Italy
Piemonte
Asti
San Marzano Oliveto is a comune in the provincia of Asti, Piemonte with a population of 960 as of 2025. Between 1830 and 1912, at least 22 passengers departing from San Marzano Oliveto arrived in the United States.
Contact
To request vital records from the anagrafe (records office), write to the PEC address or email below. Include the full name, approximate date, and record type in Italian.
Address
Via Umberto I N 2
14050 San Marzano Oliveto
Map
Località
Each Italian comune is divided into località (localities), which include centri abitati (populated centers) and nuclei abitati (smaller settlements).
Centro abitato
AltitudePopulation- San Marzano Oliveto301m223
Nuclei abitati
AltitudePopulation- Regione Leiso239m177
- Saline170m52
- Corte232m51
- Italiana197m47
- Leiso240m24
Population and Migration
This chart shows annual resident population, US arrivals (1830 to 1912), and international migration (2001 to present). Not all data is available for every period, so gaps are normal.
The population has declined 32% since 1861. US arrivals peaked in 1901 with 12 recorded passengers. Since 2001, net international immigration has added the equivalent of 10% of the current population.
Total US arrivals
22
1830–1912
Peak year
1901
12 arrivals
Cittadinanza per discendenza
Could a line from San Marzano Oliveto qualify for Italian citizenship?
Between 1830 and 1912, at least 22 passengers from San Marzano Oliveto arrived in the United States. Arrivals peaked in 1901. If one of them is your ancestor, Italy may recognize you as a citizen under jure sanguinis (citizenship by descent).
The birthplace alone does not decide it. Each generation between that ancestor and you does: who naturalized, and when. Since the 2025 law, the number of generations matters too.
The checker goes back through your line one generation at a time. It is not legal advice, and it does not search for records.
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Your ancestor from San Marzano Oliveto
Born in San Marzano Oliveto (AT), Italy
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Top Emigrant Cognomi
Most common cognomi (family names) among emigrants from San Marzano Oliveto recorded in US arrivals, 1830 to 1912.