Piansano

409 m elevation ยท Pop. 1,762

Lazio

Viterbo

Not the Piansano you were looking for? See also: Pian Camuno (Brescia, Lombardia), Piano di Sorrento (Napoli, Campania), San Benedetto Val di Sambro (Bologna, Emilia-Romagna)

Piansano is a comune in the provincia of Viterbo, Lazio with a population of 2,016 as of 2025. Between 1830 and 1912, at least 42 passengers departing from Piansano 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

Piazza Indipendenza, 17
01010 Piansano

Map

Localitร 

Each Italian comune is divided into localitร  (localities), which include centri abitati (populated centers) and nuclei abitati (smaller settlements).

Centro abitato

AltitudePopulation
  • Piansano409m1,490

Nucleo abitato

AltitudePopulation
  • Marinello448m272

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 30% since 1951. US arrivals peaked in 1906 with 19 recorded passengers. Since 2001, net international immigration has added the equivalent of 11% of the current population.

Total US arrivals

42

1830โ€“1912

Peak year

1906

19 arrivals

Cittadinanza per discendenza

Could a line from Piansano qualify for Italian citizenship?

Between 1830 and 1912, at least 42 passengers from Piansano arrived in the United States. Arrivals peaked in 1906. 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.

Check your line
Your lineYou fill this in

Italian-born ancestor

Your ancestor from Piansano

Born in Piansano (VT), Italy

Each generation between

Name and dates

Did this person naturalize before their child was born?

You

A likely outcome

and the documents your line would need

Not ready to start? Get an email when the citizenship rules change.

Top Emigrant Cognomi

Most common cognomi (family names) among emigrants from Piansano recorded in US arrivals, 1830 to 1912.

  1. 1.Brizi2
  2. 2.Forti2
  3. 3.Martinelli2
  4. 4.Bardo1
  5. 5.Bozzamato1
  6. 6.Bordo1
  7. 7.Carusa1
  8. 8.Caciari1
  9. 9.Cesaroli1
  10. 10.Battistuzzi1

Browse all cognomi

Notable People

People born in Piansano.

  • Fiorella Cosciab. 1953
  • Ugo Falesiedib. 1951

Other comuni in Viterbo

Browse all comuni in Viterbo