Danish and Norwegian form of Cecilia, from the Roman family name Caecilius (Latin caecus, blind); rare outside Denmark, with a distinctive medieval charm.
Nicknames
sid · sisse
Vibe
classic
How it ages.
Sidsel survives in Denmark as a heritage name chosen by families valuing unusual historical femininity.
The cultural moment.
Denmark's Sidsel has remained static since 1970s, chosen primarily by traditionalist naming communities.