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EXHIBIT 31.1

PURSUANT TO RULES 13a-14 AND 15d-14 OF THE SECURITIES EXCHANGE ACT OF 1934
AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER

I, Jerry M. Chancellor, certify that:

1.     I have reviewed this quarterly report on Form 10-Q of Jacksonville
Bancorp, Inc. (the Registrant);

2.     Based on my knowledge, this quarterly report does not contain any untrue
statement of a material fact or omit to state a material fact necessary to make
the statements made, in light of the circumstances under which such statements
were made, not misleading with respect to the period covered by this quarterly
report;

3.     Based on my knowledge, the financial statements, and other financial
information included in this quarterly report, fairly present in all material
respects the financial condition, results of operations and cash flows of the
Registrant as of, and for, the periods presented in this quarterly report;

4.     The Registrants other certifying officers and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in
Exchange Act Rules 13a-14 and 15d-14) for the Registrant and we have:

a) designed such disclosure controls and procedures to ensure that material
information relating to the Registrant, including its consolidated subsidiaries,
is made known to us by others within those entities, particularly during the
period in which this quarterly report is being prepared;

b) evaluated the effectiveness of the Registrants disclosure controls and
procedures as of a date within 90 days prior to the filing date of this
quarterly report (the Evaluation Date); and

c) presented in this quarterly report our conclusions about the effectiveness of
the disclosure controls and procedures based on our evaluation as of the
Evaluation Date;

5.     The Registrants other certifying officers and I have disclosed, based on our
most recent evaluation, to the Registrants auditors and the audit committee of
Registrants board of directors (or persons performing the equivalent
functions):

a) all significant deficiencies in the design or operation of internal controls
which could adversely affect the Registrants ability to record, process,
summarize and report financial data and have identified for the Registrants
auditors any material weaknesses in internal controls; and

b) any fraud, whether or not material, that involves management or other
employees who have a significant role in the Registrants internal controls; and

6.     The Registrants other certifying officers and I have indicated in this
quarterly report whether or not there were significant changes in internal
controls or in other factors that could significantly affect internal controls
subsequent to the date of our most recent evaluation, including any corrective
actions with regard to significant deficiencies and material weaknesses.

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|Date: November 24, 2003 |  | /s/ Jerry M. Chancellor
Jerry M. Chancellor
President and Chief Executive Officer