Cianni is likely a modern form related to Gianni, an Italian diminutive of Giovanni meaning 'God is gracious.'
Cianni lives at a crossroads of Italian musicality and American creative naming, and its origins can be traced along more than one road. The most direct route leads to Gianni, the classic Italian short form of Giovanni — the Italian rendering of John, itself from the Hebrew Yochanan, "God is gracious." Gianni has been a fixture of Italian culture for centuries, borne by artists, designers, and thinkers; fashion designer Gianni Versace brought the name to global consciousness in the 1990s.
The Ci- opening in Cianni simply applies the Italian phonetic rule whereby c before i and e produces a CH sound, making Cianni and Gianni near-identical in pronunciation. A second route runs through Cheyenne — the name of the Algonquian-speaking people of the Great Plains, which entered American naming culture in the late twentieth century and spawned creative variants including Shyanne, Shianne, and phonetic forms ending in -anni or -ianni. The blending of these two streams — Italian suffix elegance and Native American-derived American names — is not unusual in a country where naming creativity draws freely from multiple cultural wells.
Cianni as a feminine name has a lightness and musicality that parents respond to intuitively. The double-N gives it visual weight to balance the open vowels; the -i ending sings. It is a name that sounds at home in both an Italian piazza and a contemporary American classroom, cosmopolitan without being pretentious, warm without being plain.