Money received from a life insurance policy due to the death of the insured is NOT subject to income taxes.
Money received from a pension, IRA, or other retirement type account due to the death of the original owner IS subject to income taxes to the same extent that it would have been taxable to the original owner. For example, if the IRA consisted of $10,000 of "non-deductible" contributions, $1,000 of "earnings", and $5,000 of "deductible" contributions, you would receive $16,000 but only the $6,000 of earnings and deductible contributions would be taxable.
The life insurance answer is the same for both federal and state.
The other items will depend on your state of residence. In general, if you live in a state that has an income tax, it is likely that this will be subject to state tax as well. However, if you will provide me with your state of residence, I will look to see if there is an exception in that state.
When you receive a distribution from one of these types of plans, you receive a Form 1099-R that shows the amount that you received. In addition, there is a "code letter" that lets you know what type of ditribution it is, i.e. normal, pre-mature, etc.
When your distribution is due to the death of the original owner, the code is "4". According to the Pennsylvania instructions, this code is NOT TAXABLE for Penssylvania state income tax purposes even though it is for federal purposes.
The life insurance will not be reportable.
The retirement distributions will be reported line 15 (if it is an IRA) or line 16 (if it is not an IRA) of Form 1040.