Exhibit - 21.1



MELLON FINANCIAL CORPORATION

PRIMARY
SUBSIDIARIES OF THE CORPORATION(a)

DEC. 31, 2005



Mellon Financial Corporation (Parent Corporation) -- Incorporation: United States



| |  |  | Mellon Funding Corporation -- State of Incorporation: Pennsylvania
| | - |  | ------------------------------------------------------------------



Mellon Trust of New England, National Association -- Incorporation: United States



Mellon Bank, N.A. -- Incorporation: United States



| |  | Mellon Overseas Investment Corporation -- State of Incorporation: Delaware
| | - | --------------------------------------------------------------------------



The Boston Company, Inc. -- State of Incorporation: Massachusetts



| |  | Mellon Private Trust Company, National Association -- Incorporation: United States
| | - | ----------------------------------------------------------------------------------



| |  | Mellon Trust of California -- State of Incorporation: California
| | - | ----------------------------------------------------------------



| |  | Mellon Trust of New York, LLC -- State of Organization: New York
| | - | ----------------------------------------------------------------



| |  | Mellon Trust of Washington -- State of Incorporation: Washington
| | - | ----------------------------------------------------------------



The Dreyfus Corporation -- State of Incorporation: New York



| |  | Dreyfus Service Corporation -- State of Incorporation: New York
| | - | ---------------------------------------------------------------



| |  | Founders Asset Management LLC -- State of Organization: Delaware
| | -- | ----------------------------------------------------------------



Mellon 1stBusiness Bank, National Association -- Incorporation: United States



Mellon United National Bank -- Incorporation: United States



MBC Investments Corporation -- State of Incorporation: Delaware



| |  | Dreyfus Trust Company -- State of Incorporation: New York
| | - | ---------------------------------------------------------



| |  | Neptune LLC -- State of Organization: Delaware
| | - | ----------------------------------------------



| |  | Mellon International Limited -- Incorporation: England
| | -- | ------------------------------------------------------



| |  | Mellon Global Investments Limited -- Incorporation: England
| | --- | -----------------------------------------------------------



| |  | Mellon Fund Managers Limited -- Incorporation: England
| | ---- | ------------------------------------------------------



| |  | Newton Management Limited -- Incorporation: England
| | --- | ---------------------------------------------------



| |  | Newton Investment Management Limited -- Incorporation: England
| | ---- | --------------------------------------------------------------



Mellon Investor Services LLC -- State of Organization: New Jersey



Fixed Income (DE) Trust -- State of Organization: Delaware



| |  | Fixed Income (MA) Trust -- State of Organization: Massachusetts
| | - | ---------------------------------------------------------------



| |  | Standish Mellon Asset Management Company LLC -- State of Organization: Delaware
| | -- | -------------------------------------------------------------------------------



Mellon Securities Trust Company -- State of Incorporation: New York



|(a) | This listing includes all significant subsidiaries as defined in Rule 1-02(w) of Regulation S-X, as well as other selected subsidiaries.
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