Also Romansh. Source: "Vornamen in der Schweiz. Prénoms en Suisse. I nomi in Svizzera. Prenoms in Svizra" (1993) published by the Association of Swiss registrars https://rm.wikipedia.org/wiki/Rico_Tambornino
― Anonymous User 4/5/2021
1
It could be used for any names ending in Rico like Alberico, Frederico, or Roderico.
Source: "Vornamen in der Schweiz. Prénoms en Suisse. I nomi in Svizzera. Prenoms in Svizra" (1993) published by the Association of Swiss registrars
https://rm.wikipedia.org/wiki/Rico_Tambornino