John Blackburn — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Rogers-County, Oklahoma

Our Model Tree links this John Blackburn across the 1920, 1930 and 1940 US Censuses in Rogers-County, Oklahoma (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 3-person household.

Age 78 b. ~1862 Male Head Born: Illinois Married

1940 Census Record Details

Census Year	1940
Location	Rogers-County, Oklahoma
Surname	Blackburn
Given Name	John W.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	78
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	R.
1935 Residence (County)	Rogers
Additional Details
Highest Grade	No 7
1935 Residence	Oklahoma
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Township / Ward	Catoosa Township
Est. Birth Year	~1862

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

3 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to John	Age	Birth yr
Lula Blackburn	Spouse	—	69	~1871
John Blackburn	Head	—	78	~1862
Joe Blackburn	Son	—	33	~1907

Census Appearances

1920

Rogers, Oklahoma

Head, age 57

Rogers, Oklahoma · implied b. ~1863 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Blackburn
Given Name	John W.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	57
Marital Status	Married
Birthplace	Illinois
Father's Birthplace	Tennessee
Mother's Birthplace	Tennessee
Occupation	Farming
Industry	at home
Class of Worker	OA
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1930

Rogers, Oklahoma

Head, age 68

Rogers, Oklahoma · implied b. ~1862 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Blackburn
Given Name	John W.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	68
Marital Status	Married
Birthplace	Illinois
Age at First Marriage	21
Father's Birthplace	Tennessee
Mother's Birthplace	Tennessee
Occupation	Farmer
Industry	General Farm
Class of Worker	O
Can Read/Write	Yes
Home Owned/Rented	O
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1940

Rogers-County, Oklahoma

Head, age 78

Rogers-County, Oklahoma · implied b. ~1862 — 3 household members

Surname	Blackburn
Given Name	John W.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	78
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	R.
1935 Residence (County)	Rogers
Highest Grade	No 7
1935 Residence	Oklahoma
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

Model Tree

Linked across censuses

Our Model Tree links John Blackburn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

Show:

This person

Anchor record

John Blackburn

Head · 1940 · age 78 · b. ~1862 · Oklahoma

★ You are viewing this record

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Rogers-County, Oklahoma Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-03330-00027)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mary B. Piquet	49	Head	—	Missouri
2	Alvin V. Piquet	20	Son	Farmer	Oklahoma
3	Elden Mcmillan	33	Head	Day Laborer	Oklahoma
4	Sebury Mcmillan	23	Wife	—	Oklahoma
5	Dewane L. Mcmillan	5	Son	—	Oklahoma
6	John A. Piquet	62	Head	Farmer	Ohio
7	Louisa Piquet	64	Wife	—	Arkansas
8	Clarence J. Piquet	34	Son	Carpenters Helper	Oklahoma
9	Lester Piquet	25	Son	School Teacher	Oklahoma
10	Bessie M. Piquet	19	Daughter in law	Farmer	Oklahoma
11	Floyd D. Piquet	3	Grand-Son	—	Oklahoma
12	Michel S. Scardon	53	Head	Caterer	Louisiana
13	Lucy Chiles Scardon	54	Wife	—	Kentucky
14	Homer Bryant Hutton	41	Nephew	Bus Driver	Illinois
15	Elizabeth Chiles Hutton	30	Niece	—	Kentucky
16	L. Homerlene L. Hutton	1	Great Niece	—	Oklahoma
17	Charlie Pearson	28	Servants	General Odd Jobman	Oklahoma
18	Odessa Pearson	24	Servants	—	Oklahoma
19	John J. Warner	54	Head	Farmer	Missouri
20	Arthur L. Baker	47	Head	Farmer	Missouri
21	Ethel F. Baker	40	Wife	—	Missouri
22	Virgil E. Baker	19	Son	—	Oklahoma
23	Frank C. Piquet	32	Head	Farmer	Oklahoma
24	Evelyne E. Piquet	28	Wife	—	Oklahoma
25	Melvin H. Piquet	10	Son	—	Oklahoma
26	Charles R. Piquet	5	Son	—	Oklahoma
27	George W. Christian	44	Head	General Farming	Texas
28	Lela D. Christian	42	Wife	—	Texas
29	Worth G. Christian	19	Son	—	Oklahoma
30	Lola L. Christian	15	Daughter	—	Oklahoma
31	Betty L. Christian	8	Daughter	—	Oklahoma
32	John W. Blackburn THIS PERSON	78	Head	—	Illinois
33	Lula S. Blackburn	69	Wife	—	Illinois
34	Joe A. Blackburn	33	Son	Farmer	Oklahoma
35	Willie M. Mcdaniel	48	Head	Farmer - Laborer	Oklahoma
36	Maude Mcdaniel	50	Wife	—	Illinois
37	Walton D. Mcdaniel	17	Son	Farm Laborer	Oklahoma
38	Ruby I. Mcdaniel	15	Daughter	—	Oklahoma
39	Clarance Piquet	53	Head	Farmer	Kansas

Search for John Blackburn

All John Blackburn Census Records Discover Blackburn Family Tree

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

Report inaccurate data