Origin of the name SIBILLA.
Etymology of the name SIBILLA.
Meaning of the baby name SIBILLA.
The older form is Sibulla
(q.v.), from sabus, meaning "wise old woman." Also spelled Sibila.
The French have Sibille.
Sibilla Aleramo (d. 1960), was an Italian author,
autobiographer, and feminist. (Wiki)
probably through the influence of Campania upon nomenclature, early
spread as a Christian name. Possibly the word was the more
acceptable to Northern ears from its resemblance to the Gothic sibja
(peace, or friendship), the word familiar to us as the Scottish sib
(related), forming with us the last syllable of gossip, in its old sense
of god-parent... (History of Christian Names, Yonge, 1884)