Efa uiga igoa sili: Fiafia, Foafoa, Volatile, Agavaa, Agalelei. Aumai Efa uiga o le suafa.
Boyer uiga faaiu sili: Volatile, Laki, Faauo, Foafoa, Fiafia. Aumai Boyer uiga o faaiu.
Efa amataga o le igoa muamua. Welsh form of Eva. Aumai Efa amataga o le igoa muamua.
Faʻaiu Boyer taatele i Falani, Niu Kaletonia, Aitu Mariana i Matu, Wallis ma Futuna. Aumai Boyer faaiu faasalalauina.
Igoa tutusa mo Efa i atunuu ma gagana eseese: Ava, Chava, Chawwah, Éabha, Éva, Eeva, Ève, Eevi, Eua, Eva, Eve, Eveleen, Evelia, Evie, Évike, Evita, Evvie, Ewa, Hava, Havva, Hawa, Ieva, Yeva. Aumai Efa i isi gagana.
Surnames taatele ma igoa Efa: Mulauzi, Matemezano. Aumai Lisi o surnames ma igoa Efa.
O le tele o igoa tutusa ai ma faaiu Boyer: Brenda, Alara, Erin, Lucrecia, Shayna. Aumai Igoa e aumai faatasi Boyer.
Ogatasi o Efa ma Boyer o 87%. Aumai Ogatasi o Efa ma Boyer.