Dictionary of Medieval Names
from European Sources

Rado m. A pet form of any name beginning with Old Saxon rād, Old High German rāt 'counsel, advice', also sometimes used as a standalone name in its own right.

The name of a 10th C German saint.

Brabant
Latin
1312 Rasonis (gen) JeanIII p. 14
1312 Rassini (gen) JeanIII p. 20
France
Latin
657 Rado (nom) DCEL-2 CCCXXIX; 700 Ratone (abl) ibid. XIV; 854 Radonis (gen) InsMacon VII; 1378 Rassoni (dat) hanquetvol1 1088
Middle French
1415[1469x1471] Rasse Waurin p. 227; 1418 Rasse HGParis p. 389; 1421 Rasse favier 1122
Germany
Latin
779 Radoni (dat) quix-vol1 1; 822x875 Radi (abl) TradCorb §172; 1135 Rado (nom) quix-vol1 95; 1165 Razonis (gen) ibid. 93
Poland
Latin
1251 Razo (nom) hennes-vol1 141
Cite as: J. Uckelman, S.L. Uckelman. "Rado". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Rado.