Saoirse Una Ronan (born April 12, 1994 in New York City) is an Irish-American film actress. Her name is prounounced "Seer-sha", it is the Irish Gaelic word for "freedom".

She's best known for her roles in ''Film/{{Atonement}}'', ''Film/TheLovelyBones'', ''Film/{{Hanna}}'', ''Film/{{Brooklyn}}'' and ''Film/LadyBird'' (she received UsefulNotes/AcademyAward nominations for the first and the latter two).

She's been known in recent years for her portrayal of mature characters, [[FakeNationality who rarely are Irish or American]].
* ''Literature/{{Atonement}}'' (2007) as Briony Tallis
* ''Film/ICouldNeverBeYourWoman'' (2007) as Izzie Hanson
* ''Film/CityOfEmber'' (2008) as Lina Mayfleet
* ''Film/TheLovelyBones'' (2009) as Susie Salmon
* ''Film/TheWayBack'' (2010) as Irena
* ''Film/{{Hanna}}'' (2011) as Hanna Heller
* ''Violet & Daisy'' (2011) as Daisy
* ''Film/{{Byzantium}}'' (2012) as Eleanor
* ''Literature/TheHost'' (2013) as Melanie Stryder
* ''Film/HowILiveNow'' (2013) as Daisy
* ''Film/TheGrandBudapestHotel'' (2014) as Agatha
* ''Film/{{Brooklyn}}'' (2015) as Eilis Lacey
* ''Film/LadyBird'' (2017) as Christine "Lady Bird" [=McPherson=]
!!Tropes applying to her works include:

* HairOfGoldHeartOfGold:
** Susie Salmon from ''The Lovely Bones'' is a pure and innocent soul whose life gets tragically cut short by a SerialKiller.
** Agatha from ''The Grand Budapest Hotel'' is as lovely and lovable as she is helpful.
* InnocentBlueEyes: Susie Salmon and Agatha, again. One could make a case for Hanna Heller to some extent.