Real age of Saoirse Ronan in City of Ember
In the movie City of Ember, Saoirse Ronan was:
13 years old
That was the real age of the celebrity according to our calculation.
The calculation of the shown age took into account the first day of the year in which the movie City of Ember was released:
January 1, 2008
And the day in which Saoirse Ronan was born:April 12, 1994
Since movies usually don't take more than one year to be released since the beginning of the filming process, Saoirse Ronan may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.