US Youth Soccer Association "USYSA" defines player age groups by year of birrth by the matrix attached below. For example, if your daughter was born during any time in 2011, she would be in the "U-8" age group for the 2019-2020 soccer season.

U4: DOBs: 2016

U5: DOBs: 2015

U6: DOBs: 2014

U7: DOBs: 2013

U8: DOBs: 2012

U9: DOBs: 2011

U10/11: DOBs: 2010-09

U12/13: DOBs: 2008-07

U14/15: DOBs: 2006-05

U16/19: DOBs: 2004 - 2001