The ballot order, per the Boston Elections Department:
-- Natalie Carithers (former aide to ex-state Rep. Willie Mae Allen)
-- Danielle Renee Williams (Roxbury resident)
-- Cornell Mills (former foreclosure prevention specialist, son of former state Sen. Dianne Wilkerson)
-- Tito Jackson (former political aide to Gov. Deval Patrick)
-- Roy Owens (perennial candidate)
-- Althea Garrison (perennial candidate and former state representative)
The preliminary is scheduled for Feb. 15. District 7 includes Dorchester, Roxbury, Lower Roxbury, and parts of the Fenway, and the South End.