The surname Grego came from the Italian personal name Greca, which is derived from the Latin word graecus, which means greek. Alternatively, the surname is of a nickname origin that was given to one who came from Greece.
Gren Name Meaning. Swedish: ornamental surname from Swedish gren 'branch' (Old Norse grein).
gro, gr-o ] The baby girl name Gro is pronounced as GROW †. Gro is primarily used in the Scandinavian language and it is of Old Norse origin. The name's meaning is increase. The names Groa, Grow, and Growe are forms of Gro. See also the related category scandinavian.
Meaning & History. From the Old Norse name Gunnvör meaning "cautious in war" from gunnr "war" combined with vor "vigilant, cautious".