Margrét Lóa Jónsdóttir was born in Reykjavík on the 29th of March, 1967. She studied Icelandic and phylosophy at the University of Iceland, and phylosophy the University of San Sebastian in Spain, graduating with a B.A. degree in 1996.
Margrét Lóa writes poetry and her first published work, the poetry collection Glerúlfar (Glass Wolves), came out in 1985. She has been the publisher of many of her own books and has also designed and illustrated them. In addition to her poetry books, Margrét Lóa has conducted a sound structure which was performed in the gallery Hlust and a book-art piece for Gallerí Barmur (Gallery Chest; a moveable gallery situated on people's chests). She has been a creative writing teacher at workshops run for children by the Reykjavík City Library and also in the Gerðuberg Cultural Center in Reykjavík. She was the editor of the literary magazine Andblær for two years.
Margrét Lóa has worked in galleries and art institutions, as an exhibition guide for the Reykjavík Art Museum at Kjarvalsstaðir and a PR person at the Nordic House in Reykjavík. She has also done radio programs for the Icelandic Broadcasting Company RÚV, among her issues there are feminism and gender equality.
In 2003, she released the CD Hljómorð, containing her poems, together with the musician Gímaldin (Gísli Magnússon). They introduced this piece at the Gothenburg Book Fair in the Fall of 2001.
Margrét Lóa Jónsdóttir lives in Reykjavík.