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Men of Courage,
Brothers for Life.


Just as Ambrose Treacy saw the opportunity to build a foundation of faith and learning, we invite you to help build the future of our alumni network. Join Old Claddagh and continue your journey of leadership, service, and inclusive community beyond the gates.




Inspired by the pioneering spirit of Ambrose Treacy,
we are forging a new era for our alumni.

Whether you stood at the gates yesterday or a decade ago,
your voice is essential to creating this new legacy.


Signum Fidei — A Sign of Faith.

1K+

ALUMNI WORLDWIDE

75+

YEARS OF HISTORY

1

INCLUSIVE COMMUNITY

Community & Service

In the ATC tradition of an inclusive community, our groups offer a space to connect, lead, and support one another. There is a place in Old Claddagh for every Man of Courage to continue making a difference.



Our Community


Upcoming Events

NOV 08

Class of 2021 Reunion

Location: ATC Campus
Time: 6:00 PM - 10:00 PM

RSVP Now →

FEB 23

Old Claddagh Golf Day

Location: Indooroopilly Golf Club
Time: 10:00 AM Tee Off

RSVP Here →

MAR 15

Community Service Day

Location: Various Locations
Time: 8:00 AM - 12:00 PM

Join the Fellowship →