VII Expedição Científica do Departamento de Biologia - São Jorge e Topo - 1992.During the 1992 Scientific Expedition to São Jorge, parish registers were consulted
referring to some villages of the district of Velas, according to the following described: Baptisms (1875-1900)- Variables include date of birth, place of birth,
legitimacy/illegitimacy (Velas; Santo Amaro).
Marriages (1876-l900)- Variables include place of birth of the couple, residency,
age, marital status, occupation and consanguinity (Urzelina-146; Velas-279; Santo Amaro-148; Norte Grande-290; Manadas-136). Deaths (1876-1900)- Variables include date of burial, sex, age, marital status and legitimacy (Santo Amaro; Velas).
For purposes of this report, only data referring to the baptisms were dealt with,
giving particular emphasize to the variable of illegitimacy