Brennan meaning, boyBrennan (boy)

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What does Brennan mean?

Brennan \b-rennan, br(en)-nan\ as a boys' name (also used less commonly as girls' 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 variants: Brenan, Brenn, Brennen, Brennin, Brennon and Brenyn.

For more on this name, see also the related boy name Brandon.

Brennan has 7 more related forms via Brendan: Breandan, Bren, Brendano, Brenden, Brendin, Brendon and Brendyn.

Brennan has 1 feminine form: Brenna.


Brennan is a rare given name for males but a very popular surname for all people (#642 out of 150436, Top 1%). (2000 U.S. Census)

Charted below is the baby name popularity of Brennan for boys. Brennan was first listed in 1970-1979 and reached its highest position of #243 in the U.S. in the year 2009, and is at #386 presently. (2014 Birth Statistics)

Top 1000 baby names ranking of Brennan name in U.S.

Top 100 baby names ranking of Brennan outside U.S.

Prominent variation forms of Brennan (#386 in 2014) appearing in the Top 1000 are Brandon (#71 in 2014), Brendan (#351), Brenden (#711), Brendon, Brennen and Brennon. These boy names reached the peak of their popularity in the year 1998 (usage of 0.661%) and have become much less widespread since (usage 0.3544%, down 46.4%), with the versions Brenden, Brendon and Brennen becoming less in vogue. Brandon (#71), Brendan (#351) and Brennan (#386) are three of the more chic birth names in this compilation. Below is a charted analysis of the popularity of the boy name Brennan and associated names. (2014 Birth Statistics)

Top 1000 baby names ranking of Brandon, Brendan, Brenden, Brendon, Brennan, Brennen, Brennon in U.S.

Top 100 baby names ranking of Brandon, Brendan outside U.S.

Similar Names

Brennan is pronounced similarly to Brannen and Brannon. Another suggested similar baby name is Brentan. Like Brennan, these names are not frequently used.