How old is Brennan Donnelly?

Brennan Donnelly was born on 3 November 2002.
Brennan Donnelly is 23 years old.

How old is Brennan Donnelly in days now?

Brennan Donnelly is 23 years 1 month 5 days old.
Total 8,436 days old now.

When is the next birthday of Brennan Donnelly?

Brennan Donnelly's next birthday is in 10 months 26 days.

What is the zodiac sign of Brennan Donnelly?

Zodiac sign of Brennan Donnelly is Scorpio.

Brennan Donnelly is a young American YouTuber and Instagram star. Born in 2002 in Maryland, he grew up with his two younger siblings, both of whom are also internet personalities — his sister Katie Donnelly, known as Flippin'Katie, and his brother Ryan, nicknamed Flippin'Ryan. Their father, Mike, works for Disney, and their mother, Jill Donnelly, shares family content on her own YouTube channel.

From a young age, Brennan has been passionate about water polo, competing in major tournaments such as the Junior Olympics. He frequently appears in his siblings’ videos and posts his own, sharing thoughts on life, sports achievements, pranks, challenges, and humorous skits. He often collaborates with his sister Katie, creating entertaining content for their shared audience.

As of late 2025, Brennan Donnelly ’s combined following on YouTube and Instagram is approaching 1.6 million, making him a rising star in the world of online entertainment.