John Bauer — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Prowers-County, Colorado

Our Model Tree links this John Bauer across the 1920, 1930 and 1940 US Censuses in Prowers-County, Colorado (XGBoost, ~Confirmed), with identified parents Mary & Will — first a head (b.~1913), then head of a 4-person household.

Age 27 b. ~1913 Male Head Born: Russia Married

1940 Census Record Details

Census Year	1940
Location	Prowers-County, Colorado
Surname	Bauer
Given Name	John D
Relationship to Head	Head
Sex	M
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Russia
1935 Residence (City)	Precinct 6, Alta Vista
1935 Residence (County)	Prowers
Naturalization Status	Naturalized
Additional Details
Occupation	Farmer
Industry	Farming
Class of Worker	OA
Hours Worked	50
Income (1939)	720
Highest Grade	5
1935 Residence	Same place
Birth Country	Russia
Birthplace (normalized)	russia
Occupation	Farmer
Township / Ward	Precinct 6 Alta Vista
Est. Birth Year	~1913

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
John Bauer	Head	—	27	~1913
Herbert Bauer	Son	—	1	~1939
Alvin Bauer	Son	—	5	~1935
Leta Bauer	Spouse	—	25	~1915

Census Appearances

1920

Prowers, Colorado

Son, age 7

Prowers, Colorado · implied b. ~1913 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Bauer
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	7
Marital Status	Single
Birthplace	Russia
Year of Immigration	1917
Naturalization Status	Naturalized
Father's Birthplace	Russia
Mother's Birthplace	Russia
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	German
Birth Country	Russia
Birthplace (normalized)	russia

1930

Prowers, Colorado

Son, age 17

Prowers, Colorado · implied b. ~1913 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Bauer
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Russia
Naturalization Status	Alien
Year of Immigration	1912
Father's Birthplace	Russia
Mother's Birthplace	Russia
Occupation	Laborer
Industry	Farm
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	German
Veteran	No
Birth Country	Russia
Birthplace (normalized)	russia

1940

Prowers-County, Colorado

Head, age 27

Prowers-County, Colorado · implied b. ~1913 — 4 household members

Surname	Bauer
Given Name	John D
Relationship to Head	Head
Sex	M
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Russia
1935 Residence (City)	Precinct 6, Alta Vista
1935 Residence (County)	Prowers
Naturalization Status	Naturalized
Occupation	Farmer
Industry	Farming
Class of Worker	OA
Hours Worked	50
Income (1939)	720
Highest Grade	5
1935 Residence	Same place
Birth Country	Russia
Birthplace (normalized)	russia

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Mary Bauer

b. ~1876

Source mother

● Household · direct · ~0.92

Father

Will Bauer

b. ~1876

Source father

● Household · direct · ~0.92

This person

Anchor record

John Bauer

Head · 1940 · age 27 · b. ~1913 · Colorado

★ 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 — Prowers-County, Colorado Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00474-00303)

Line	Name	Age	Relation	Occupation	Birthplace
1	Clyde D Barnhart	29	Head	Farmer	Mo
2	Bertha Barnhart	24	Wife	—	Okla
3	Patsy Barnhart	7	Daughter	—	Colo
4	Wm R Barner	55	Head	—	Iowa
5	Minnie Barner	48	Wife	—	Kansas
6	John D Bauer THIS PERSON	27	Head	Farmer	Russia
7	Leta Bauer	25	Wife	—	Colo
8	Alvin Lu Bauer	5	Son	—	Colo
9	Herbert Dean Bauer	1	Son	—	Colo
10	Floyd James	29	Head	Farmer	Colo
11	John May James	27	Wife	—	Mo
12	Patty Jo James	3	Daughter	—	Colo
13	Leslie James	2	Daughter	—	Colo
14	Larry James	0	Son	—	Colo
15	John Peters	57	Head	Farmer	Iowa
16	Edwin Peters	22	Son	Laborer	Colo
17	James L Dewitt	27	Head	Farmer	Colo
18	Elnora Dewitt	22	Wife	—	Colo
19	James L Jr Dewitt	5	Son	—	Colo
20	W Terry Dewitt	2	Son	—	Colo
21	John B Gentry	39	Head	Farmer	N. Dakota
22	Hazel Gentry	30	Wife	—	Iowa
23	Earl Gentry	5	Son	—	Colo
24	Sadie Louise Gentry	1	Daughter	—	Colo
25	W. A. Barber	21	Lodger	Laborer	Mo
26	Delbert Eley	21	Lodger	Laborer	Mo
27	Floyd Childs	19	Lodger	Laborer	Kansas
28	John E Pottorff	69	Head	Farmer	Iowa
29	Adelia Pottorff	60	Wife	—	Iowa
30	March Pottorff	22	Son	Chauffeur	Iowa
31	Lucille Pottorff	18	Daughter	—	Neb
32	Arville Pottorff	20	Son	Chauffeur	Iowa
33	Wilma Pottorff	20	Daughter-in-law	—	Colo
34	Wilbur Pottorff	13	Grandson	—	Colo
35	Clarence Pottorff	10	Grandson	—	Colo
36	Mrs Mabel Kornman	44	Head	Teacher	Kans
37	John E Kornman	19	Son	Farmer	Colo
38	John D Morse	39	Head	Farmer	Iowa
39	Coral M Morse	35	Wife	—	Iowa
40	J B Morris	30	Lodger	Laborer	Kans

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Pedigree Summary

John

Gen 1 · 2 parents ~0.92

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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