DW: starts with H / popular middle name / surname is a profession
exDH: Peter Paul Per Perrin Philip Peredur Percival Pelleas / ends with "m" / surname ends with "son", "ton", or "don"
DS: ends with "s" / Gabriel Gideon Gareth Galahad Gwydion Geraint Gawain Gavin Gwalchmei
DS: one syllable / contains a vowel combo like "oe" or "ae"
DW: place name / old fashioned or classic / surname comes from your surroundings (brand name on an object near you, author of a book near you, etc.)
DW's DD: could have the nickname Bee, Bree, or Lee / Alexandra Elaine Isabel Isadora Theodora / flower
DW's DD: could have the nickname Shay, Fay, or Kay / Eleanor Maria Miriam Beatrice Ophelia / bird
DS: starts with "Luc" / mythological
DD: Anna Hannah Ava Eve Elle Enne Aviva Anina Ama Amma Ada Abeba Anona Maram / Calliope Callisto Callista Calixta Calladora Camellia Camille