Most young Hayleys have been born since 1986, and are named for Halley's comet (but with wrong spelling). Any Hayley Mills clones are much older - probably in their late 30s by now.
And Madison's parents probably enjoyed the mermaid movie.
My cousin Naomi is usually called Noni (Know-knee) but my Grandmother's sister Naomi was called Nona.
Robyn