1.  Jordan R. Dodd.  Marriage Index:  Michigan and Wisconsin, 1830-1900.  Liahona Research, Orem, UT (Broderbund CD-251):

Hopkins, Elam

Holt, Semanth E.

1 Nov 1851

Ingham Co., MI

2.  1850 Census Every-Name-Index/Images (online at Ancestry.com; Image #1 of 16):  Stockbridge, Ingham Co., MI, Roll 351 (Book 1), p. 24B, 150/150, enumerated 27 Jul 1850, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):¤•

Elim Hopkins	26	M		Farmer	1000	Canada
Harriet  "	20	F				do

Harriet is Elam's sister, not his wife.  Listed two households from Silas HOLT, Elam's future father-in-law.

3.  1860 Census Images (online at Ancestry.com; Image #22-23 of 23):  Fitchburg P.O., Stockbridge Twp., Ingham Co., MI, pp. 22-23, PN 22-23, 165/173, enumerated 9 Jun 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):¤•

S Hopkins	26	F		farmer	2000	400	NY
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M Hopkins	7	F					Mich
A Hopkins	5	M					"
S Holt	22	M		farm hand		100	NY
H J	21	F					"

S. HOLT must be Samantha's newywed brother, Squire HOLT, and H.J. HOLT must be Squire's wife, Hannah J. (LORD) HOLT.

4.  LDS.  Family Search: Internet Genealogy Service:  IGI - International Genealogical Index (online at FamilySearch.org).