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FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person*
CORCORAN JOHN M

(Last)(First)(Middle)
274 EAST ST

(Street)
EAST WALPOLEMA02108

(City)(State)(Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
10/21/2008
3. Issuer Name and Ticker or Trading Symbol
MFS MUNICIPAL INCOME TRUST [MFM]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Treasurer
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)4. Conversion or Excercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
No securities are beneficially owned

Susan S. Newton, By Power of Attorneu10/23/2008
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

                                POWER OF ATTORNEY



The undersigned on his or her own behalf and on behalf of his or her estate,
heirs and assigns hereby constitutes and appoints Susan S. Newton, Christopher
R. Bohane, Timothy M. Fagan, Susan A. Pereira and Brian E. Langenfeld and each
of them singly as true and lawful attorneys with full power to them and each of
them, to execute, on behalf of the undersigned, in the capacity listed below,
any and all statements or reports under Section 16 of the Securities Exchange
Act of 1934, as amended, with respect to the beneficial ownership of reportable
securities issued by MFS California Insured Municipal Trust, MFS Charter Income
Trust, MFS Government Markets Income Trust, MFS High Income Municipal Trust, MFS
High Yield Municipal Trust, MFS InterMarket Income Trust I, MFS Intermediate
High Income Fund, MFS Intermediate Income Trust, MFS Investment Grade Municipal
Trust, MFS Multimarket Income Trust, MFS Municipal Income Trust and MFS Special
Value Trust including, without limitation, all initial statements of beneficial
ownership on Form 3, all statements of changes of beneficial ownership on Form 4
and all annual statements of beneficial ownership on Form 5, and any and all
other documents that may be required, from time to time, to be filed with the
Securities and Exchange Commission, to execute any and all amendments or
supplements to any such statements or forms, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting to said attorney, full power and
authority to do so and perform each and every act and thing requisite and
necessary to be done in and about the premises, as fully to all intents and
purposes as the undersigned (or his or her estate, heirs and assigns) might or
could do in person, hereby ratifying and confirming all that said attorneys or
any of them may lawfully do or cause to be done by virtue hereof.

         IN WITNESS WHEREOF, the undersigned has set his or her hand on this
________ day of ________________, 2008.



-------------------------
John M. Corcoran



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