Tadda \t(ad)-da\ as a girl's name is a variant of Thaddea (Aramaic), and the meaning of Tadda is "heart".

The baby name Tadda sounds like Thadda and Tada. Other similar baby names are Adda, Tasia, Tasa, Caddy, Dada, Darda, Edda, Faida, Fayda, Gada, Hedda, Jayda, Jaida, Jaeda, Jada, Kadia, Lauda, Maddy, Mada, Maida, Mayda, Tilda, Nadia, Nada, Naida, Tasha, Talia, Nedda, Tavia, Sadia, Sada, Saida, Sayda, Talea, Tacia, Taima, Taya, Taja, Tajia, Taija, Tama, Tamma, Tanea, Tandy, Tania, Tana, Taina, Tahna, Tara, Tarra, Tassa, Tazia, Tatia, Taura, Tava, Tawna, Tayla, Teddi, Thada, Taddie, Taisa, Theda, Thida, Tedra, Truda, Lada, Zaida, Zayda and Zada.