Having missed the first five games of the club's triumphant NextGen Series campaign, the defender took his place on the bench for the 5-1 win over Sporting.
He then featured in the knockout stages, including the memorable finals weekend which saw Villa conquer Sporting and Chelsea.
Kinsella was snapped up by Villa after leaving Arsenal as an U16.
But it proved to be a case of the Gunners' loss and Villa's gain as the versatile defender was quick to make an impression on the claret and blues' academy staff.
Watford-born Kinsella came highly-recommended having only been let go by Arsenal because of the fierce competition in their ranks.
Kinsella played in all but one of Villa's seven fixtures in the inaugural NextGen Series competition in 2011-12.
After sitting out the first game against Ajax in Amsterdam in August, he made the left-back slot his own during the claret and blues' European adventure.
In fact, he scored one of Villa's most important goals in the tournament.
His strike 10 minutes from time against Fenerbahce at Istanbul's Maltepe Stadium sealed a 2-1 away win for Villa against Turkish giants Fenerbahce.
Kinsella's sporting idols are Liverpool and England midfielder Steven Gerrard and boxing megastar Floyd Mayweather.