Genealogy in Zagarolo
Tracing your Italian roots back to Zagarolo (in Roma province, Lazio region) begins with understanding which records exist and where they are preserved. On this page you’ll find a clear guide to the civil, parish and historical sources available for genealogy in Zagarolo.
Zagarolo family history at a glance
- Region: Lazio
- Province: Roma
- Type of records: civil and parish records
- Civil registration: from the 19th century onwards (Papal States / post-unification)
- Parish records: often older than civil records (in some cases from the 1600s)
Research experience on families in Zagarolo
Over the years, ItalianSide has conducted genealogy research on historical families from Zagarolo, involving many surnames traditionally found in the town, including branches of the following families: Petrassi, Brini, Loreti, Giordani, Carletti, De Santis, Borzi, Panzironi, Pennacchiotti, Delle Fratte, Quaranta, Pizzari, Pizzi, Bertini and others.
Many records relating to families and individuals are already stored in our databases and include, in addition to names and dates, further information such as occupations, residential addresses, and key family and social relationships within the Zagarolo community in past centuries.
Part of the information used by ItalianSide in genealogy research derives from a proprietary archive of on-site research conducted over many years in Zagarolo and by our experts. This archive includes studies, family trees, and data not available online, such as cross-referenced family relationships, occupational histories, deciphered or translated documents, residential patterns, and visual documentation.
Research activities may include all major sources available at municipal, provincial, and regional level:
• civil records
• parish registers
• notarial archives
• military records
• historical and photographic sources
Direct access to archives and a deep understanding of the local context allow for more complete and accurate results than research conducted remotely or based on partial sources alone. Research may be carried out using all available sources in both public and private archives.
Genealogy in Zagarolo
If your ancestors came from Zagarolo, in Roma province (Lazio region), the first step is to identify the local archives where records are kept. Most family history research starts from the civil registry office at the Comune and continues in parish and notary archives.
Where to begin your ancestry journey in Zagarolo
Vital records for people born, married or deceased in Zagarolo are usually preserved in:
- Zagarolo City Hall archives: civil records (births, marriages, deaths) from 1809 onwards.
- Zagarolo parish churches: in Lazio religious registers, which can often take your research back to the 1600s and sometimes as far as the 1500s.
Civil Records (Stato Civile) in Zagarolo
In the areas of Lazio that were part of the Papal States, including Roma province, civil registration offices were gradually established during the 19th century and after Italian unification. This means you can often find your ancestors’ civil records in the Town Hall archives of Zagarolo starting from those years (the exact starting year can change from town to town).
This means you can often find your ancestors’ civil records in the Town Hall archives of Zagarolo from that year onwards.
(If your goal is to obtain Italian citizenship and you need official certificates from Zagarolo, please follow this link.)
If your ancestors lived in Zagarolo during the past centuries, the City Office of Zagarolo is usually the first place to start your family research. Our local expert can access these records on your behalf and interpret them correctly.
- Professions: discover what your ancestors did for a living.
- Addresses: find the street or house where the family lived in Zagarolo.
- Family links: identify parents, witnesses and neighbours that appear in the records.
- Signatures and notes: see how your ancestors signed and read any marginal annotations.
Street names in Zagarolo
The names of the street in Zagarolo, can help identify ancestral addresses found in civil records, parish documents, and old family papers.
At today, some of the main streets in Zagarolo are: VIA COLLE GENTILE, LOCALITA’ COLLE MAINELLO, BORGO SAN MARTINO, VIA COLLE PALOMBARA, VIA COLLE CANCELLATA GRANDE, VIA CANCELLATA GRANDE, CORSO VITTORIO EMANUELE, VIALE UNGHERIA, VIA COLLE DEL PERO, VIA COLLE MOZZO, CORSO GIUSEPPE GARIBALDI, VIA ANTICO GABIO, VIA COLLE PRATO NUOVO, LOCALITA’ COLLE CANCELLATA DI MEZZO, VIA GIOSUE` CARDUCCI, VIA COLLE VILLA, VIA SANT’APOLLARIA, LOCALITA’ COLLE MOZZO, VIA COLLE DELL` ORO, VIA COLLE PRATO RINALDO and others.
If you want help to identify street names connected with your ancestors in Zagarolo just follow the link below.
If you prefer to contact the Town Hall by yourself, we suggest reading our genealogy tips for Italy. They include practical advice for research in Lazio and specifically in Zagarolo.
Population trends in Zagarolo
The chart below shows the demographic trends in Zagarolo from the Italian Unification (1861). Understanding how many people lived in the town over time is useful when interpreting migration and family movements.

Church Records in Zagarolo
Church archives in Roma province often preserve information that predates civil records. Parish registers include baptisms, marriages and burials and sometimes allow you to push your family tree back into the 1700s and 1600s.
In many areas of Lazio, parish registers began around the 1500s. These manuscripts are not easy to access from abroad and can be hard to read without specific training.
Our local genealogists, graduated in history and archival studies, can consult the parish archives of Zagarolo on your behalf and reconstruct your family history through the centuries.
In case you want to visit churches, these are the addresses of parishes active today in Zagarolo:
DIVIN SALVATORE – 00039 ZAGAROLO RM
MADONNA DELLA FIDUCIA – Via S. Pietro – Colle San Pietro
S. GUARINO VESCOVO DI PALESTRINA – 00039 VALLE MARTELLA RM
S. LORENZO MARTIRE – P.zza Guglielmo Marconi
S. LUIGI GONZAGA – Colle Farina
S. MARIA A PALAZZOLA – 00039 ZAGAROLO RM
S. MARIA REGINA DELLA VALLE – Str. 29^
Notary records and other historical sources
Another important source of information is represented by notary documents, which preserve wills, dowries, property sales and contracts. These records are usually kept in provincial and State Archives and can provide valuable details on the social and economic life of your family.
Historical and photographic sources available in private archives
Historical photographs, prints, and documents from private collections—including ItalianSide’s archive of vintage images from Zagarolo and Lazio region are available. Old pictures add significant value to your family history research and offer a real sense of the places where your ancestors once lived.

Military records
Conscription lists and service records documenting physical descriptions, dates and places of enlistment, units and ranks held, periods of service, military postings, transfers, and movements, often providing detailed insight into an individual’s life beyond civil registration.
Cadastral and property records in Zagarolo
Historical cadastral and land records used to identify property ownership, track real estate transfers over time, and confirm the historical presence of families within Zagarolo. ItalianSide provides professional assistance in accessing and interpreting these records, where available.
Planning a visit to Zagarolo
From our experience, if you plan to visit Zagarolo we always recommend starting the research months before your arrival. This way you avoid spending your holidays in offices or churches dealing with bureaucracy.
Remember that archives are not open to the general public and officers or priests are not required by law to grant direct access to the records.
With the results collected by our genealogist before your trip, you will have more time to enjoy the town and its surroundings, walking in the footsteps of your ancestors.
Professional help for research in Zagarolo
If you need professional support from our local genealogist in the Zagarolo area, write to zagarolo@italianside.com or fill the form here. Our expert will study your request and reply with a research plan and a quote tailored to your family history.
Messages from other visitors in Zagarolo
Here below you can read messages from other visitors in the Zagarolo forum. If you simply want to discuss genealogy in Zagarolo with other people, feel free to leave a message.






