About Jón Sveinsson
Lived 1857 – 1944 (aged 86). Jón Sveinsson was an Icelandic children's writer and catholic priest.
Jón Stefán Sveinsson, SJ, better known as Nonni (16 November 1857 – 16 October 1944), was an Icelandic children's writer and member of the Society of Jesus.
He left Iceland in 1870 for France, where he converted to Catholicism.
His children's stories concerning a character named Nonni are well known in Iceland and parts of Europe. Nonni's House (Nonnahús), his childhood home in Akureyri, is now a museum dedicated to his life and work, and he has been featured on postage stamps. Jón Sveinsson's stories of growing up with his brother Ármann, nicknamed "Manni", were adapted into an Icelandic-West German television series Nonni and Manni.
Don’t just read it —
keep it.
Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.
- E-book
- Audio
- Video
Instant download · yours to keep · every purchase keeps this site free
Important facts
Related people
Same field, nearest in time
Contemporaries
People whose lives overlapped Jón Sveinsson's
Frequently asked questions
Who was Jón Sveinsson?
Icelandic writer (1857–1944)
When was Jón Sveinsson born?
Jón Sveinsson was born on 16 November 1857 in Akureyri.
When did Jón Sveinsson die?
Jón Sveinsson died on 16 October 1944 in Cologne.
What was Jón Sveinsson's occupation?
Jón Sveinsson was a children's writer and catholic priest.
What nationality was Jón Sveinsson?
Jón Sveinsson was Icelandic.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Jón Sveinsson. https://biography.guide/jon-sveinsson/
MLA: "Jón Sveinsson." Biography.guide, https://biography.guide/jon-sveinsson/.
Chicago: "Jón Sveinsson." Biography.guide. https://biography.guide/jon-sveinsson/.
Data last updated: 2026-09-24 · Spot an error? Report a correction.
Portrait: Wikimedia Commons · author & licence
Page generated 2026-09-27 05:08 UTC