Flowers in the hearse said “Captain” and depicted his number 5 jersey.
Ryan’s team-mates formed a guard of honour for their skipper as he was carried into the church on Thursday morning for Requiem Mass.
In an emotional poem Derry City manager Kenny Shiels told those gathered: “Ryan we love you with all of our heart.
“In your absence we’ll still play the game but in your absence it won’t be the same.”
The Belfast Telegraph has video of the procession.
There is still no cause of death.