Jeff uiga igoa sili: Volatile, Lē ma vāloia, Toaga, Laki, Foafoa. Aumai Jeff uiga o le suafa.
Couse uiga faaiu sili: Agavaa, Toaga, Volatile, Agalelei, Faauo. Aumai Couse uiga o faaiu.
Jeff amataga o le igoa muamua. Short form of Jeffrey. Aumai Jeff amataga o le igoa muamua.
E tusitusiga po o le auala e faalauiloa le igoa muamua Jeff: JEF. E faapefea e faalauiloa Jeff.
Igoa tutusa mo Jeff i atunuu ma gagana eseese: Fredo, Gaufrid, Geoffrey, Geoffroi, Geoffroy, Gisilfrid, Gjord, Gjurd, Godafrid, Godefroy, Godfried, Godofredo, Godtfred, Goffredo, Gofraidh, Goraidh, Gottfrid, Gottfried, Guðfriðr, Joffrey, Séafra, Sieffre, Siothrún, Walahfrid. Aumai Jeff i isi gagana.
Surnames taatele ma igoa Jeff: Hourihan, Maclean, Anderson, Zappa, Heemstra. Aumai Lisi o surnames ma igoa Jeff.
O le tele o igoa tutusa ai ma faaiu Couse: Maire, Ilona, Dewitt, Alex, Christian, Àlex, Máire. Aumai Igoa e aumai faatasi Couse.
Ogatasi o Jeff ma Couse o 74%. Aumai Ogatasi o Jeff ma Couse.