Delaney is too surname-y for a boy or a girl. I don't find it feminine or masculine. It's trendy, too, following the surnames for children theme.
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Lissa Hannah-
!'s = Kipling, Barry, Mortimer, Miles, Marmaduke, Fletcher, Hiram, Wade, Maris, Blanche, Gladys, Arlette, Glenda, Juniper, Lulu, Berthe
?'s = Pasquale, Archibald, Humphrey, Nigel, Bernard, Minna, Doris, Shirley, Cordelia, Gertrude