Found 2 boys and girls with the meaning of sullivan
Gilbert / 7 letters 
Meaning of Gilbert In Teutonic, Gilbert means Bright lad More
Iolanthe / 8 letters 
Meaning of Iolanthe In Greek, Iolanthe means Violet flower. The name of a Gilbert and Sullivan Opera from 1882. Also a mythological sea nymph and daughter of Oceanus More

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