1a.  LDS.  Family Search: Internet Genealogy Service: IGI - International Genealogical Index (online at FamilySearch.org).

George Washington IRVIN Birth: 25 Jul 1861, Jefferson, Missouri; Death: 14 Mar 1905 Father: Noble W IRVIN; Mother: Elizabeth Jane FOSTER Marriage: 27 Dec 1890, Hillsboro, Jefferson, Missouri Spouse: Florence M HOPSON Source: patron submissions

1b.  LDS.  Family Search: Internet Genealogy Service:  AF - Ancestral File (online at FamilySearch.org).

2.  1860 Census Every-Name-Index/Images (online at Ancestry.com):  Noble IRVIN (æ 30, b. IRL) and his wife, Elizabeth (æ 17?, b. IL), are living in Plattin Twp., Jefferson Co., MO (p. 472), with their children.

3.  1870 Census Every-Name-Index/Images (online at Ancestry.com):  George IRWIN (æ 10, b. MO) is living in Jackson Twp., Ste. Genevieve Co., MO (p. 514B), with his parents, Nobel IRWIN (æ 35, b. IRL) & Jane (æ 26, b. IL), plus siblings, including James (æ 4, b. MO).  James HOPSON (æ 38, b. IN) and his wife, Mary A. (æ 38, b. KY) are living in Valle Twp., Jefferson Co., MO (p. 390B), with their children [who jibe with the children in 1880].

4.  1880 Census Every-Name-Index/Images (online at Ancestry.com):  George IRVEN (æ 20, b. MO) is living in Perry Twp., St. Francois Co., MO (p. 464B), as a laborer with the HANNA family.  Noble IRVINE (æ 48, b. IRL) is living in Plattin Twp., Jefferson Co., MO (p. 48B), with his wife, Eliza (æ 40, b. IL), and children, including son James (æ 16, b. MO).  Florence M. HOPSON (æ 7, b. MO) living in Valle Twp., Jefferson Co., MO (p. 27D), with her parents, John HOPSON (æ 49, b. IN) & Mary H. (æ 49, b. KY), plus siblings.

5.  1890 Census:  the 1890 Census Population Schedules were destroyed.

6.  1900 Census Every-Name-Index/Images (online at Ancestry.com, Image #47 of 55):  Valle Twp., excluding DeSoto City, Jefferson Co., MO, Roll T623_867, p. 205A, SN 24, SD 10, Ed 61, enumerated 3 Jul 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

19

20

21

22

23

24

25

26

27

445

449

Irwin George W

Head

W

M

Jul 1860

39

M

10

MO

MO

MO

Teamster

0

Y

Y

Y

O

M

H

_____ Florence

Wife

W

F

May 1874

26

M

10

5

5

MO

MO

IN

Y

Y

Y

_____ Grace M

Dau

W

F

Jun 1892

7

S

MO

MO

MO

At School

7

_____ Thomas

Son

W

M

Oct 1894

5

S

MO

MO

MO

_____ Harry

Son

W

M

Sep 1897

2

S

MO

MO

MO

_____ Dolly B

Dau

W

F

Apr 1900

2/12

S

MO

MO

MO

_____ David B

Son

W

M

Apr 1900

2/12

S

MO

MO

MO

Listed next to brother, James L. IRWIN (æ 36, b. Sep 1863, MO).

7.  1910 Census Every-Name-Index/Images (online at Ancestry.com, Image #7 of 46):  Valle Twp., Jefferson Co., MO, Roll T624_792, p. 229A, SN 4A, SD 11, ED 40, enumerated 21 Apr 1910, official enumeration date 15 Apr 1910 (extracted by Diana Gale Matthiesen):¤(•)

1910:  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

12

13

14

17

18

19

20

21

22

23

24

25

26

27

28

29

X

X

Strouup George

Head

M

W

53

Mi

3

MO

unk

unk

Eng

R R

Labor

W

N

N

O

F

F

52

_______ Florence

Wife

F

W

36

Mi

3

MO

MO

MO

Eng

none

none

Y

Y

_______ Grace Irwin?

Dau

F

W

18

S

MO

MO

MO

Eng

working

Shoe Factory

Y

Y

_______ Thomas W?

Son

M

W

16

S

MO

MO

MO

Eng

working

Shoe Factory

W

N

0

Y

Y

_______ Harry L

Son

M

W

12

S

MO

MO

MO

Eng

none

none

Y

Y

Y

_______ David B

Son

M

W

10

S

MO

MO

MO

Eng

none

none

Y

Y

Y

This enumerator was really sloppy.  He had "Mi" for the marital status of all the married couples; I have no idea what it stood for.  The children should all have been labeled stepchildren because they're Florence's children from her prior marriage. 

8.  1920 Census Every-Name-Index/Images (online at Ancestry.com, Image #4 of 23):  East Kelly [St.], City of DeSoto (Ward 4), Jefferson Co., MO, Roll T625_930, p. 276B, SN 2B, SD 11, ED 48, enumerated 3 Jan 1920, official enumeration date 1 Jan 1920 (extracted by Diana Gale Matthiesen):¤•

1920:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).
1	3	4	5	6	7	9	10	11	12	17	18	19	21	23	25	26	27	28
*	36	41	Stroup George	Head	R	M	W	66	M	N	N	MO	US	US	Y	Laborer	R R Shops	W
			______ Florence	Wife		F	W	44	M	Y	Y	MO	KY	KY	Y
*East Kelly

9.  1930 Census Every-Name-Index/Images (online at Ancestry.com, Image #5 of 23):  E Kelly St., DeSoto City (Ward 4), Valle Twp., Jefferson Co., MO, Roll 1206, p. 235A, SN 3A, ED 30-22, SD 14, enumerated 3 Apr 1930, official enumeration date 1 Apr 1930 (extracted by Diana Gale Matthiesen):¤(•)

1930:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).
1	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	24	25	26	27	28	30
*	46	51	Stroupe Florence	Head	O	500	R	N	F	W	59	WD		N	Y	MO	MO	IN	Y	none
			Williams Elmer	S-in-law					M	W	36	M	26	N	Y	IL	IL	IL	Y	laborer	car shop	W	Y	N
			________ Grace	Dau					F	W	35	M	25	N	Y	MO	MO	MO	Y	stitcher	shoe factory	W	Y
*E Kelly St

10.  WorldConnect / Ancestry World Trees (online at RootsWeb.com/Ancestry.com).  In the Notes of a file there submitted by Joann Camacho:

Missouri State Archives, Jefferson City Missouri Film C8710 file 3982 will of John Hopson dated 12 Dec 1901.  Lists Florance May Irvin as his daughter.