There are certain things survivors should know. Below is a suggested list of information. 

                                            Name                                     Telephone 
Clergy

Funeral Director

Doctor

Doctor

Attorney

Power of Attorney

Guardian

Accountant

Financial Planner

Electrician

Plumber

Handyman

Housecleaner
Lawn Service

Snow Removal
Veterinarian

Location of:

Burial plot and deed

Will

Deeds

Birth Certificate

Marriage Certificate

Military Papers

Tax Return

Safe Deposit Box and Key

Account Numbers
Social Security Number

Health Insurance Policy

Bank

Bank

Bank

PIN Numbers

Credit cards

Pension plan

Life insurance policies

Frequent flier accounts

Codes

Password to all computers

Remote control 

Keyless
Cell phones