[1] Her childhood summers were spent with her grandmother, Baroness Maria Nordenfalk, at Blekhem.

[3] Her best-known books are Sörgården and I Önnemo (from Hem och hembygd), set in the village of Kålåkers in Törnsfall parish in eastern Småland; her mother was born and raised at Blekhem in Törnsfall, where her family had roots.

The books were part of the series Läseböcker för Sveriges barndomsskolor, published by Alfred Dalin [sv] and Fridtjuv Berg.

She was an early member of the women's association Nya Idun and was the president of the literary society Samfundet De Nio.

[4][5] Roos was editorial secretary of cultural journal Ord och Bild [sv] from 1898 to 1902.