Meaning and name origin
Sinead \s(i)-nead\ as a girl's name is pronounced sha-NADE. It is of Irish and Hebrew origin, and the meaning of Sinead is "God is gracious". Variant of Jane or Janet, which are feminine forms of John. Sinead was made familiar to Americans by singer Sinead O'Connor. Actress Sinead Cusack.
For more information, see also the related girl name Shanae.
Sinead is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is the baby name popularity of the name Sinead for girls. Sinead reached its highest rank of #23 in Ireland in 1998. (2014 statistics).
Displayed below is a comparison of the popularity of the girl name Sinead and its variant forms. Popular variation forms ranked in the Top 1000/100 are Jane (#322), Sinead, Sina, John, Janet and Shanae. (2014 statistics).