The name Eimear is a girl's name of Irish Gaelic origin meaning "swift". Eimear and is often added to lists like Irish Baby Names for Girls and discussed in our forums with posts like "Harry Potter House Sorting Name Game".
From the experts:
Sometimes spelled Emer and pronounced "ee-mer," the legendary wife of Cuchulainn possessed the six gifts of womanhood: beauty, voice, speech, wisdom, chastity, and needlework. Not all created equal, one would assume.