry Potter series.
Christian Bale has a daughter named Emmeline.