Nathaly \n(a)-tha-ly\ as a girl's name is a variant of Natalie (Latin), and the meaning of Nathaly is "birthday".
The baby name Nathaly sounds like Nataly, Nathalie, Nathalia, Nathalee, Nately, Natalya, Natali, Natale and Natala. Other similar baby names are Nathalija, Nathaliely, Natalle, Natalia, Natalee, Natalea, Nathania and Nachell.