civil status; civil registry
What is your marital status?
D'après l'état civil, ils avaient un fils.
According to the civil registry, they had a son.
— The Garden of Sinners, film 5 : Spirale contradictoire (2008)
Et y a plus de noms et ni d’état civil.
And there are no more names or civil-status details.
— Delicatessen (1991)