Cosio records on Ancestry

Ancestry is a major source of information if you are filling out your Cosio family tree. A vast range of data is available to search ranging from census records, births, deaths and marriages, military records and immigration records to name but a few. Free trials are normally available and are a good way to fill out a lot of your tree quickly.

Country Collection
Globe Global records search results for the Cosio family.
USA US records search results for the Cosio family.
UK UK records search results for the Cosio family.
Canada Canadian records search results for the Cosio family.
Australia Australian records search results for the Cosio family.

Origins and History


New to Family History? Check out our Getting Started page. Check out House Of Names to investigate the origins of the Cosio surname or get a copy of the Cosio family Crest (a great gift idea!).


Sometimes you can run into a brick wall in your tree and you just don't have enough evidence to make that next step back in time. If you are lucky then you may find some previously undiscovered Cosio ancestors. Additionally, the modern DNA test can give you a breakdown of your ethnic mix - you may be surprised at the results!

Unlock your DNAHave you reached a brick wall in your Cosio Tree?

Visit our Cosio DNA page to find out more.

Birth, Death and Marriage Records for the Cosio Family History

Birth, Death and Marriage records are often the best method of making the links to the Cosio Genealogy that will form part of your family tree. Although records vary from country to country, they are normally the most formal record of a person's relations. From the sources below you will be able to find a birth record and, from that, a birth certificate can be ordered which lists the names of the mother and father, taking you back another generation in your tree. A marriage certificate may also list the names of the respective fathers of the bride and groom which may then help you to find them earlier in life on a census record enabling you to fill out more detail in the Cosio family tree.

Explore Cosio Parish Records at Find My Past.

Investigate the UK registered births, marriages and deaths of the Cosio family using the FreeBMD database.

Explore Genealogy BankGenealogy Bank for Cosio family records.

Look at MyHeritage for Cosio family data.

Study the LDS Database for records of the Cosio family.

Research the Cosio surname using fold3 Military Archives and view images of original Cosio Military records.

Cosio Family History Databases

Search WikiTree for user contributed Cosio family records. Collaboration is encouraged so that accuracy of Cosio data can be verified or corrected by other users.

Study MyTrees for information on the Cosio family and people looking to contact living Cosio relations.

Study GENi for Cosio family records.

Search One Great Family for Cosio records submitted by people who are already researching the Cosio Genealogy .

Find your Irish Cosio relatives on

Cosio Forums

Research the Cosio surname using forums .

Miscellaneous Cosio Databases

Check out the Ellis Island Database for information on the Cosio family. This database contains over 25 million immigration records detailing passengers arriving in the United States of America.

Use the Surname Map project to look at the current distribution of the Cosio surname in the United Kingdom, France, Germany, Spain, Italy and Romania.


Looking for information on a Cosio in your family tree? Why not post a question here -