Daily Ancestorin quorum fidem
In quorum fidem is Latin for in witness whereof, the closing words before a signature that confirm the record.
In quorum fidem means in confirmation of which. The BYU list of common phrases places it among the certification phrases and translates it as in confirmation whereof (I sign).
You see it at the end of certificates and extracts. Compare such a copy with the original register entry when you can, since copies can contain errors.
As seen in a recordEnd of a Latin baptism certificate, Austria, 1850s
In quorum fidem me subscribo, Neudorf, die 3 Martii 1856
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Daily Ancestor. "in quorum fidem." Dictionary of Old Record Words. https://dailyancestor.com/dictionary/latin/in-quorum-fidem. Last checked 2026-10-12.