Introduction Based on the American Cancer Society’s 2016 estimates of 1,685,210 new cancer diagnoses this year, there are an estimated 1.6 million new cancer caregivers (ACS, 2016). With the majority of estimated new cancer diagnoses made in men and women 45 and older at 1,543,920, with about 50 per cent or more married or partnered, there are an estimated 771,960 new spousal or partner cancer caregivers (ACS, 2016; U.S. Census Bureau, 1999). Spousal caregivers represent ab