Italy
Lombardia
Milano
Pero is a comune in the provincia of Milano, Lombardia with a population of 11,816 as of 2025. Between 1830 and 1912, at least 9 passengers departing from Pero arrived in the United States. The comune was previously known as Cassina del Pero.
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.
Map
Historical Names
Cassina del Pero→Pero
Changed on February 2, 1895
Località
Each Italian comune is divided into località (localities), which include centri abitati (populated centers) and nuclei abitati (smaller settlements).
Centro abitato
AltitudePopulation- Pero144m11,472
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 2321% since 1861. US arrivals peaked in 1904 with 4 recorded passengers. Since 2001, net international immigration has added the equivalent of 18% of the current population.
Total US arrivals
9
1830–1912
Peak year
1904
4 arrivals
Cittadinanza per discendenza
Could a line from Pero qualify for Italian citizenship?
Between 1830 and 1912, at least 9 passengers from Pero arrived in the United States. Arrivals peaked in 1904. 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 Pero
Born in Pero (MI), 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 Pero recorded in US arrivals, 1830 to 1912.
Notable People
People born in Pero.
- Guido ZaganoITb. 1934