Visitation will be held from 8 a.m. to 11 a.m. Monday at Sacred Heart Catholic Church in Morgan City.
Funeral services will follow at 11 a.m. Monday at the church.
Burial will be in the Morgan City Cemetery.
McManus is survived by his wife, Bonnie Guillot McManus of Morgan City; a daughter, Megan M. Leonard and her husband Kane of Lafayette; two sisters, Phyllis Summerlin and her husband Archie of San Antonio, Texas, and Janice McManus and her companion Beverly of Atlanta; and numerous nieces and nephews.
McManus was preceded in death by his parents; a sister; and a brother-in-law.