Is Si short for anything?

Yes. Si is a nickname in most old records, and it usually points to Silas. Less often it stands in for Simon, Simeon, and Josiah, among others. Expect it in American records, mostly 1700s-1800s. A record that says Si and a record that says Silas can easily be the same person, so search both names before you rule anyone out.

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FAQs

Is Si a nickname?+

In old records, almost always - it stands for Silas or Simon. Treat it as a pointer to a formal name until the documents prove otherwise.

Is Si a real name on its own?+

It mostly rode on Silas in the eras we track (1700s-1800s). If your ancestor's papers only ever say Si, record it as written and keep Silas as a candidate.

How does this nickname lookup work?+

It searches a curated dataset of historical nickname-to-formal-name mappings - in both directions - entirely in your browser. Nothing you type is uploaded or stored on our servers.

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