Who makes Kirkland Signature Imported French Brie (Isigny Sainte-Mère, Double Cream, 21.16 oz)?
As of July 5, 2026, the manufacturer of Kirkland Signature Imported French Brie (Isigny Sainte-Mère, Double Cream, 21.16 oz) is Isigny Sainte-Mère, per on-label, first-party, or executive statement evidence.
The common claim
What most answers say — and what the evidence supports
Top-ranking answers name Isigny Sainte-Mère, and the evidence is on the label: Costco sells the cheese as 'Kirkland Signature Isigny Ste Mere Imported French Brie,' printing the maker's name in the product title on its own listing, and food-media coverage confirms the Isigny Ste. Mère brand is stamped on the package. Isigny Sainte-Mère is a Normandy dairy cooperative (founded 1909) that makes the double-cream brie, which is labeled 'Made in Normandy.' The claim that Isigny Sainte-Mère makes Costco's French cheeses holds specifically for this brie.
Evidence & sources
Every source is graded on the six-tier rubric and archived, so the citation holds even if the original moves or paywalls. The tier badge grades the source; the status grades our confidence in the maker.
Tier 4
Costco's own listing names the maker in the product title itself: 'Kirkland Signature Isigny Ste Mere Imported French Brie, 21.16 oz,' with the origin 'Made in Normandy.' Isigny Sainte-Mère is the well-known Normandy dairy cooperative and cheesemaker. This is an on-label co-brand exposed on Costco's own product page — a direct, first-party naming of the manufacturer.
Tier 6
Corroborates the on-label co-brand: 'the brand behind the brie is stamped right on the package: Isigny Ste. Mère,' identifying the cheesemaker as the Normandy cooperative Isigny Sainte-Mère, whose brie 'matures onsite within the Isigny Ste Mere cellars.' Food-media reporting of a label observation; the load-bearing fact (the co-brand printed on the pack) is independently visible on Costco's own listing.
Frequently asked
Who makes Kirkland Signature imported French brie?
Where is Kirkland Signature brie made?
Does Isigny Sainte-Mère make other Costco cheeses?
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