Cidney is a feminine name of English origin. It is pronounced as SID-nee (/ˈsɪdni/). The name Cidney is a variation of the more commonly used name Sidney. In terms of popularity, Cidney has been steadily increasing in usage over the past few decades in the United States. According to data for newborns in the United States, Cidney ranked 15884th in 2017, with 5 occurrences. It is worth noting that Sidney is also a unisex name, commonly used for boys as well.