Cognome
Porro
The strongest concentration of Porro in US arrival records points to Calabria, with 5 of 15 arrivals (33 percent) originating there.
15
US arrivals
1830 to 1912
13
Comuni of
origin
5
Regioni
represented
31
Notable on
Wikipedia
Top regione
Calabria
5 of 15
33 percent of arrivals
Cittadinanza per discendenza
Could your Porro line qualify for Italian citizenship?
The largest share of Porro arrivals came from Calabria, most often from the provincia of Cosenza. If one of them is your ancestor, Italy may recognize you as a citizen under jure sanguinis (citizenship by descent).
The surname 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
A Porro from Calabria
Most often from Cosenza (CS)
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.
Persone notevoli
Notable Porro on Wikipedia
Pietro Paolo Porro
IT1450 · Milano
1520 · Padova
Gian Pietro Porro
IT1773 · Como
Alfonso Porro Schiaffinati
IT1798 · Milano
1801 · Pinerolo
Carlo Porro
IT1813 · Como
Alessandro Porro
IT1814 · Milano
1842 · Padova
Gian Pietro Porro
IT1844 · Como
Gaetano Porro Schiaffinati
1851 · Monza
Carlo Porro
IT1854 · Milano
Diego Porro
IT1856 · Monza
Francesco Porro de' Somenzi
IT1861 · Cremona
Giorgio Porro Savoldi
1869 · Lonato del Garda
Ettore Porro
IT1874 · Novara
| Name | Born | Birthplace | Wiki |
|---|---|---|---|
| Pietro Paolo Porro | 1450 | Milano | IT |
| Girolamo Porro | 1520 | Padova | ENIT |
| Gian Pietro Porro | 1773 | Como | IT |
| Alfonso Porro Schiaffinati | 1798 | Milano | IT |
| Ignazio Porro | 1801 | Pinerolo | ENIT |
| Carlo Porro | 1813 | Como | IT |
| Alessandro Porro | 1814 | Milano | IT |
| Edoardo Porro | 1842 | Padova | ENIT |
| Gian Pietro Porro | 1844 | Como | IT |
| Gaetano Porro Schiaffinati | 1851 | Monza | |
| Carlo Porro | 1854 | Milano | IT |
| Diego Porro | 1856 | Monza | IT |
| Francesco Porro de' Somenzi | 1861 | Cremona | IT |
| Giorgio Porro Savoldi | 1869 | Lonato del Garda | |
| Ettore Porro | 1874 | Novara | IT |
Varianti grafiche
Spelling variants worth checking
- The spelling you know may not be the one in the records. For example, a family remembers Mansini, but the records read Mancini.
- If your spelling does not appear, a close variant in the list below may be the same family.
Variants are surfaced from the surname index, not from per-name research. None of these is guaranteed to be the same family as Porro.
Origini per comune
Arrival records by comune
Each row is a comune (municipality) where at least one passenger named Porro was recorded between 1830 and 1912.
Provincia CS
Provincia PV
Provincia CS
Provincia AL
Provincia AV
Provincia SV
Provincia CE
Provincia TO
Provincia MI
Provincia CS
- Como
1
Provincia CO
Provincia NA
Provincia CS
| Comune | Provincia | US Arrivals |
|---|---|---|
| Cosenza | CS | 2 |
| Pavia | PV | 2 |
| Rogliano | CS | 1 |
| Alessandria | AL | 1 |
| Santa Lucia di Serino | AV | 1 |
| Loano | SV | 1 |
| Rocchetta e Croce | CE | 1 |
| Torino | TO | 1 |
| Cuggiono | MI | 1 |
| Rende | CS | 1 |
| Como | CO | 1 |
| Napoli | NA | 1 |
| Domanico | CS | 1 |