Robert Parker — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Warren-County, Ohio

Our Model Tree links this Robert Parker across the 1920, 1930 and 1940 US Censuses in Warren-County, Ohio (XGBoost, ~Confirmed), with identified parents Thomas & Albert — first a head (b.~1911), then head of a 3-person household.

Age 29 b. ~1911 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Warren-County, Ohio
Surname	Parker
Given Name	Robert L. (V)
Relationship to Head	Head
Sex	M
Color / Race	White
Age	29
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Middletown
1935 Residence (County)	Butler
Additional Details
Occupation	Machinist
Industry	Steel Mill
Class of Worker	PW
Hours Worked	40
Income (1939)	1950
Highest Grade	Hs 2
1935 Residence	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Machinist
Township / Ward	Franklin Village
Est. Birth Year	~1911

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 Robert	Age	Birth yr
Robert Parker	Head	—	29	~1911
Lois Parker	Son	—	2	~1938
Olive Parker	Spouse	—	25	~1915

Census Appearances

1920

Warren, Ohio

Son, age 10

Warren, Ohio · implied b. ~1910 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Parker
Given Name	Robert G.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	10
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Warren, Ohio

Son, age 19

Warren, Ohio · implied b. ~1911 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Parker
Given Name	Robert J.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	19
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Repairman
Industry	Garage
Class of Worker	W
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Warren-County, Ohio

Head, age 29

Warren-County, Ohio · implied b. ~1911 — 3 household members

Surname	Parker
Given Name	Robert L. (V)
Relationship to Head	Head
Sex	M
Color / Race	White
Age	29
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Middletown
1935 Residence (County)	Butler
Occupation	Machinist
Industry	Steel Mill
Class of Worker	PW
Hours Worked	40
Income (1939)	1950
Highest Grade	Hs 2
1935 Residence	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Model Tree available

Our Model Tree links Robert Parker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Parker (~0.92 confidence) and father Albert Parker (~0.92 confidence) and mother Pearl Parker (~0.60 confidence). The pedigree spans 1 generation with 3 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.81

Father

Thomas Parker

b. ~1880

Source father

● Household · direct · ~0.92

Father

Albert Parker

b. ~1891

Source father

● Household · direct · ~0.92

Mother

Pearl Parker

b. ~1898

Source mother

● Household · direct · ~0.6

This person

Anchor record

Robert Parker

Head · 1940 · age 29 · b. ~1911 · Ohio

★ 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 — Warren-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03164-00246)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ludwig Pondel	47	Head	—	Ohio
2	Mary Pondel	38	Wife	—	Ohio
3	Franklin S. Matson	36	Head	Teacher	Ohio
4	Mildred (N) Matson	35	Wife	—	Ohio
5	Mary V. Matson	11	Daughter	—	Ohio
6	Ruth M. Matson	9	Daughter	—	Ohio
7	Leonard B. Youngblood	38	Lodger	Teacher	Pennsylvania
8	Angel A. Lynch	32	Head	Stationary Engr	Kentucky
9	Ella (N) Lynch	29	Wife	—	Kentucky
10	James V. Lynch	8	Son	—	Ohio
11	Myra G. Lynch	6	Son	—	Ohio
12	James L. (V) Hamilton	30	Head	Boiler Keeper	Ohio
13	Anna M. Hamilton	26	Wife	—	Ohio
14	Dale A. Hamilton	5	Son	—	Ohio
15	Robert L. (V) Parker THIS PERSON	29	Head	Machinist	Ohio
16	Olive Parker	25	Wife	—	Ohio
17	Lois J. Parker	2	Son	—	Ohio
18	Luther T. (V) Robinson	68	Head	Finishing Room Supt	Ohio
19	Anna D. Robinson	74	Wife	—	Ohio
20	Lucetta King	66	Sister	Practical Nurse	Ohio
21	Francis C. Sauer	29	Head	Underwriter	Ohio
22	Helen M. (V) Sauer	28	Wife	—	Ohio
23	Janice L. Sauer	4	Daughter	—	Ohio
24	John A. (V) Cramer	34	Head	Paper Finishing	Ohio
25	Marjorie M. Cramer	31	Wife	Supervising	Kentucky
26	Alice M. Cramer	13	Son	—	Ohio
27	William C. (V) Macintyre	25	Head	Manufacturing	Canada-English
28	Irene K. Macintyre	24	Wife	—	Ohio
29	Josephine L. Macintyre	49	Mother	—	Canada-English
30	Extra Line	None	—	—	—
31	Ernest D. Dale	43	Head	Proprietor	Virginia
32	Annie M. (V) Dale	42	Wife	—	Virginia
33	Ernest Jr. Dale	5	Son	—	Virginia
34	James X. Dunn	50	Head	Stenographer	Ohio
35	Estella (N) Dunn	48	Wife	Teacher	Ohio
36	George (V) Dandrea	33	Head	Teacher	Ohio
37	Lois Dandrea	27	Wife	—	Ohio
38	Edward C. (V) James	59	Head	Inspector	Ohio
39	Myra L. James	59	Wife	—	Ohio
40	Clarence Swinney	40	Head	Maintenance	Ohio

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Pedigree Summary

Robert

Gen 1 · 3 parents ~0.81

Max depth 4 (1900–1950 window)

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)

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