1. Name and Address of Reporting Person
Platten, Peter M.
770 North Water Street
Milwaukee, WI 53202
USA
2. Issuer Name and Ticker or Trading Symbol
Marshall & Ilsley Corporation (MI)
3. IRS or Social Security Number of Reporting Person (Voluntary)
4. Statement for Month/Year
8/2002
5. If Amendment, Date of Original (Month/Day/Year)
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
(X) Director ( ) 10% Owner
( ) Officer (give title below) ( ) Other (specify below)
7. Individual or Joint/Group Filing (Check Applicable Line)
(X) Form filed by One Reporting Person
( ) Form filed by More than One Reporting Person
TABLE I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
+---------------------------------+----------+-------------+-----------------------------+----------------+-----------+------------+
|1. Title of Security |2. Trans- |3. Trans- |4. Securities Acquired (A) |5. Amount of |6. Owner- |7. Nature |
| | action | action | or Disposed of (D) | Securities | ship | of In- |
| | Date | Code | | Beneficially | Form: | direct |
| | | | | Owned at | Direct | Bene- |
| | (Month/ | | | End of | (D) or | ficial |
| | Day/ +-------+-----+-----------+------+----------+ Month | Indirect| Owner- |
| | Year) |Code |V |Amount |A/D |Price | | (I) | ship |
+---------------------------------+----------+-------+-----+-----------+------+----------+----------------+-----------+------------+
Common Stock 08/07/2002 G V -2040 D $0.0000 D
Common Stock 08/15/2002 S -10000 D $30.6553 141950 D
Common Stock 5234 I Spouse
Common Stock 85780 I Peter Platten
Properties
Common Stock 5652 I IRA Spouse
Common Stock 08/15/2002 S -15000 D $30.6553 22721.788 I IRA DRP
Common Stock 44184 I 401(K) Plan
Common Stock 48532 I Irrev. Trust
Common Stock 129278 I Family Trust
Common Stock 9170 I IRA
Common Stock 08/07/2002 G V 170 A $0.0000 3300 I 1998
Education
Trust
(Spouse)
Common Stock 08/07/2002 G V 170 A $0.0000 2050 I Education
Trust
Common Stock 08/07/2002 G V 170 A $0.0000 1430 I 1999
Education
Trust
(Spouse)
Common Stock 08/07/2002 G V 170 A $0.0000 1090 I 2000
Education
Trust
(Spouse)
Common Stock 08/07/2002 G V 170 A $0.0000 680 I 2001
Education
Trust
(Spouse)
TABLE II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned
+-------------+--------+----------+---------+-----------+---------------------+----------------+----------+--------+-------+-------+
|1. |2. |3. |4. |5. |6. |7. |8. |9. |10. |11. |
| | | | | | | | |Number |Owner- | |
| | | | | | | | |of |ship | |
| | | | | | | | |Deriv- |Form of| |
| | | | | | |Title and Amount| |ative |Deriv- | |
| | | | | | |of Underlying | |Secur- |ative |Nature |
| |Conver- | | |Number of | |Securities | |ities |Secur- |of |
| |sion or | | |Derivative |Date Exercisable +-------+--------+ |Benefi- |ity: |In- |
| |Exercise| | |Securities |and Expiration Date | |Amount | |cially |Direct |direct |
| |Price of|Transac- |Transac- |Acquired(A)|(Month/Day/Year) | |or | |Owned |(D) or |Bene- |
|Title of |Deriv- |tion Date |tion Code|Disposed(D)+----------+----------+ |Number |Price of |at End |In- |ficial |
|Derivative |ative |(Month/ +------+--+-----+-----+Date Exer-|Expira- | |of |Derivative|of |direct |Owner- |
|Security |Security|Day/Year) |Code |V |(A) |(D) |cisable |tion Date |Title |Shares |Security |Month |(I) |ship |
+-------------+--------+----------+------+--+-----+-----+----------+----------+-------+--------+----------+--------+-------+-------+
Explanation of Responses:
The share balances give effect to a 2-for-1 stock split in the form of a stock
dividend paid on June 14, 2002.
SIGNATURE OF REPORTING PERSON
/s/ Ryan E. Daniels
DATE
09/04/2002