Ages effective for the YMHC 2019 / 2020 season are as of December 31, 2019.
| Division | Year of Birth |
|---|---|
| Learn to Play (age 5 / 6) | 2014 / 2013 |
| Tyke (age 6) | 2013 |
| Minor Novice (age 7) | 2012 |
| Novice (age 8) | 2011 |
| Minor Atom (age 9) | 2010 |
| Atom (age 10) | 2009 |
| Minor Peewee (age 11) | 2008 |
| Peewee (age 12) | 2007 |
| Minor Bantam (age 13) | 2006 |
| Bantam (age 14) | 2005 |
| Minor Midget (age 15) | 2004 |
| Midget (age 16 / 17) | 2002 / 2003 |