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Brennan meaning and name origin
Brennan \b-rennan, br(en)-nan\ as a boy's name (also used as girl's name Brennan), is pronounced BREN-an. It is of Irish and Gaelic origin, and the meaning of Brennan is "teardrop". Variant of Brendan.
Brennan has 6 variant forms: Brenan, Brenn, Brennen, Brennin, Brennon and Brenyn.
For more information, see also the related name Brandon.
Baby names that sound like Brennan are Brannon and Brannen.
View a list of the 4 names that reference Brennan.
Popularity of Brennan
Brennan is not a popular first name for men but a very popular surname or last name for all people (#744 out of 88799). (1990 U.S. Census)
Displayed below is the baby names popularity of the name Brennan for boys. (2010 statistics) Compare Brennan with its variant forms and related boy baby names.