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First name origins & meanings:

  1. Irish: Rejoicer; waterfall; pool; pure; impetuous
  2. American: Combination of Kae (Greek) Rejoicer and Lynn (English) Waterfall
  3. Irish: Strong

First name variations: Kaelan, Kaelen, Kaelinn, Kaeylynn, Kaelynne, Kaylin, Kailyn, Kay-Lynn, Kaelyn, Kael, Kaelen, Kaelyn, Kaelan

Last name origin & meaning:

South German (also Kälin): of uncertain origin. Perhaps a nickname from Swiss German chäli ‘weak old man with an unsteady gait’.