Regional surname distribution
Tomasoni Surname in Italy
The Tomasoni surname is recorded for 5,067 people across 14 Italian regions. The strongest regional presence is in Lombardia.
Regional distribution in Italy
This page shows where the Tomasoni 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 | 4,216 | 83.2% |
| Trentino A.A. | 481 | 9.5% |
| Piemonte | 162 | 3.2% |
| Veneto | 77 | 1.5% |
| Liguria | 38 | 0.7% |
| Emilia-Romagna | 27 | 0.5% |
| Friuli V.G. | 23 | 0.5% |
| Toscana | 17 | 0.3% |
| Campania | 7 | 0.1% |
| Lazio | 5 | 0.1% |
Tomasoni Surname Regional Distribution Map in Italy
This map shows the Italian areas where the Tomasoni 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 Tomasoni 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.
