Cillian O'Sullivan

PersonBorn Sep 28, 1989 (age 36)New York, USA

American-born Irish actor

Person Rank

May 29, 2026

#36,090

Cillian O'Sullivan

American-born Irish actor

Rank#36,090

Buzz Score0.1

Daily update · May 29, 2026

Cillian O'Sullivan ranks #36,090 most popular person with a Buzz Score of 0.1. Cillian O'Sullivan peaked at #20,189 of all time (Jul 17 - Aug 15, 2025). Cillian O'Sullivan ranks #17,914 over the past 365 days.

Cillian O'Sullivan

Popularity Rankings & History

Current and historical popularity rankings

Ranks on May 29, 2026

Overall popularity

#36,090

People

Ranking History

Peak, 1-year, and top-chart days

Peak Buzz Score

0.5

#20,189Overall rank

Jul 17 - Aug 15, 2025

Days at #1

Past 365 days

Days in Top 10

Past 365 days

Cillian O'Sullivan Buzz Score History

Daily Buzz Score over the last 30 days

televisionstats.com

Cillian O'Sullivan Top TV Shows

Cillian O'Sullivan's shows ranked by Buzz Score

Daredevil: Born Again

Devlin · 3 ep · 2025 – Present

6.5

The Blacklist

Skip Sutherland · 2 ep · 2013 – 2023

2.7

Vikings

Eirik · 1 ep · 2013 – 2020

2.1

Star Trek: Strange New Worlds

Dr. Roger Korby · 4 ep · 2022 – Present

1.9

Chicago P.D.

Shane Sullivan · 1 ep · 2014 – Present

1.8

Bull

Nathan Alexander · 1 ep · 2016 – 2022

0.5

In From the Cold

Chauncey · 8 ep · 2022

0.1

televisionstats.com

Cillian O'Sullivan Top Movies

Cillian O'Sullivan's movies ranked by Buzz Score

Blue Moon

2025

1.2

televisionstats.com

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Cillian O'Sullivan

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Updated May 30, 2026

Current Buzz Score

Cillian O'SullivanPerson

0.1

Keep exploring Cillian O'Sullivan

CompareStack this person against any TV show, movie, or person by Buzz Score.Top TV ShowsSee Cillian O'Sullivan's TV roles ranked by current Buzz Score.Top MoviesSee Cillian O'Sullivan's movie roles ranked by current Buzz Score.Top PeopleBrowse the current person rankings across Television Stats.