Archival records for Polish citizenship by descent Expert Assessment, Tracing & Obtaining Legal Documents in Ukraine

Polish citizenship legislation operates under the legal doctrine of jus sanguinis (right of blood) which follows from the Article 14 Point 1) of Act of 2 April 2009 on Polish Citizenship. Under this framework, citizenship passes continuously from parent to child across generations, extending globally. If a parent held Polish citizenship at the time of their child’s birth, the child automatically acquired that citizenship.

Proving Polish citizenship by descent does not operate through a fixed degree of kinship limit, it entirely depends on continuous transmission of Polish citizenship through each generation. Because the doctrine of jus sanguinis applies retroactively (Article 2 of the Act of 2009), the laws active during your ancestor’s life events (Citizenship Acts of 1920, 1951, 1962, 2009) dictate the validity of your claim today. This framework could be explained with the following simplified model:

• Ancestor possessed Polish citizenship
• Ancestor did not lose citizenship before the next generation was born
• Citizenship passed legally to the child by birth from the Polish citizen
• Transmission repeated continuously down the direct line to you.

Polish citizenship rights were granted by Article 2 of the Act of 20 January 1920 on the Citizenship of the Polish State (Ustawa z dnia 20 stycznia 1920 r. o obywatelstwie państwa polskiego) to everyone settled on 31 January 1920 within the newly established borders of the Polish State (see the map), unless they are entitled to citizenship of another country. Regarding the eastern territories of the Second Polish Republic, the Article outlines these specific requirements:

• for ex-Austro-Hungarian Empire regions: has the right of domicile in one of the municipalities ()
• for ex-Russian Empire regions: was registered in an urban, rural or one of the estate-based community.

The transmission and continuity of Polish nationality are governed by the historical Acts, applying according to the following chronology:

• 31 January 1920—18 January 1951, Article 5 of the Act of 20 January 1920 on the Citizenship of the Polish State:
  • Legitimate Children: acquire the citizenship of the father
  • Illegitimate Children: acquire the citizenship of the mother
  • Children of Unknown Parents: considered Polish citizens unless their other citizenship is proven
• 19 January 1951—today, Articles 4 and 6 of the the Polish Citizenship Act of 15 February 1962, Resolution of the Supreme Court of 13 June 2012 (Case Ref. No. III CZP 24/12):
  • A child of parents of whom at least one is a Polish citizen acquires Polish citizenship by birth.

Provisions regarding the loss of Polish citizenship also follow historical acts, applying according to the following chronological framework:

• 31 January 1920—18 January 1951, Article 11 of the Act of 20 January 1920 on the Citizenship of the Polish State:
  • a) if ansector acquired a foreign citizenship (naturalization)
  • b) if ansector accepted a public office or civil service position in a foreign country
  • c) if ansector joined a foreign military
  • women lose in all a)—c) cases
  • men lose only if a)—c) happened after the 31 December of the year when they turned 60 (or 50 in the period before September 1, 1938 and after May 29, 1950 untill January 19, 1951)
  • men lose in all a)—c) cases only if they obtained an official discharge from duty from the Polish military authorities within the age from 17 years old (or 18 till November 20, 1924 and after May 29, 1950 untill January 19, 1951) till 60 years old (or 50 in the period before September 1, 1938 and after May 29, 1950 untill January 19, 1951) of universal military service ()
• 19 January 1951—today, Articles 11 of the Act of 8 January 1951 on Polish Citizenship, Article 13 of Act of 15 February 1962 on Polish Citizenship, Article 46 of the Act of 2 April 2009 on Polish Citizenship:
  • only by official consent from the Polish suprem autorities.

Securing Polish citizenship by descent requires official documentation establishing two fundamental facts:

• Your ancestor possessed Polish citizenship after January 31, 1920.
• The unbroken transmission of that Polish citizenship from the ancestor directly to you.

Building this required evidentiary base involves retrieving specific categories of historical and vital records:

• civil status records (birth, marriage, and death certificates) for every individual in the direct lineage connecting you to the Polish citizen
• electoral registers and voter lists
• military duty records
• passport applications and residential registers
• notarial acts and property deeds
• educational files
• other archival records demonstrating the social, political, and civil activities of your ancestors

The strict internal administrative guidelines used by the Polish Ministry of Interior and Administration (MSWiA) and the Voivodeship offices (Urząd Wojewódzki) demand an apostille on all official documents proving Polish citizenship or kinship.

Below are specific examples of legal archival documents that serve as primary evidence for establishing Polish citizenship by descent.

Request now

The degree of kinship required to apply for the Pole’s Card is established in Article 2, Paragraph 1, Point 3 of the Act on the Pole’s Card. This specific clause defines the exact ancestors that satisfy the bloodline requirement. You must prove the Polish nationality of:

• At least one parent (mother or father), OR
• At least one grandparent (any grandmother or grandfather), OR
• Any TWO great-grandparents (both must be proven simultaneously).

Current Polish legislation does not have the clear definition of Polish nationality/ethnicity (narodowość polska).
But it follows from the Act that the ancestor’s historical documents must contain a clear “Polish (Pole/polak/polska)” designation within the “Nationality” (in the sense of ethnicity, not citizenship) column of the document. Similarly, classifications such as “Race,” “People,” or “Tribe” found within North and South American historical documents provide equivalent ethnic confirmation.

Article 13, Paragraph 3 of the Act on the Pole’s Card contains a list of documents serving as confirmation of Polish origin. Yet the first two points can be misleading. For instance, Point 2) refers to “civil registry acts or their extracts, baptismal certificates, school certificates, or other documents confirming a connection with Polishness.” It is important to understand that interwar Polish vital acts or church records entirely omitted nationality/ethnicity. School records similarly excluded this information. Likewise, the historical “Polish identification documents” mentioned in Point 1) remain in the personal possession of their owners or in their family archives; state archives preserve copies of such records only in highly exceptional cases.

Possessing a clear understanding of Polish origin (discussed above), we can definitively establish the objective of documenting Polish origin: securing comprehensive documents containing a clear designation of “Pole/Polish” in the “Nationality/Ethnicity” column.

Below are several examples of legal archival documents containing Polish nationality.

Request now