1.  Marriage Record:

2.  1880 Census Every-Name-Index/Images (online at Ancestry.com):  can't find either Charles or Matilda, whom we'd expect to find living with their parents.

3.  1890 Census:  the 1890 Census Population Schedules were destroyed.

4a.  1900 Census Every-Name-Index/Images (online at Ancestry.com, Image #8 of 40):  Carlisle Town, Haddon Twp., Sullivan Co., IN, Roll T623_404, p. 105B, SN 4, SD 2, ED 128, 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	13	14	15	19	22	23	24
101	107	Willis Alvin	Lodger	W	M	Feb 1880	20	S	IN	IN	IN	Grocery man	Y	Y	Y

Living w/IRVINE family.  Listed next to [Charles] Alvin's presumed brother, French WILLIS.

4b.  1900 Census Every-Name-Index/Images (online at Ancestry.com):  Matilda EDMUNDS (æ 25, b. Jan 1875, AZ/NY/AZ) is boarding in Bisbee Village, Bisbee Dist., Cochise Co., AZ (p. 75B).

5.  1910 Census Index/Images (online at Ancestry.com):  can't find, and I really looked

6.  1920 Census Every-Name-Index/Images (online at Ancestry.com, Image #12 of 32):  645 Chestnut Ave., Long Beach City (Ward 46), Long Beach Twp., Los Angeles Co., CA, Roll T625_104, p. 164B, SN 6B, SD 8, ED 95, enumerated 10 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

*

645

128

185

Willis Charles A

Head

R

M

W

39

M

Y

Y

IN

IN

IN

Y

Contractor

Buildings

Em

______ Matilda

Wife

F

W

42

M

Y

Y

AZ

MA

AZ

Y

None

______ Frances C

Dau

F

W

11

S

Y

Y

Y

CA

IN

AZ

Y

None

*Chestnut Ave

7.  1930 Census Index/Images (online at Ancestry.com, Image #1 of 44):  236 Lorna Avenue, Long Beach City, Los Angeles Co., CA, Roll 129, p. 116A, SN 1A, ED 19-1076, SD 19, enumerated 2 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	29	30
*	236	12	12	Willis Charles A	Head	O	$10,000	N	M	W	50	M	24	N	Y	IN	IN	IN	Y	Contractor	Building Own Business	E	N	1a-3	N
				______ Matilda	Wife				F	W	50	M	24	N	Y	AZ	NY	AZ	Y	None
				______ Frances	Dau				F	W	21	S		Y	Y	CA	IN	AZ	Y	None
*Lorna Avenue

6.  CABI:  California Birth Index, 1905-1995 (online at Ancestry.com):  Frances not found, which raises the question whether she really was born in CA.

7.  CADI:  California Death Index, 1940-1997 (online at RootsWeb.com and Ancestry.com):

Last Name	First Name	Middle	Birth Date	Mother Maiden	Father Last	Sex	Birth Place	Death Place (County)	Death Date	Age	Post-em
WILLIS	Matilda	Edmunds	01/01/1875	CRUZ	EDMUNDS	F	AZ	Los Angeles (19)	01/24/1959	84	Yes