Karl

From Rycharde, from Richard, from Richardus and Ricohardus, from Rīkahard, from Rīkaharduz, a construction Cognate with t=Richard

Latinised short form of compound names ending in -lind, t=tender, soft (English -inda), such as Sieglinde and Dietlinde, and earlier names such as and, from linþaz, whence also t=gentle, mild, pliable, limber

Originally used in Scotland, popular in all English-speaking countries in the 20th century

Name of a seventh-century Irish saint, from Caoimhghin or Caoimhín, from Cóemgen

Anglicized from Raghnall, itself derived from Rǫgnvaldr, from rǫgn + valdr, later partly merged with the Continental Germanic equivalent Reynold

From Karen, a vernacular form of Catherine that arose in medieval Denmark

The usual U

From Frank, partially from Franca; and partially from Franc, and/or Francus, from Franko; both maybe from frankô