my @data = (
   { name => 'Bill Nye',
     age => 39,
     town => 'Somewhere in Cali',
     state => 'Cali',
     zip => '12345'
   },
   { name => 'Homer Simpson',
     age => 36,
     town => 'Springfield',
     state => undef,
     zip => '23456'
   },
   { name => 'Barney Rubble',
     age => 31,
     town => 'Bedrock',
     state => 'Cartoon Location',
     zip => '3456'
   },
);

print Dumper( sort { $a->{name} cmp $b->{name} } @data );