John Adams — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Marquette-County, Michigan

Our Model Tree links this John Adams across the 1920, 1930 and 1940 US Censuses in Marquette-County, Michigan (XGBoost, ~Confirmed), with identified parents Lewis & Ida — first a head (b.~1903), then head of a 4-person household.

Age 37 b. ~1903 Male Head Born: Michigan Married

1940 Census Record Details

Census Year	1940
Location	Marquette-County, Michigan
Surname	Adams
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Michigan
1935 Residence (City)	Skandia Twp
1935 Residence (County)	Marquette
Additional Details
Occupation	Mechanic
Industry	Private Garage
Class of Worker	OA
Hours Worked	50
Income (1939)	336
Highest Grade	No 5
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Occupation	Mechanic
Township / Ward	Skandia Twp
Est. Birth Year	~1903

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
Betty Adams	Daughter	—	9	~1931
John Adams	Head	—	37	~1903
John Adams	Son	—	10	~1930
Edna Adams	Spouse	—	33	~1907

Census Appearances

1920

Marquette, Michigan

Son, age 16

Marquette, Michigan · implied b. ~1904 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Adams
Given Name	John H.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	New Jersey
Mother's Birthplace	Indiana
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1930

Marquette, Michigan

Son, age 27

Marquette, Michigan · implied b. ~1903 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Adams
Given Name	John M.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Michigan
Age at First Marriage	25
Father's Birthplace	New Jersey
Mother's Birthplace	Indiana
Occupation	Auto Repairman
Industry	Garage
Class of Worker	W
Can Read/Write	Yes
Veteran	No
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

Marquette-County, Michigan

Head, age 37

Marquette-County, Michigan · implied b. ~1903 — 4 household members

Surname	Adams
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Michigan
1935 Residence (City)	Skandia Twp
1935 Residence (County)	Marquette
Occupation	Mechanic
Industry	Private Garage
Class of Worker	OA
Hours Worked	50
Income (1939)	336
Highest Grade	No 5
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Lewis Adams

b. ~1874

Source father

● Household · direct · ~0.92

Mother

Ida Adams

b. ~1872

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Adams

Head · 1940 · age 37 · b. ~1903 · Michigan

★ 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 — Marquette-County, Michigan Open full size

Page Contents

36 people indexed on this census page (nara:1940:m-t0627-01787-00527)

Line	Name	Age	Relation	Occupation	Birthplace
1	Charles Maki	52	Head	Caretaker	Finland
2	Melissa Maki	68	Wife	—	Finland
3	Louis Adams	66	Head	Farmer	New Jersey
4	George Adams	40	Son	Farm Help	Michigan
5	Henry Adams	29	Son	Farm Help	Michigan
6	Melba Adams	35	Daughter in law	—	Michigan
7	Glenn Adams	3	Grandson	—	Michigan
8	William Hocking	57	Head	Teamster	Michigan
9	John Adams THIS PERSON	37	Head	Mechanic	Michigan
10	Edna Adams	33	Wife	—	Michigan
11	John Adams	10	Son	—	Michigan
12	Betty Adams	9	Daughter	—	Michigan
13	Arthur Hackerman	25	Head	Truck Driver	Michigan
14	Blanche Hackerman	20	Wife	—	Michigan
15	Ed Kristin Hackerman	2	Daughter	—	Michigan
16	Arthur Hackerman	1	Son	—	Michigan
17	Marie Hackerman	56	Head	Farm Manager	Wisconsin
18	Clarence Hackerman	27	Son	Farm Help	Michigan
19	Pearl Hackerman	22	Daughter	—	Michigan
20	Irving Hackerman	19	Son	—	Michigan
21	Carol Hackerman	18	Daughter	—	Michigan
22	Robert Yagbuski	21	Head	Cross Cutter	Michigan
23	Edith Yagbuski	23	Wife	—	Michigan
24	Laura Yagbuski	3	Daughter	—	Michigan
25	Eugene Yagbuski	1	Son	—	Michigan
26	Lionel Yagbuski	0	Son	—	Michigan
31	Charles Roski	47	Head	Farmer	Finland
32	Irene Roski	38	Wife	—	Michigan
33	Robert Roski	19	Son	—	Michigan
34	Elaine Roski	18	Daughter	—	Michigan
35	Carl Roski	16	Son	Farm Help	Michigan
36	Ruth Roski	15	Daughter	—	Michigan
37	Douglas Roski	8	Son	—	Michigan
38	Sydney Roski	3	Son	—	Michigan
39	Henry Kautzila	63	Head	Laborer	Finland
40	Anna Kautzila	68	Wife	—	Finland

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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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