The number of people signing on the live register in Cavan and Monaghan fell by 173 last month.
The latest CSO data shows County Monaghan saw the biggest drop with 114 fewer people on the register there in October when compared with the previous month.
County Cavan saw a drop of 59.
A total of 5,539 people were on the live register in the Northern Sound region in October.
Year on year the two counties saw a drop of 414 people signing on, 292 in Monaghan and 122 in Cavan.