1.  Marriage Record

2.  1910 Census

3.  1920 Census Index/Images (online at Ancestry.com; Image #8 of 27):  527 Grand Avenue, City of South San Francisco, San Mateo Co., CA, p. 103B, SN 4B, SD 7, ED 65, enumerated 6 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

8

9

10

11

12

16

17

18

19

21

22

23

24

25

26

27

28

G r a n d A v e

527

83

86

McGraw Henry

Head

O

M

M

W

42

M

Y

Y

KS

Ire

Eng

KS

Y

Policeman

Police Department

W

______ Mary E

Wife

F

W

42

M

Y

Y

CA

Ire

Eng

Ire

Eng

Y

None

______ Elton

Son

M

W

13

S

Y

Y

Y

CA

KS

CA

Y

None

______ Jack

Son

M

W

10

S

Y

Y

Y

CA

KS

CA

Y

None

______ William

Son

M

W

6

S

Y

CA

KS

CA

Y

None

______ Mary

Dau

F

W

4?/12

S

CA

KS

CA

Y

None

4.  1930 Census

5.  CADI:  California Death Index, 1940-1997 (online at RootsWeb.com and Ancestry.com; missing columns contained no data):

Last Name	First Name	Middle	Birth Date	Mother Maiden	Father Last	Sex	Birth Place	Death Place (County)	Death Date	SSN	Age
McGraw	Henry	Michael	03/10/1878		McGraw	M	Kansas	San Francisco (38)	10/27/1951		73 yrs
McGraw	Mary	E	10/07/1872			F	California	San Mateo	06/17/1974	545-82-1809	101 yrs
McGraw	Elton	Andrew	11/30/1906	McGovern		M	California	San Francisco (38)	05/09/1966	552-44-9607	89 yrs
McGraw	John	Henry	08/10/1909	McGovern		M	California	Napa	10/01/1992	552-44-9610	83 yrs
McGraw	William	Thomas	02/20/1913	McGovern		M	California	San Mateo	04/12/1982	553-22-9177	69 yrs

This Mary McGRAW may not be our subject, but I'll bet she is, with a little age inflation thrown in.  (While people try to appear younger in middle-age, once elderly, they become proud of their age and tend to exagerate it.  The phenomenon is called "age inflation.")

6.  Emails from Dotia Ellen (Henderson) Scriven (2002).