Who makes Kirkland Signature Imported French Brie (Isigny Sainte-Mère, Double Cream, 21.16 oz)?
As of September 3, 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’s commonly claimed, and what the evidence supports
Top-ranking answers name Isigny Sainte-Mère, and the evidence is on the label: Costco's own listing names the maker outright — the product description reads 'Traditionally crafted in Normandy, France by Isigny Ste Mere' — 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
Each source is graded on the six-tier evidence rubric, where tier 1 is strongest. Sources are archived, so a citation still works if the original page moves or goes behind a paywall.
Tier 4
Costco's own listing for the same wheel (1.32 lbs = 21.16 oz, sku 1981512) names the maker in its product description and feature bullets: 'Traditionally crafted in Normandy, France by Isigny Ste Mere.' 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. Replaces the predecessor listing (item #100397761), delisted and 404 since the 2026-08 link check, whose product title itself read 'Kirkland Signature Isigny Ste Mere Imported French Brie, 21.16 oz'; that title-level naming is preserved in the 2024-09-27 Wayback snapshot (web/20240927014357).
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 key 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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