Birgit
Birgit meaning: Splendid or strong.
Birgit origin: Celtic
Birgit gender: Female

Birgitta
Birgitta meaning: A variant of Bridget, meaning the high one or strength. Famous bearer: 6th century Irish abbess Brigid )known as St Bridget or St Bride) founded Ireland's first women's religious community.
Birgitta origin: Irish
Birgitta gender: Female