Lilli

Lilli is also an Estonian given name; used as both an independent given name; and as a diminutive of names containing the syllable -li-; such as Eliisabet, Julia, Karoliina, Liina, etc.; and also explained as being derived from the Estonian word lill; meaning "flower". The name day for Lilli in Estonia is May 20.

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Sources: https://www.names.org/n/lilli/about (I think)
https://forebears.io/x/forenames/lilli
https://et.m.wikipedia.org/wiki/Lilli_(eesnimi)
https://en.m.wiktionary.org/wiki/Lilli#Estonian

Also Estonian: https://et.wikipedia.org/wiki/Lilli_(eesnimi)
https://en.wiktionary.org/wiki/Lilli#Estonian

Also used as a variant of Lily/Lilly.

The name Lilli was given to 124 baby girls born in the US in 2012.

Also used in Estonia, where it is a diminutive of names containing the syllable -li-, such as Eliisabet, and also explained as being derived from the Estonian word lill, "flower".

Also used in Finland. [noted -ed]