Old Norse name with an -ingr-ending
2) Old Norse kolfr = 'club, blunt arrow' 
3) Singular form of the Old Norse tribal name kylfingar = 'northerner in service in Garðaríki (= 'realm of towns', the Norse name for the states of Novgorod in the Viking Age and medieval period)' 
|Female ♀||Male ♂|
|#: count of main first name only|
|&: count of both main and additional first names|
| Name counts are approximate as statistics normally is not published
for names given to less than 3 or 5 persons per country.
No recent statistics trend found in databases for KylfingR.