It is derived from the surname Brennan, which is an Anglicised form of the Irish Ã³ BraonÃ¡in. The popularity of (forms of) Brendan in Gaelic-speaking countries is thought to have influenced the use and popularity of the etymologically unrelated feminine name Brenda.
Federal Tax Brackets. Your tax bracket is the rate you pay on the last dollar you earn; but as a percentage of your income, your tax rate is generally less than that. First, here are the tax rates and the income ranges where they apply:
Types of Federal Tax Brackets. 1  Single - The Single brackets, applicable to all single non-joint filers, have the narrowest bracket width and generally result in the highest individual income tax. 2  Married Filing Jointly - The Married Filing Jointly tax brackets are applicable to all legally married couples filing their income tax on a joint return.