— born in Buchanan Co., IA:
  4.  Eve Viola HOPKINS, b. 20 Jul 1855/6
  5.  Clara Ann HOPKINS, b. 18 Jul 1858
  6.  Sarah Iresa HOPKINS, b. 14 Sep 1860
  7.  Minnie Eliza HOPKINS, b. 25 Apr 1863

— born in Tuscola Co., MI:
  8.  Jennie Elizabeth HOPKINS, b. 8 Jan 1867
  9.  Bertha May HOPKINS, b. 4 May 1869
10.  Frank Loucks HOPKINS, b. 25 Mar 1873

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

Hopkins, Henry L.

Mills, Mary A.

20 Oct 1847

St. Clair Co., MI

2.  1850 Census Index/Images (online at Ancestry.com):  can't find.

3.  1860 Census Index/Images (online at Genealogy.com, Image #5 of 16):  Fairbanks P.O., Alton Twp., Buchanan Co., IA, Roll 313, p. 665, PN 181, 1374/1337, enumerated 26 Jul 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):¤•

Henry L Hopkins	35	M		carpenter & joiner	300	200	Mich
Mary A Hopkins	30	F					NY
Lucy C Hopkins	11	F					Mich
Almeda Hopkins	7	F					"
Geo W Hopkins	6	M					"
Eda? Hopkins	4	F					Iowa
Clara Hopkins	1	F					"

4.  1870 Census Index/Images (online at Genealogy.com, Image #4 of 12):  Ellington P.O., Ellington, Tuscola Co., MI, Roll 705 (Book 1), p. 67B, PN 4, 29/29, enumerated 12 Jul 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):¤•

Hopkins Henry L	47	M	W	Carpenter	800	200	Canada
_______ Mary A	40	F	W	Keeping House			New York
_______ Lucy	20	F	W	At Home			Michigan
_______ Almeda	18	F	W	At School			"
_______ George	16	M	W	"    "			"
_______ Eva	14	F	W	"    "			Iowa
_______ Clara	11	F	W	"    "			"
_______ Sarah	9	F	W	"    "			"
_______ Minnie	7	F	W				"
_______ Jennie	3	F	W				Michigan
_______ Bertha	1	F	W				"

5.  1880 Census (indexed at FamilySearch.org; page image online at Ancestry.com, Image #29 of 46):  Village of Caro, Tuscola Co., MI, Roll 607 (Book 1), p. 176A, PN 17, SD 3, ED 406, enumerated 8 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

11

13

21

24

25

26

174

179

Hopkins H L

W

M

56

/

Carpenter

Canada

Vt

NY

_______ Mary

W

F

51

Wife

/

Keeping house

NY

Vt

Vt

_______ Jennie

W

F

13

Dau

/

/

Mich

Canada

NY

_______ Bertha

W

F

11

Dau

/

/

Mich

Canada

NY

_______ Frank

W

M

7

Son

/

/

Mich

Canada

NY

_______ Mary C

W

F

84

Mother

W

NY

NY

NY

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

7.  1900

8.  1910

9.  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. 514	410.  HENRY LOUCKS8 (NORMAN,7 NEHEMIAH,6 NEHEMIAH,5 EBENEZER,4 EBENEZER,3 STEPHEN,2 JOHN1), b. at Detroit, Michigan, 2 February 1823; m. at Lexington, Michigan, 2 February 1848, Mary Almeda Mills, b. at Burlington, Vermont, 28 January 1829, daughter of Clark Oramel and Mary (Olds) Mills.  He d. at Caro, Michigan, 3 October 1908; she d. there 18 January 1917. A vessel owner and captain, and a building contractor.  He was a Presbyterian and in politics an Independent.  He served in two wars, having been a private in that with Mexico and a Captain in the Civil War.  Enlisting at Independece, Iowa, 16 February 1864, as Captain of Company G, First Iowa Cavalry, he was discharged at Shreveport, Louisiana, 22 April 1866.   In the engagement at Sunflower Landing, Louisiana, 16 November 1864, he was wounded by a saber cut on his chin. Children:      LUCY CATHERINE,9 b. 29 July 1849, at Lexington, Michigan...
p. 515	ALMEDA SAMANTHA,9 b. 14 December 1851, at Lexington... 687. GEORGE WILLIAM,9 b. 29 May 1853, at Lexington...      EVA VIOLA,9 b. 20 July 1856, at Lexington...      CLARA ANN,9 b. 18 July 1858, at Independence, Iowa...      SARAH IRESA,9 b. 14 September 1860, at Independence...      MINNIE ELIZA,9 b. 25 April 1863, at Independence...
p. 516	JENNIE ELIZABETH,9 b. 8 January 1867, at Caro...      BERTHA MAY,9 b. 4 May 1869, at Caro... 688. FRANK LOUCKS,9 b. 25 March 1873, at Caro...

Based on the censuses, Eva was born in Iowa in 1855.