The first thing to consider when filing your taxes with a new baby is your tax status. If you were single before and now support the household, you should file Head of Household instead. The tax brackets are better and the standard deduction is increased for this tax filing status.
Consider informing your rich relative about the gift tax if they are thinking about gifting you over $14,000 for your new born. Normal gifts are not taxable, which is the good news.
Any uncovered medical expenses can be deducted once a 10% floor is applied to the deduction amount based on your adjusted gross income (AGI). To claim your medical expenses, use the long form 1040 and file a Schedule A Itemized Deductions form.
Claiming your new born as an exemption on your taxes requires them to have a social security number. File form SS5 with the Social Security Administration quickly, you will want to as soon as possible after the birth of your child. File for an extension if your taxes are due and you were not able to obtain a SSN in time.
Claim your new dependent on your taxes. You can shelter up to $3,950 in income with an additional dependent. Use the IRS tool for dependency if you are uncertain if you can claim your new born on your taxes.