Central defender Killock will stay at Blue Square Bet Premier side Alfreton for another month, midfielder Turner will remain at Blue Square North leaders Chester for a similar period and goalkeeper Cairns has extended his spell with Stalybridge Celtic.
First-team squad members Zac Thompson and Robbie Rogers' immediate futures will also be decided this month.
Midfielder Thompson has established himself as a regular for npower League One strugglers Bury, scoring twice in 17 appearances, but his loan is due to expire on January 4.
American winger Rogers has featured on nine occasions for npower League one side Stevenage after joining them in August and is scheduled to return to Leeds on January 15.
- Sports & Recreation
- Zac Thompson
- Robbie Rogers
- Blue Square Bet Premier