death was listed as the 1st. Until obit is found unknown which is in error. SSA death has 15 and Oklahoma State Death index has 1st.

1900 - US Census -

1910 - US Census - Willow Township, Greer, Oklahoma
Household .......Role .........Sex ....Age Birthplace
William P Cook Head .......Male ....30 ..Texas
Sarah J Cook ...Wife .........Female 30 ..Texas
Rubie E Cook ...Daughter Female 8 ....Texas
Ora L Cook .......Daughter Female 4 ....Oklahoma
Oca Cook .........Daughter Female 0 ....Oklahoma
John C Rowe ....Boarder ..Male ....20 ..Texas

1920 - US Census - Lincoln Township, Crawford, Kansa
Household ...Role ........Sex .....Age Birthplace
Paul Cook ....Head .......Male ....43 ..Texas
Mary Cook ...Wife ........Female 32 ..Texas
Ira Lee Cook Daughter Female 14 ..Oklahoma
Osa Cook .....Daughter Female 9 ....Oklahoma
Loy Cook ......Son .........Male ....5 ....Oklahoma
Evia Cook .....Daughter Female 2 ....Oklahoma

1930 - US Census - Elk City, Beckham, Oklahoma
Household ........Role ........Sex .....Age Birthplace
Paul Cook ..........Head ......Male ....50 ..Texas
Willie Cook ........Wife ........Female 24 ..Texas
Lloyd Cook ........Son .........Male ....15 ..Texas
Evelyn Cook ......Daughter Female 12 ..Oklahoma
Jelly Bean Cook Son .........Male ....6 ....Oklahoma

1940 - US Census - Willow Township, Greer, Oklahoma
Household .........Role .........Sex .....Age Birthplace
William P Cook ..Head ........Male ....61 ..Texas
Willie L Cook ......Wife .........Female 33 ..Texas
Evelyn Cook .......Daughter Female 23 ..Oklahoma
Raymon W Cook Son .........Male ....16 ..Oklahoma
Herbert H Cook .Son ..........Male ....10 ..Oklahoma
Lola M Cook .......Daughter Female 7 ....Oklahoma
Jimmie R Cook ..Son ..........Male ....5 ....Oklahoma
Patricia A Cook ..Daughter Female 3 ....Oklahoma
Calvin G Cook ....Son ..........Male ....1 ....Oklahoma