The surname Corna is of toponymic origin and derives from the Lombard dialect word corn, meaning "rock," "crag," or "cliff." According to E. Rossoni, the term corna is widespread throughout the mountainous areas of Lombardy and was traditionally used to describe large rocks and boulders, especially those carried downstream by rivers during floods.

The surname originally identified people who lived near prominent rocky formations or who came from places whose names were derived from this geographical feature.

Origin and Development

E. Rossoni links the surname to numerous place names in northern Italy that contain the root Corn-, reflecting the rugged Alpine and pre-Alpine landscape of the region. These localities include:

• Corna Imagna (Bergamo)
• Cornalba (Bergamo)
• Cornale (Bergamo)
• Cornate d'Adda (Milano)
• Corno Giovine (Lodi)

In this context, the surname developed as a geographical identifier referring to a family's place of origin.

Distribution

According to E. Rossoni, the surname Corna is concentrated primarily in the province of Bergamo, one of the areas where the dialectal term and related place names are most common.

The related surname Corno is found mainly in the areas of Milano and Cosenza.

Summary

Corna is a Lombard surname of geographical origin derived from the dialect word corn, meaning "rock" or "crag." It refers to families originating from places characterized by rocky landscapes or from localities bearing names derived from this root. The surname is especially associated with the province of Bergamo and the mountainous regions of Lombardy.