Call the police department where your senior lives. See if they have a senior call program, in which they call seniors living alone or the seniors call into the Department each day.
The County Surrogates, in NJ, are responsible for probate of wills, designation of executor(s), etc. If you need another NJ county, check this NJ judiciary list. For the other 49 states, call (973-285-6969/6968) or drop us a note if you need contact information for county offices.
Retirement living
There are a number of titles you may wish to look at: Retirement Places Rated, Retire in Style and 50 Fabulous Place to Retire in America are among those books in our relocation collection.
For historic stock prices see MarketWatch or
Yahoo Finance (some stocks as far back as 1969).
We have the Standard & Poor's Daily Stock Price Record, Obsolete Securities, Fisher Manuals and Capital Changes Reporter here, if you need an historic quote.