THIS INFO WAS SENT BY A VISITOR TO F.A.G. , I have not verified it, but decided to post it. Before you site it in your research or make any assumptions as to its effect on your family, you should verifiy it yourself.
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This is Elizabeth Lane [Gibson] Harris Webb, born 25 Aug 1827. She was first married to Jeremiah Harris, had 4 children, Mary, Silas, Elizabeth and Ann. She was widowed by 1850. She married as her second husband Claiborne Webb.

1850 US Census Missouri, Jackson Co., Sni-A-Bar Township:
Gibson, Silas 55 M $3000 b. SC
Elizabeth 42 F b. TN (age is misstated here - she was 52)
Washington 24 M b. KY
Samuel J. 18 M b. KY
Mary 13 F b. MO
Harris Elizabeth 25 F b. MO (widowed daughter)
Mary 8 F b. MO (grandaughter)
Silas 6 M b. MO (grandson)
Elizabeth 4 F b. MO (granddaughter)
Ann 2 F b. MO (granddaughter)
5 slaves
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Elizabeth [Lane] Gibson was born in 1798, rather than date shown on posting - she was shown age 61 on the 1860 census and age 81 on the 1880 census of Sni-A-Barn, Jackson Co., Missouri.

1860 US Census Pink Hill PO, Sni-A-Bar Twp, Jackson Co., Missouri 14 Jul 1860 HH 1293
Silas Gibson 63 M Farmer 4,500/1,500 South Carolina
Elizabeth 61 F Tennessee Cannot Read or Write
Timothy Slohan 28 M Farm Hand 0/60 Ireland " " "

1880 US Census Sniabar, Jackson, Missouri
Nancy Dillingham 52
Silas V. Dillingham 25
Minerva J. Dillingham 23
Elizebeth Gibson 81 (widow of Silas gibson
Andrew Hamilton 21

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A contributor said that the year of birth was 1798 and not 1838 as was indicated. I have not personally examined the stone close enough to have an opinion. It is difficult to real. If you are doing research please be aware of both years. Also examine the photo closely in case you disagree with both dates.
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A contributor said she is the daughter of Elizabeth and Samuel Lane. If they have a memorial please let me know and I will link them.