Retha uiga igoa sili: Po nei, Gauai, Agalelei, Toaga, Matuia. Aumai Retha uiga o le suafa.
Retha amataga o le igoa muamua. Short form of Margaretha. Aumai Retha amataga o le igoa muamua.
Igoa tutusa mo Retha i atunuu ma gagana eseese: Gosia, Greet, Gréta, Greetje, Greta, Gretchen, Grete, Gretel, Grethe, Griet, Märta, Maarit, Maighread, Mairead, Mairéad, Maisie, Małgorzata, Małgosia, Mared, Maret, Margaid, Margalit, Margalita, Margaréta, Margareeta, Margareta, Margarete, Margaretha, Margarethe, Margarid, Margarida, Margarit, Margarita, Margaux, Marged, Margherita, Margit, Margita, Margot, Margrét, Margreet, Margrete, Margrethe, Margriet, Margrit, Marguerite, Marit, Marita, Marjeta, Markéta, Marketta, Marsaili, Marzena, Meggy, Mererid, Merete, Merit, Meta, Mette, Mysie, Reeta, Reetta, Rita. Aumai Retha i isi gagana.
Surnames taatele ma igoa Retha: Shadburn, Dahman, Fenley, Segel, MacKsey, Macksey. Aumai Lisi o surnames ma igoa Retha.
O le tele o igoa tutusa ai ma faaiu Gulnac: Jo, Abe, Jeffrey, Lindsay, Jacki. Aumai Igoa e aumai faatasi Gulnac.