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
Addie
Diminutive of Adelaide, Adeline, Addison and other names
Adelyn
Variant of Adeline, from Old High German adal, "noble"
Aemy
Aidie
Recorded as a given name in Scots
Allie
Diminutive of Alison, Alexandra and other names beginning with al-
Alysa
Variant of Alicia; also an alternative spelling of Alyssa
Ayvi
Aana
Recorded as a feminine given name in Finnish
Abby
A diminutive of Abigail