In the 1850 Mortality Census, who would have provided the place of birth?

Question

Specifically, for Nathan Baldwin, (Baldwin-13749)  His place of birth is listed as NB.  This is the ONLY time this was listed as such.  Everywhere else it is listed a New York, or Rochester, NY.  He died in Seneca County, Ohio from Dysentery.

Answer 1

I think you mean Baldwin-13748.  A link to the image of the 1850 Mortality Census would help, as it's possible "NB" was a transcription error.  Most likely the surviving head of household (Mrs Baldwin?) would have provided the info, but it could have been anyone who was home when the Census taker visited.  I suspect sometimes the Census takers provided the info from their own knowledge of the family.  I don't know of any way to determine who provided the info.

Comments

I think it is a transcription error and actually says "N.Y."  the second letter does not look like any of the capital "B" letters on the page.

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Here's a link to the image.  I concur with Kathie:

https://www.familysearch.org/ark:/61903/3:1:S3HT-6Q43-LFD?cc=1420441&personaUrl=%2Fark%3A%2F61903%2F1%3A1%3AM36J-M3P

I also see that familysearch indexed it as NY not NB.

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Thank you all.  This confirmed my first thought, but had been told that it was "NB".  

    Now to find his parents, somewhere in NY. Nathan is my brick wall.