Italy
Lazio
Roma
Riano is a comune in the provincia of Roma, Lazio with a population of 10,400 as of 2025. Between 1830 and 1912, at least 29 passengers departing from Riano 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.
Website
www.comune.riano.rm.itAddress
Largo Giovanni Falcone e Paolo Borsellino, 1
00060 Riano
Map
Località
Each Italian comune is divided into località (localities), which include centri abitati (populated centers) and nuclei abitati (smaller settlements).
Centri abitati
AltitudePopulation- Riano125m7,427
- Costaroni130m1,400
Nuclei abitati
AltitudePopulation- Colle delle Rose150m292
- Antico Lazio-Codette130m207
- Stazzo 2185m45
- Quarticciolo151m39
- Valle Braccia167m38
- Quadro150m36
- Stazzo185m36
- Pian dell'Olmo130m20
- Stazzo 3185m0
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 grown 451% since 1951. US arrivals peaked in 1893 with 6 recorded passengers. Since 2001, net international immigration has added the equivalent of 15% of the current population.
Total US arrivals
29
1830–1912
Peak year
1893
6 arrivals
Cittadinanza per discendenza
Could a line from Riano qualify for Italian citizenship?
Between 1830 and 1912, at least 29 passengers from Riano arrived in the United States. Arrivals peaked in 1893. 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 lineItalian-born ancestor
Your ancestor from Riano
Born in Riano (RM), Italy
Each generation between
Name and dates
Did this person naturalize before their child was born?
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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 Riano recorded in US arrivals, 1830 to 1912.
- 1.Vespasiano2
- 2.Mossetti2
- 3.Zammarchi2
- 4.Liberatore2
- 5.Ferri1
- 6.Gemelli1
- 7.Deluca1
- 8.Ferrara1
- 9.Laurenti1
- 10.Idane1