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

Earl KNOWLES Spouse: Anna BENNETT Marriage: 27 May 1906, Covington, Kenton, Kentucky Source: "Extracted marriage record for locality listed in the record."

Hugh A. KNOWLES Spouse: Sarah A. CARPENTER Marriage: 24 Jan 1884, Cass, Illinois Source: Vital Records, 1837-1915. Cass County (Illinois). County Clerk

2.  1890 Census:  the 1890 Census Population Schedules were destroyed.

3.  1900 Census Every-Name-Index/Images (online at Ancestry.com):  There is an Earl KNOWLES (æ 10, b. Aug 1889, IL) living in Virgina City, Cass Co., IL (p. 149B), with his parents, Hugh A. KNOWLES (æ 62, b. Dec 1837, IN; carpenter) and Sarah A. (æ 39, b. Feb 1861, IL), plus siblings, who is likely our subject.  Minnie STRAUB-HUSTON (æ 9, b. Jul 1890, OH) is living in Zanesville, Muskingum Co., OH, with her mother and stepfather (q.v.).

4a.  1910 Census Every-Name-Index/Images (online at Ancestry.com, Image #22 of 36):  Baughman Avenue, Mifflin Twp. (North Pct.), Franklin Co., OH, Roll T624_1181, p. 305A, SN 17A, SD 11, ED 26, enumerated 2 May 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	10	11	12	13	14	17	18	19	20	21	22	23	24	26	27	28
*	292	300	Knowles Earl	Head	M	W	21	M1	3			IL	IL	IL	Eng	Wagon driver	Express Co	W	N	0	Y	Y	O	M	H
			_______ Anna	Wife	F	W	20	M1	3	3	1	OH	OH	OH	Eng	None					Y	Y
			_______ Helen	Dau	F	W	0/12	S				OH	IL	OH		None
*Baughman Avenue

4b.  1910 Census Every-Name-Index/Images (online at Ancestry.com):  Minnie STRAUB (æ 19, b. OH) is living in Columbus, Franklin Co., OH, with her mother (q.v.).

5.  1920 Census Every-Name-Index/Images (online at Ancestry.com, Image #4 of 21):  95 Central Avenue, Columbus City (Ward 11, Pct. C), Franklin Co., OH, Roll T625_1383 (Book 1), p. 22B, SN 2B, SD 12, ED 185, 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

2

3

4

5

6

7

9

10

11

12

16

17

18

19

21

23

25

26

27

28

*

95

44

45

Knowles Earl

Head

R

M

W

30

M

Y

Y

IL

IL

IL

Y

laborer

motor co

W

_______ Helen V

Dau

F

W

10

S

Y

Y

Y

OH

IL

OH

Y

none

_______ Vera M

Dau

F

W

6

S

Y

WA

IL

OH

none

_______ Harold E

Son

M

W

2 7/12

S

OH

IL

OH

none

Sullivan Minnie M

Housekeeper

F

W

29

M

Y

Y

OH

OH

OH

Y

housekeeper

private family

W

*Central Avenue

6.  1930 Census Every-Name-Index/Images (online at Ancestry.com, Image #15 of 71):  1036 Harrisburg Pike, Franklin Twp., Franklin Co., OH, Roll 1792 (Book 2), p. 197B, SN 7B, ED 25-181, SD 17, enumerted 14 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

2

3

4

5

6

7

8

10

11

12

13

14

15

16

17

18

19

20

24

25

26

27

28

30

*

1036

141

143

Knowles Earl M

Head

O

$3500

N

M

W

40

M

15

N

Y

IL

IL

IL

Y

Superintendent

Sand and Gravel Co

W

Y

N

_______ Minnie M

Wife

F

W

39

M

22

N

Y

OH

OH

OH

Y

none

_______ Harold E

Son

M

W

12

S

Y

Y

OH

IL

OH

Y

none

_______ Buealh? M

Dau

F

W

9

S

Y

OH

IL

OH

Y

none

_______ Irenua? L

Dau

F

W

6

S

Y

OH

IL

OH

none

*Harrisburg Pike

7.  WorldConnect / Ancestry World Trees (online at RootsWeb.com/Ancestry.com).