Are you sure that your names will be constrained to Latin-1? If not, perhaps you should allow for Unicode from the start.

Also, I prefer to check that there AREN'T any characters that AREN'T allowed rather than checking that EACH character IS.

while (my $name = <DATA>){
     chomp $name;
     print "$name  - ". ($name =~ /[^\p{Alpha} '-]/ ? "FAIL\n" : "PASS
+\n");
}

__DATA__
Müller
D'Augustine
De Vries
Badin-Powell
1 of the above
1337 |-|@(|<3|?

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In reply to Re: WebApps and Encoding by thundergnat
in thread WebApps and Encoding by holli

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