Cognome
Cairo
The strongest concentration of Cairo in US arrival records points to Calabria, with 38 of 112 arrivals (34 percent) originating there.
112
US arrivals
1830 to 1912
46
Comuni of
origin
10
Regioni
represented
5
Notable on
Wikipedia
Top regione
Calabria
38 of 112
34 percent of arrivals
Cittadinanza per discendenza
Could your Cairo line qualify for Italian citizenship?
The largest share of Cairo 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 Cairo 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.
Distribuzione per regione
Concentration by regione
10 regioni represented
- Calabria3834%
- Campania3430%
- Basilicata1312%
- Lazio109%
- Abruzzo65%
- Sicilia65%
- Molise22%
- Lombardia11%
- Veneto11%
- Puglia11%
Origini per comune
Arrival records by comune
Each row is a comune (municipality) where at least one passenger named Cairo was recorded between 1830 and 1912.
- Parenti
11
Provincia CS
Provincia SA
- Acri
7
Provincia CS
Provincia PZ
Provincia SA
Provincia NA
Provincia CE
Provincia FR
Provincia PZ
Provincia CS
Provincia LT
Provincia CS
Provincia AQ
Provincia CS
Provincia CS
| Comune | Provincia | US Arrivals |
|---|---|---|
| Parenti | CS | 11 |
| Sant'Arsenio | SA | 10 |
| Acri | CS | 7 |
| Marsico Nuovo | PZ | 6 |
| Salerno | SA | 6 |
| Napoli | NA | 5 |
| Caserta | CE | 5 |
| Viticuso | FR | 4 |
| Pignola | PZ | 3 |
| Castrolibero | CS | 3 |
| Formia | LT | 3 |
| Rende | CS | 3 |
| Pacentro | AQ | 3 |
| Cosenza | CS | 3 |
| Marano Principato | CS | 3 |
Persone notevoli
Notable Cairo on Wikipedia
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.
Cairon
2 US arrivals
Cairone
16 US arrivals
Cairoli
4 US arrivals
Cairolo
4 US arrivals
Cairola
1 US arrivals
Variants are surfaced from the surname index, not from per-name research. None of these is guaranteed to be the same family as Cairo.