No. A qualified charitable distribution (QCD) up to $100,000 from an IRA by those age 70½ or older is not includible in gross income and it counts toward required minimum distributions (RMDs) you would otherwise have to receive. However, no deduction can be claimed for the amount going to charity.
Generally, an unmarried person who maintains a household for dependents and is allowed to compute his or her tax based on head of household rates, which are more favorable than single person rates.