The funeral of a Co Armagh mother-of-four who passed away in Mexico last month, while receiving treatment for cancer, will take place on Tuesday. Tracey Crossan was diagnosed with a terminal cancer last July but battled bravely for more than 12 months. A talented glass artist from Ballymoyer, she leaves behind her heartbroken husband Dominic and four children, Oonagh, Fiachra, Sarah and Fianna. She was the beloved daughter of of Ann and the late…