Nickname of Princess Marie Melita of Hohenlohe-Langenburg, daughter of Princess Alexandra of Saxe Coburg, grand daughter of Maria Alexandrovna and great grand daughter to Alexander II.
Marita is also Latvian and Estonian, used as a diminutive of Marija and Māra (Latvian) and Maria (Estonian). The name day for Marita in Latvia is March 25, and the name day for Marita in Estonia is July 13.
Either little María or dear María in meaning, the way Spanish diminutives works.
― Anonymous User 9/8/2019
3
I have a friend named Marita, and though I'll admit it is unique, it didn't suit her, and I always thought of it as a bizarre and slightly ugly name. Even she said she wanted to change it one day. It has grown on me though.
https://pl.m.wikipedia.org/wiki/Maria - listed as a diminutive of Maria
https://www.behindthename.com/name/marita-1/top/poland
https://dane.gov.pl/pl/dataset/1667,lista-imion-wystepujacych-w-rejestrze-pesel-osoby-zyjace/resource/54110/table?page=1&per_page=20&q=Marita&sort=