As filed with the Securities and Exchange Commission on April 12, 2018.
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                                  SCHEDULE 14A
                     INFORMATION REQUIRED IN PROXY STATEMENT

                            SCHEDULE 14A INFORMATION
           Proxy Statement Pursuant to Section 14(a) of the Securities
                      Exchange Act of 1934 (Amendment No. )

Filed by the registrant   [X]

Filed by a party other than the registrant  [ ]

Check the appropriate box:

[ ]  Preliminary Proxy Statement

[ ]  Confidential, for Use of the Commission Only (as permitted by
     Rule 14a-6(e)(2))

[ ]  Definitive Proxy Statement

[ ]  Definitive Additional Materials

[X]  Soliciting Material under ss. 240.14a-12


                        First Trust Mortgage Income Fund
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                (Name of Registrant as Specified in Its Charter)


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                   (Name of Person(s) Filing Proxy Statement)


Payment of filing fee (Check the appropriate box):

[X]  No Fee Required.

[ ]  Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.

     (1) Title of each class of securities to which transaction applies:

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     (2) Aggregate number of securities to which transaction applies:

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     (3)   Per unit price or other underlying value of transaction computed
           pursuant to Exchange Act Rule 0-11:(1)

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     (4) Proposed maximum aggregate value of transaction:

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     (5) Total fee paid:

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[ ]  Fee paid previously with preliminary materials.

     [ ]  Check box if any part of the fee is offset as provided by Exchange
          Act Rule 0-11(a)(2) and identify the filing for which the offsetting
          fee was paid previously. Identify the previous filing by registration
          statement number, or the form or schedule and the date of its filing.

     (1) Amount previously paid:

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     (2) Form, schedule or registration statement no.:

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     (3) Filing party:

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     (4) Date filed:

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(1) Set forth the amount on which the filing fee is calculated and state how
    it was determined.







FIRST TRUST

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                                                                  April 12, 2018


    Shareholder Name
    Address 1
    Address 2
    Address 3


                                IMPORTANT NOTICE

Re: First Trust Mortgage Income Fund FMY


Dear Shareholder:

We have tried unsuccessfully to contact you regarding a very important
matter concerning your investment in the First Trust Mortgage Income
Fund. This matter pertains to important operating initiatives for First
Trust Mortgage Income Fund which requires your response.

It is very important that we speak to you regarding this matter. The call
will only take a few moments of your time and there is no confidential
information required.

Please contact us toll-free at 1-800-290-6429 between 9:00 a.m. and 10:00
p.m. Eastern time Monday through Friday. At the time of the call please
reference the number listed below. Please contact us before April 23,
2018.

Thank you.

Sincerely,

/s/ James A. Bowen

James A. Bowen
Chairman of the Board


                                                     REFERENCE NUMBER: 123456789

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                        FIRST TRUST MORTGAGE INCOME FUND
          120 East Liberty Drive, Suite 400 o Wheaton, Illinois 60187







                                  FIRST TRUST

                   IMPORTANT NOTICE REGARDING YOUR INVESTMENT

                        FIRST TRUST MORTGAGE INCOME FUND
           120 East Liberty Drive, Suite 400, Wheaton, Illinois 60187

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                                                                  April 12, 2018

Dear Shareholder:

FIRST TRUST MORTGAGE INCOME FUND recently sent to you proxy material regarding
the upcoming Annual Meeting of Shareholders. Your important proxy voting
instructions are needed on proposals affecting First Trust Mortgage Income Fund.
The Annual Meeting is scheduled to be held on Monday, April 23, 2018 at the
Austin, Texas offices of First Trust Advisors L.P., 500 W. 5th Street, Suite
9202, Austin, Texas 78701 at 12:15 p.m. Central Time.

FIRST TRUST MORTGAGE INCOME FUND'S RECORDS INDICATE THAT YOU HAVE NOT YET VOTED.
PLEASE TAKE A MOMENT NOW TO CAST YOUR IMPORTANT VOTE SO THAT YOUR SHARES MAY BE
REPRESENTED AT THE ANNUAL MEETING.

Detailed information about the Annual Meeting and the proposals can be found in
the proxy statement. To simplify matters we have included an additional copy of
your proxy card(s) for your convenience. Should you have any questions about the
proposals, or about how to vote, please call 1-800-290-6429.

Thank you in advance for your attention to this important matter.

Sincerely,

/s/ James A. Bowen

James A. Bowen
Chairman of the Board

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VOTING IS EASY. Please take a moment now to cast your vote using one of the
voting options listed below:

[PICTURE OMITTED] 1.    VOTE BY PHONE. Simply dial the toll-free number located
                        on the enclosed proxy card. Please have the proxy card
                        available at the time of the call.


[PICTURE OMITTED] 2.    VOTE VIA THE INTERNET. Simply visit the website
                        indicated on the enclosed proxy card and follow the
                        instructions on the website.


[PICTURE OMITTED] 3.    VOTE BY MAIL. You may cast your vote by signing, dating
                        and mailing the enclosed proxy card in the
                        postage-prepaid return envelope provided.

                                                                             OBO