Mississippi Code Title 21. Municipalities § 21-29-45

(a) If any member dies for causes other than the performance of duty in the service of the municipality before completing five (5) years' service, there shall be paid to his or her designated beneficiary or his or her legal representative, if no beneficiary has been designated, from the employees' savings fund the sum equal to the amount accumulated in his or her individual account.

(b) If any member dies who has not had less than five (5) and not more than twenty (20) years' service with the municipality, there shall be paid to the spouse, from the retirement reserve fund, for each year's active service, not to exceed a period of twenty (20) years, one-fortieth ( 1/40 ) of the average monthly salary or compensation received by the member in the four-year or two-year period, as the case may be, next preceding the death, for the use of the spouse and the child or children of the deceased member under the age of eighteen (18) years, so long as the spouse remains unmarried. If, after the marriage of the spouse, there remains a child or children of the deceased member under the age of eighteen (18) years, the payments shall continue to be made to a parent or lawful custodian of the child or children without the necessity of appointment as guardian for the benefit of the child or children, so long as the child or children are under the age of eighteen (18) years. After the death or marriage of the spouse, all payments to the spouse shall cease, and after the death or attainment of eighteen (18) years of any child or children of the deceased, all payments to the child or children over eighteen (18) years of age shall cease. If the deceased member is not survived by a spouse or child or children under the age of eighteen (18) years, but is survived by a father or a mother dependent upon him or her, the payments shall continue to be made to the dependent father or mother, or both, so long as each lives. The word “dependent,” as used in this section, shall mean “wholly dependent,” as determined by the retirement board.

(c) If any member dies after having completed twenty (20) years' service as required by Section 21-29-31, or if any retirant dies, there shall be paid from the retirement reserve fund to the spouse or the dependents designated in paragraph (b) of this section, the amount of benefits or retirement pay equal to the sum being paid to the deceased member or retirant, or which would have been paid to the deceased member or retirant if he or she had applied for benefits under this section, on the date of his or her death.

(d) If any member dies before becoming eligible to receive benefits under this article as a result of the performance of duty to the municipality, there shall be paid to the spouse or dependents designated in paragraph (b) of this section from the retirement reserve fund, an amount equal to fifty percent (50%) of the monthly salary of the deceased member on the date of his or her death. This amount shall be paid to the same beneficiaries and for the same period of time as those beneficiaries and periods of time set forth in paragraph (b) of this section.