Alli
[ˈæli]Meaning
finnish diminutive of names beginning with al; also the finnish word for a type of duck
Background Story
Alli is a Finnish diminutive of names beginning with Al, and it is also the Finnish word for a type of duck. Behind the Name records it as a name used in Basque, Bosnian, Catalan, Czech, Danish, Dutch, English, French, Georgian, German and Germanic. Wikipedia describes Alli as a surname, a unisex given name and a feminine given name.
Variations
Aly, Ally

Related Names
Arla
A variant of 'Harla', meaning 'the one who is noble'.
Addie
Diminutive of Adelaide, Adeline, Addison and other names
Adelyn
Variant of Adeline, from Old High German adal, "noble"
Aemy
Allie
A diminutive form of Alice meaning 'noble' or 'exalted'
Alysa
Variant of Alicia
Ayvi
Aana
Recorded as a feminine given name in Finnish
Abby
A diminutive of Abigail
Abra
Recorded as a given name in Ewe and in ecclesiastical history, both feminine