A little late to the bandwagon, but this is such a fun idea!
Also, I donât believe any of these are secrets
Least common names on my list & a little about them!
Aase - fem, Danish meaning âgrass covered mountainâ
AimhĂn - masc/unisex, Irish meaning âswiftâ, spelling variation of EimhĂn
Alfr - masc, Old Norse word for âelfâ
Gansey - masc/unisex, modern English variation of Guernsey, like the sweater
FĂłlki - masc/unisex, Old Norse / Old High German, meaning âfolk, peopleâ
Hespera - fem, derived from Hesperides
Hesperides - fem/unisex, Greek, the nymphs of evening & sunsets from Greek mythology
Lochiel / Locheil - masc, Scottish Gaelic, debated meaning, possibly âsecond lakeâ
Ăran - unisex, Scottish Gaelic word for âsongâ, not to be confused with the Irish name with ocasionally the same spelling
Ramund - masc, Danish, titular character from the Danish folk song
Seelig / SĂŚlig- unisex, Old Germanic / Old English, same origin as âseelieâ as in the fairy court from Scottish folklore
Yggdrasil - unisex, Old Norse, name of the tree of life in Norse mythology
Honourable mentions to Cairn, Clemency, Eilidh, Emyr, Fenwick, Hirsch, Josepha, Phelan, Solveig, Solvi, Ursuline, Ymir (which I think are better known)