| Alda | Old German Feminine Form Of Aldo And Otto, "Old; Prosperous." Variants Include Aldabella, Aldea, Aldina, Aldine, Aldona, Aleda, Alida, Alyda. | Female | German |
| Alison | Diminutive Form Of Old German Alice, "Woman Of Noble Estate."Variants Include Aili, Alisann, Alisanne, Alisoun, Alisun, Allcen, Allcenne, Allicen, Allicenne, Allie, Allisann, Allisanne, Allison, Allisoun, Allsun, Ally, Allysann, Allysanne, Ally | Female | German |