1.  Marriage Record:

2.  1850 Census Index/Images (online at Ancestry.com; Image #174 of 502):  City of Detroit (27th District), Wayne Co., MI, p. 87B, 979/1227, enumerated 20 Aug 1850, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):¤•

Jackson Dygert	23	M		Book Binder		NY
Semantha  "	19	F				Canada
Catharine Hopkins	55	F				NY
Orson Carson	20	M		Sailor		Ireland
W A Hopkins	28	M				Ohio

"Catharine"?  Shouldn't she be Mary Cynthia?  Or is Hopkins (1932: 344 — see below) wrong about her middle name?  "W.A." is Samantha's brother, William Alvah HOPKINS.

3.  1860 Census Index/Images (online at Genealogy.com, Image #22 of 177):  Detroit P.O., City of Detroit (Ward 6), Wayne Co., MI, Roll 566 (Book 1), p. 520, PN 22, 145/142, enumerated 5 Jun 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):¤•

A J Dygert	32	M		Bookbinder		300	New York
Samantha Dygert	29	F					Canada
N S Dygert	7	M					Mich
A S Dygert	5	M					do
E H Dygert	2	M					do
A J Dygert Jr	1	M					do
Mary Hopkins	60	F					New York

Mary is Samantha's mother.

4.  1870 Census Index/Images (online at Genealogy.com, Image #61 of 120):  Grand Rapids P.O., Grand Rapids (Ward 2), Kent Co., MI, Roll 681, p. 287A, PN 61, 444/437, enumerated 2 Jul 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):¤•

Dygart Andrew J	43	M	W	Book Binder		4000	New York
______ Samantha	40	F	W	Keeping House			Canada
______ Nate S	17	M	W	Wrks in Bindery			Michigan
______ Sylvanus	15	M	W	At School			Michigan
______ Frank	13	M	W	At School			Michigan
______ Jackson	11	M	W	At School			Michigan

5.  1880 Census Index/Images (online at Ancestry.com, Image #13 of 32):  672 Mission Street, San Francisco (Ward 10), San Francisco Co., CA, Roll T9_76, p. 52C, PN 3, SD 1, ED 114, enumerated 1 Jun 1880, official enumeration date 1 Jun 1880 (extracted by Diana Gale Matthiesen):¤•

1880:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).

1

2

3

4

5

6

8

9

10

13

24

25

26

*

672

17

28

Dygert Andrew J

W

M

53

/

Book binder

New York

NY

NY

______ Cornelia

W

F

50

Wife

/

Keeping house

Canada

Vermont

Prussia

______ Jackson

W

M

21

Son

/

Book binder

Michigan

NY

Canada

*Mission Street

"Prussia"?  LOUCKS is a German surname, so perhaps her grandparents were immigrants, but her mother was born in New York.

6.  1890 Census:  the 1890 Census Population Schedules were destroyed.

7.  1900 Census Index/Images (online at Genealogy.com, Image #6 of 140):  Fifth Street, Portland City (Ward 8, Precinct 33), Multnomah Co., OR, Roll 1350 (Book 2), p. 44B, SN 3, SD 2, ED 68, enumerated 2 Jun 1900, official enumeration date 1 Jun 1900 (extracted by Diana Gale Matthiesen):¤•

1900:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).
	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	19	20	22	23	24	25	27
*	70	71	Dygert A J	Head	W	M	Sep 1827	72	M	50			New York	Germany	New York			Book Binder	0	Y	Y	Y	R	H
			______ S C	Wife	W	F	Jul 1830	69	M	50	4	4	Canada (Eng)	Vermont	New York	1877	23			Y	Y	Y
*Fifth

The immigration year has to be enumerator error.  The year 1833 would make sense.

8.  Timothy Hopkins.  1932.  John Hopkins of Cambridge, Massachusetts, 1634, and Some of His Descendants. Stanford Univ. Press, Stanford, CA (available as a facsimile reprint from Higginson Books and online by subscription at GenealogyLibrary.com):

p. 344

NORMAN7 (NEHEMIAH,6 NEHEMIAH,5 EBENEZER,4 EBENEZER,3 STEPHEN,2 JOHN1), b. at Pittsford, Vermont, 17 July 1790; m. at Chatham, Ontario, Canada, 21 January 1815, Mary Cynthia Loucks, b. at Schenectady, New York, 20 Jun 1792... Children...

p. 345

CORNELIA SAMANTHA,8 b. 18 Jul 1830; m. at Detroit, Michigan, 1 July 1850, Andrew Jackson Dygert, b. at Buffalo, New York, 8 September 1827, son of Abraham Sylvanus Dygert, b. 1 September 1795, and Eunice _____, b. 16 April 1797.  He d. at Portland, Oregon, 27 November 1903 she d. there 20 June 1905.  A bookbinder, a Baptist, and a Republican.  The family removed from Detroit to Portland, Oregon. Children surname Dygert, born at Detroit:   I.  NATE SMITH, b. 28 May 1853; m. Cynthia Cole; d. at Berkeley, California, 7 November 1922.  II.  ABRAHAM SYLVANUS, b. 4 March 1855; m. at Detroit, November 1876, Florence Rose Knectell. III.  FRANK HENRY, b. 1857; d. at Salem, Oregon, 13 March 1912.  IV.  ANDREW JACKSON, b. 31 May 1859; m. at Portland, Oregon, 13 February 1887, Ada Cole.