Smalley, 29, went straight into the side for Saturday’s FA Trophy win over Nantwich Town.
The former Kendal man is with Celtic until the start of January initially.
He has also played for Clitheroe, Northwich Victoria, Kendal Town and Salford City.
Stalybridge are next in EVO-STIK League Premier Division action on Saturday, when they host Buxton at Bower Fold.
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