Ulla is a given name. It is short for Ursula in German-speaking countries and Ulrika/Ulrikke in Scandinavian countries. As of 31 December 2011, there were 61,043 females named Ulla in Sweden, with the name being most popular during the 1930s and 40s, and as of 7 June 2010, there were 25,959 females named Ulla in Finland, most born between 1940 and 1979. People. Pre-20th century. Ulla (Talmudist) (3rd-4th centuries AD), a rabbi mentioned in the Talmud. Ulla Adlerfelt (1736–1765), Swedish painter and noble, member of the Royal Swedish Academy of Arts.
https://en.wikipedia.org/wiki/Ulla