Kateline, of French origin, means 'pure' or 'chaste'. It is composed of the elements 'catherine', meaning 'pure' or 'innocent', and 'eline', derived from Aelia, a feminine form of Aelius, which was a Roman family name. The name gained popularity in France during the Middle Ages but remains relatively uncommon today.
"The name Kateline had a notable start with 5 births in 1990, followed by peak years of 12 births in 1995 and 14 births in 2003. However, it generally maintained an average of around 6-7 births per year from 1990 to 2010, totaling 118 births over this period."