Although Americans are less likely to experience violent crime as they age, research interest in elderly victims of violence is growing. An initial question that has been overlooked concerns how best to measure “elderly.” In the homicide literature, the most common definition is a single category of age 65 and older. With U.S. adults living longer, healthier, and more active lives, use of a single category may no longer adequately capture this heterogeneous population. The present study explores how a multiple-category definition of elderly might inform the study of homicide by identifying patterns that could promote more tailored explanations.