Daily AncestorZach.
Zach. is an old abbreviation of the first name Zachariah, common in deeds, wills, church registers and census pages.
Zach. is a clerk's shorthand for the given name Zachariah. Writers shortened common first names to save time and ink, usually by keeping the first letters and the last one or two, often with the final letters raised above the line.
The abbreviation itself does not tell you which spelling of the name the family preferred, since Zach. could also be read as Zachary. Check other records for the man's name written in full.
As seen in a recordName on a muster roll
Zach. Pruitt, Pvt., 4th Tenn.
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Daily Ancestor. "Zach.." Dictionary of Old Record Words. https://dailyancestor.com/dictionary/abbreviations/zach. Last checked 2026-10-01.