| Alda | Old German Feminine Form Of Aldo And Otto, "Old; Prosperous." Variants Include Aldabella, Aldea, Aldina, Aldine, Aldona, Aleda, Alida, Alyda. | Female |
| Alida | "Small Winged One." Variants Include Adela, Adelina, Adelita, Adellyna, Adellyta, Adelyna, Adelyta, Alaida, Alda, Aldina, Aldine, Aldona, Aldonna, Aldyne, Aleda, Aleta, Aletta, Alette, Alidah, Alidia, Alita, Allda, Alldina, Alldine, Alldona, Al | Female |