Siân uiga igoa sili: Agavaa, Lē ma vāloia, Foafoa, Agalelei, Po nei. Aumai Siân uiga o le suafa.
Dias uiga faaiu sili: Matuia, Po nei, Faauo, Agavaa, Lē ma vāloia. Aumai Dias uiga o faaiu.
Siân amataga o le igoa muamua. Welsh form of Jeanne. Aumai Siân amataga o le igoa muamua.
Siân igoa diminutives: Siana, Siani. Aumai Nicknames mo Siân.
Faʻaiu Dias taatele i Angola, Brazil, Mozambique, Portugal, Sri Lanka. Aumai Dias faaiu faasalalauina.
E tusitusiga po o le auala e faalauiloa le igoa muamua Siân: SHAH:N. E faapefea e faalauiloa Siân.
Igoa tutusa mo Siân i atunuu ma gagana eseese: Chevonne, Genette, Gianna, Giovanna, Ioana, Ioanna, Iohanna, Ivana, Jana, Janae, Jane, Janeka, Janel, Janele, Janella, Janelle, Janene, Janessa, Janet, Janetta, Janette, Janey, Janice, Janie, Janina, Janine, Janis, Janna, Jannette, Jannine, Jan, Jayna, Jayne, Jaynie, Jeana, Jeane, Jeanette, Jeanie, Jeanine, Jean, Jeanna, Jeanne, Jeannette, Jeannie, Jeannine, Jehanne, Jeni, Jenna, Jenni, Jennie, Jenny, Jenný, Jessalyn, Jessi, Jessie, Jessye, Joan, Joana, Joanna, Johana, Johanna, Johanne, Johna, Johnna, Jone, Jóhanna, Jóna, Jovana, Juana, Lashawn, Netta, Nettie, Seanna, Seonag, Shauna, Shavonne, Shawna, Sheena, Sheenagh, Shena, Shevaun, Shevon, Sìne, Síne, Sinéad, Sìneag, Siobhán, Teasag, Xoana, Yana, Yanka, Yanna, Yoana, Zhanna, Zhannochka, Zsanett. Aumai Siân i isi gagana.
Surnames taatele ma igoa Siân: Beavan, Taylor, Smith, Curry, Cochrane. Aumai Lisi o surnames ma igoa Siân.
O le tele o igoa tutusa ai ma faaiu Dias: Georgina, Cassondra, Philman, Yvonne, Gabriela. Aumai Igoa e aumai faatasi Dias.
Ogatasi o Siân ma Dias o 84%. Aumai Ogatasi o Siân ma Dias.