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  1. BrennanHeart
    • Origin:

      Irish
    • Meaning:

      "descendent of the sad one"
    • Description:

      Poised for popularity, Brennan is an Irish last name soft enough to borrow from the boys.
  2. BrennanHeart
    • Origin:

      Irish
    • Meaning:

      "descendent of the sad one"
    • Description:

      Brennan is a winning Irish surname name, more modern than Brian or Brendan, more unusual than Conor and Aidan. The only possible problem with Brennan: people might think you're saying Brendan.