Marit was very popular in Norway in the mid-1900s. It ranked at #8 in 1940, #5 in 1945, #3 in 1950 (behind Anne and Inger), in 1955 (behind Anne, Inger and Bente), and in 1960 (behind Anne, Bente and Inger), and #10 in 1965.
Marit Bjørgen is a Norwegian cross-country skier and triple olympic champion. Bjørgen is the most successful sprinter in Cross-Country World Cup history, with twenty-four victories; she is ranked first in the all-time Cross-Country World Cup rankings with fifty-eight individual victories.
This was the name of one of my best friends growing up. I don’t see much of her now but she has given me a very positive association for this name. It makes me think of a kind and patient girl with blond hair and blue eyes.
https://en.wiktionary.org/wiki/Marit#Estonian