RTE has just aired an excellent documentary about the heroic Fr Frank Browne SJ. Fr Browne spent several months with Fr Doyle, and the two of them had great esteem for each other. 

You can read about Fr Browne’s military service here.

And Fr Doyle’s relationship with Fr Browne here.

The programme can be viewed at this site (it will be available for a few weeks). The entire programme is worth watching; Fr Doyle features on and off from 29 minutes 30 seconds until 35 minutes 20 seconds. 

RTE also showed this photograph of Fr Doyle standing right beside the Servant of God Fr John Sullivan (as far as I can make out it is Fr Sullivan). Fr Doyle looks quite young, and it may well have been taken around the time when the two men were ordained together in July 1907.