This person is married but separated from her spouse for more than 10 month, they lived in the same building but separate apartment, can she file head of household and claiming her daughter which is from another marriage of which she supported her the entire 2011.

“This person is married but separated from her spouse for more than 10 month, they lived in the same building but separate apartment, can she file head of household and claiming her daughter which is from another marriage of which she supported her the entire 2011.”---->The person can claim the HOH filing status on his/her tax return if he/she is unmarried(unmarried or considered unmarried on the last day of the year means unmarried, ;legally separated from your spouse under a divorce or separate maintenance decree, or married but lived apart from your spouse for at least the last six months of the year) has cared for a dependent, the daughter, for over half the year, and paid more than half the cost of maintaining a home. The person’s spouse should not live in the person’s home(not at the same address) during the last 6 months of the tax year.