Meaning Of Celtic origin from the word 'Mor,' meaning sea, and 'geno,' meaning bright one. Origin of Morgan Celtic , Irish Popular Middle Names Elizabeth, Marie, Renee, Grace, Ann, Alexis, Paige, Rose, Sophia, Olivia Pronunciation 🔊 Listen Morgan MOR-gan Similar Names Mariel Genevieve Muireann Mariely Bellicent Doris Arlene Muireall Muiriol Morgayne Year by Year Popularity of Morgan