Sine is a variant form of the English Jane in the Gaelic and Scottish languages.
Sine is also a variant form of the English and Irish Sheena.
Sine is also a variant form of the Irish Sinead.
Sine is unusual as a baby name for girls. It is not ranked within the top 1000 names. Among the group of girl names directly linked to Sine, Jane was the most regularly used in 2015.
† English pronunciation for Sine: SH as in "she (SH.IY)" ; IY as in "eat (IY.T)" ; N as in "knee (N.IY)" ; AA as in "odd (AA.D)"