Regional surname distribution
Osnaghi Surname in Italy
The Osnaghi surname is recorded for 340 people across 4 Italian regions. The strongest regional presence is in Lombardia.
Regional distribution in Italy
This page shows where the Osnaghi surname is more or less present across Italian regions. Regional patterns are useful as orientation clues and should not be read as proof of a single family origin.
| Region | People | Share |
|---|---|---|
| Lombardia | 317 | 93.2% |
| Piemonte | 9 | 2.6% |
| Emilia-Romagna | 7 | 2.1% |
| Lazio | 7 | 2.1% |
Osnaghi Surname Regional Distribution Map in Italy
This map shows the Italian areas where the Osnaghi surname is more or less present. Warmer colors indicate stronger presence, while cooler colors indicate lighter presence.
How to read these data
The regional concentration in Lombardia can help guide future genealogy research, especially when combined with family documents, immigration records, or a known ancestral town. Regional patterns are best read as orientation clues, not as proof of a single family origin.
Have the Osnaghi surname in your family? We can help verify the likely town of origin through Italian civil and parish records. Request a surname origin research check or contact Ciao Genealogy.
