Daily AncestorRobt.
Robt. is an old abbreviation of the first name Robert, common in deeds, wills, church registers and census pages.
Robt. is a clerk's shorthand for the given name Robert. 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 final t is often raised above the line, which can make it look like Rob followed by a stray mark. It is still Robert.
As seen in a recordName column of the 1850 census
Robt. Gray, 40, Shoemaker, Ky.
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Daily Ancestor. "Robt.." Dictionary of Old Record Words. https://dailyancestor.com/dictionary/abbreviations/robt. Last checked 2026-10-01.