I like it, but prefer it as a nickname for something longer (
Dagfinn or Dagobert). It feels a bit weird that it's a word name that only means "day", but
Layla means "night", so what. I see it as the same style as
Tor,
Leif,
Svante and
Carl. Sisters could be
Ingrid,
Greta,
Berit or
Agnetha.