Accurate

Looking for is not an easy task, as the information provided free might not be that accurate. You might look for the SSDI (Social Security Death Index) but you should know that only reported deaths are found there. There are many relatives to a deceased person that will not find useful to declare death. This is why, if you need more accurate dates, you might need to look for a specialized service in this field. This kind of service is never free, as researches will cost money. Do not worry, as the money spent by you will go to researches also. You will also be sure that they will come with more and accurate statistics needed for your researches.