Diocese of Hamilton

Catholic Youth Organization

Youth Ministry, Athletics, Camping and so much more...

Meet the Team

we can't wait to hear from you

Click here to view our staff page.

New C.Y.O. Video

The Catholic Youth Organization (C.Y.O.) is one of the

oldest, strongest and most effective non-profit

agencies in the Hamilton community...

Welcome to the new C.Y.O. website.

Important Updates:    



Crusader CYO Logo Castellar

Crusader Athletics – Spring 2015 Cross Country Meet

8,500 student athletes, ages 6 to 13, from 54 Elementary Schools throughout Hamilton and surrounding communities will be participating in the C.Y.O.’s Spring Cross Country races at Marydale Park. 

Monday, May 11th to Thursday, May 21st 2015. 

 Click Here for School races, dates and times.


NOW HIRING – Marydale Park Outdoor Education Programmers for 2015/2016

To apply, please click on one, or both, of the applications below:

OE Lead Programmer Application

OE Programmer Application

P.A. Day Programs – NEW at Marydale Park

For more information about our PA Day programming, simply click on this link Camp Marydale , or contact Karen Hartnett at 905 528-0011, ext. 3602 or karen.hartnett@cyo.on.ca

 C.Y.O. Receives Platinum Award for Best Summer Day Camp!

Readers Choice Award 2014


The C.Y.O. is thrilled to announce that our summer day camp program – Camp Marydale, was awarded the Hamilton Spectator’s Platinum Readers’ Choice Award for favourite summer day camp.  Camp Marydale was the only summer day camp to receive Platinum, the highest level of recognition.  Thank you to everyone who voted and to the 2,300 children and their families who attend Camp Marydale this past summer.   It’s hard to believe, but staff is getting ready for another fun-filled summer and our new easy-to-use camper registration form will be available soon.

C.Y.O. News

One-to-One Campers say Thank you!

One-to-One Campers say Thank you!

August 21st, 2014

Although summer 2014 is coming to an end, the memories of our campers with special needs will last f[...]

C.Y.O. Children's Fundraiser - February 26, 2015

C.Y.O. Children’s Fundraiser – February 26, 2015

July 14th, 2014

Thank you to all of our guests, sponsors and community partners for making our 2014 fundraising dinn[...]

Celebrating 50 years of Camp Marydale

Celebrating 50 years of Camp Marydale

January 23rd, 2013

During 2013, the C.Y.O.’s Camp Marydale reach an incrediable milestone – 50 years!

Since 1963, Ca[...]

A letter from the Executive Director

Thank you for visiting our website, we encourage you to click through our site and check out the many programs and services our agency has available to serve the needs of children, teens and their families in our community.

The Catholic Youth Organization (C.Y.O.) is one of the oldest, strongest and most effective non-profit agencies in our community. Over the past 50 years, we have built our reputation on working with children, teens and their families of all faiths and providing them with Athletic Programs, Leadership Training and Outdoor Education and Recreation opportunities. Many of these programs are inclusive of children with disabilities and to those who are from financially disadvantaged households.