1.  Marriage Record:

2.  1910 Census Every-Name-Index/Images (online at Ancestry.com):  can't find, unless he is Isaac S. RASEY.  Can't find the MABRYs, either.

3.  1920 Census Every-Name-Index/Images (online at Ancestry.com):  can't find, unless he is Isaac S. RASEY.  Can't find the MABRYs, either.

4.  1930 Census Every-Name-Index/Images (online at Ancestry.com, Image #3 of 63 — his first initial is indexed "J," but it's clearly "I"):  "all on leased land," Quapaw Twp., Ottawa Co., OK, Roll 1924 (Book 1), p. 35A, SN 2A, Ed 58-34, SD 3, enumerated 7-8 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

10

11

12

13

14

15

16

17

18

19

20

24

25

26

27

28

30

31

*

50

33

Racey I S

Head

O

100

N

M

W

46

M

21

N

Y

OK

US

US

Y

Miner

Zinc Mine

W

Y

N

_____ Anna

Wife

F

W

38

M

17

N

Y

AR

TX

AR

Y

None

Mabry Herman

StepSon

M

W

20

S

N

Y

AR

AR

AR

Y

Miner

Zinc Mine

W

Y

N

_____ Frances

StepDau

F

W

17

S

N

Y

AR

AR

AR

Y

Housework

Private Home

W

Y

_____ Frank

StepSon

M

W

15

S

Y

Y

AR

AR

AR

Y

None

Webb Bryan

Boarder

M

W

22

S

N

Y

OK

MO

TN

Y

Miner

Zinc Mine

W

Y

N

Hayes Burl

Boarder

M

W

36

M

25

N

Y

AR

AR

AR

Y

Miner

Zinc Mine

W

Y

Y

WW

*all on leased land [refers to everyone on page]

Clearly our subject and Anna have both had prior marriage.  All that's needed to make him Isaac S. RASEY is to change his age to 40.