Use a 6-sided dice (or an online dice program eg.
http://www.irony.com/igroll.html) for each individual name, including middle names. Then use a name from the group assigned to the number.
DH:
DW:
DD:
DS/DD:
DS/DS/DD:
DD:
DS:
1 Female: Annis, Beatriz, Cora, Greta, Iscah, Linnet, Margery, Myrtle, Suzanne
2 Female: Cedar, Emer, Maire, Malia, Melanie, Margot, Seren, Sylvia, Tirzah
3 Female: Ceinwen, Esme, Mabel, Margo, Marlene, Shannon, Teal, Vega, Willow
4 Female: Amelia, Edith, Elanor, Jeanette, Meredith, Merle, Nereida, Rebecca, Thea
5 Female: Annika, Azalea, Hollis, Magdalena, Mildred, Rue, Susanne, Ximena, Winter
6 Female: Beatrix, Beryl, Donna, Jeni, Juno, Mavis, Signe, Skye, Vivien
1 Male: Baxter, Gregory, Gwyn, Howard, Irving, James, Jory, Theron, Wilfred
2 Male: Asher, Blake, Bruce, Hollis, Joss, Nathaniel, Noble, Shannon, Timaeus
3 Male: Aron, Ashley, Carlisle, Eben, Emmett, Josceline, Julian, Paul, Philip
4 Male: Brook, Cedar, Colm, Meredith, Merrill, Newton, Oisin, Somerled, Tomas
5 Male: Atticus, Chance, Darwin, David, Eli, Remus, Reuben, Winter, Wisdom
6 Male: Caspian, Damon, Eliot, Errol, Foster, Gil, Robert, Ross, Teal