Grga uiga igoa sili: Laki, Foafoa, Gauai, Matuia, Po nei. Aumai Grga uiga o le suafa.
Grga amataga o le igoa muamua. Short form of Grgur. Aumai Grga amataga o le igoa muamua.
Igoa tutusa mo Grga i atunuu ma gagana eseese: Gergely, Gergő, Gligor, Goyo, Gréagóir, Greg, Grega, Greger, Gregers, Gregg, Grégoire, Gregor, Gregorio, Gregorios, Gregorius, Gregory, Greig, Grigol, Grigor, Grigore, Grigori, Grigorijs, Grigoriy, Grigory, Griogair, Grisha, Grzegorz, Hryhoriy, Krikor, Řehoř, Reijo, Reko. Aumai Grga i isi gagana.
O le tele o igoa tutusa ai ma faaiu Yell: Carlo, Eldon, Sid, Gustavo, Sanford. Aumai Igoa e aumai faatasi Yell.