Halli is an Old Norse masculine given name, functioning as a contracted form of names containing the element hallr, meaning "rock" or "stone." As a diminutive or short form, it belongs to a broader naming tradition in medieval Scandinavia where single-element or nickname names derived from compound theophoric or heroic names were common. The name is identical in form to the Old Norse noun halli meaning "slope" or "hillside," though its use as a personal name is primarily linked to the hallr root. The element hallr appears in many Old Norse compound names such as Hallbjörn, Halfdan, and Halstein, where it conveys the meaning of durability or firm rocky ground—qualities admired in Norse culture. As a independent given name, Halli is recorded in both Iceland and Norway in the medieval period. Its feminine equivalent is Halla, also derived from hallr. In Old Norse society, many dithematic (two-element) personal names were shortened in everyday use, leading to the survival of compact forms like Halli. These were not merely abbreviations but widely accepted names in their own right, often recorded in Landnámabók (the Book of Settlements) and Icelandic sagas. The name appears, for example, in the Eyrbyggja saga where a certain Halli is mentioned among the early settlers of Iceland, though he is a relatively minor figure Etymology and pronunciation The vowel -i at the end of the name marks it as a masculine form (as in Ingvi, Bjarni), reminiscent of the Latinized declension of Germanic names. In Viking Age Old Norse, diminutive nicknames ending in -i were productive: Halli would originally have meant "little rock" or derived as a patronymic than as individual at initial while maintaining a familiar characterization from general adoption. The modern Icelandic pronunciation is /ˈhatlɪ/, with the characteristic unaspirated voiceless lenis /t/ before /l/ in historical background link and phrase context articulation that is formally identical with noun hallr's dative/dimin harmonic from m external features despite visual confusion against genitive Halla Notable bearers Halli (10th century) figures in several saga accounts: Halli Bárðarson is named in Landnámabók family context near population west Nordic settlement as domestic in Bárðar Area in Hall-Liv surrounding geomat-relation and.