About the De Oliveira surname
The surname De Oliveira has a primarily toponymic formation. The structure of the surname suggests a locational or toponymic formation linked to a place, estate, or landscape feature. The surname may therefore originally have identified a person by place of origin, residence, or a feature of the landscape. The opening particle in De Oliveira is part of the surname's structure. In French surnames, forms of this kind are often associated with a place, estate, landscape feature, or older nickname. In the normalization used for some LAFRANCE searches, the surname is also matched through the form “deoliveira”; this search variant can be useful when accents, spaces, or punctuation differ.
Pronunciation:
De-o-li-vè-ra/də-ɔlivɛʁa/