Alfred Peterson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Worth-County, Iowa

Our Model Tree links this Alfred Peterson across the 1920, 1930 and 1940 US Censuses in Worth-County, Iowa (XGBoost, ~Confirmed), with identified parents Peter & Carrie — first a head (b.~1898), then head of a 3-person household.

Age 42 b. ~1898 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Worth-County, Iowa
Surname	Peterson
Given Name	Alfred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Deer Creek Twp
Additional Details
Occupation	farmer
Industry	own farm
Class of Worker	OA
Hours Worked	65
Income (1939)	0
Highest Grade	8
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Farmer
Township / Ward	Deer Creek Twp
Est. Birth Year	~1898

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 Alfred	Age	Birth yr
Rose Peterson	Spouse	—	37	~1903
Alfred Peterson	Head	—	42	~1898
Merlin Peterson	Son	—	15	~1925

Census Appearances

1920

Worth, Iowa

Son, age 21

Worth, Iowa · implied b. ~1899 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Peterson
Given Name	Alfred
Relationship to Head	Son
Sex	M
Color / Race	White
Age	21
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Denmark
Mother's Birthplace	Denmark
Occupation	Farm Laborer
Industry	General Farm
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Worth, Iowa

Head, age 32

Worth, Iowa · implied b. ~1898 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Peterson
Given Name	Alfred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	25
Father's Birthplace	Denmark
Mother's Birthplace	Denmark
Occupation	Farmer
Industry	Gen Farm
Class of Worker	O
Can Read/Write	Yes
Home Owned/Rented	R
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Worth-County, Iowa

Head, age 42

Worth-County, Iowa · implied b. ~1898 — 3 household members

Surname	Peterson
Given Name	Alfred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Deer Creek Twp
Occupation	farmer
Industry	own farm
Class of Worker	OA
Hours Worked	65
Income (1939)	0
Highest Grade	8
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Peter Peterson

b. ~1860

Source father

● Household · direct · ~0.92

Mother

Carrie Peterson

b. ~1867

Source mother

● Household · direct · ~0.92

This person

Anchor record

Alfred Peterson

Head · 1940 · age 42 · b. ~1898 · Iowa

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

Original Census Page

1940 US Federal Census — Worth-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01217-00110)

Line	Name	Age	Relation	Occupation	Birthplace
41	Frank Adams	39	Head	Farmer	Illinois
42	Henrietta Adams	31	Wife	—	North Dakota
43	Robert Adams	23	Brother	Farmer	Iowa
44	Harriett Adams	10	Daughter	—	Minnesota
45	Frances Adams	8	Daughter	—	Iowa
46	Dolores Adams	7	Daughter	—	Iowa
47	Arlene Adams	5	Daughter	—	Iowa
48	Melvin Abrahams	18	In-law	Farm Labor	North Dakota
49	Alfred Hansen	27	Head	Farmer	Iowa
50	Alice Hansen	20	Wife	—	Iowa
51	Ardis Lucille Hansen	2	Daughter	—	Minnesota
52	Joseph Moser	57	Head	Farmer	Iowa
53	Ella Moser	33	Wife	—	Iowa
54	Wilma Moser	25	Daughter	House Keeper	Iowa
55	Albert Vervaecke	24	Head	Farmer	Belgium
56	Laura Vervaecke	24	Wife	—	Iowa
57	Elizabeth Vervaecke	2	Daughter	—	Iowa
58	William Klentz	56	Head	Farmer	Iowa
59	Matilda Klentz	52	Wife	—	Minnesota
60	Florence Klentz	19	Daughter	—	Iowa
61	Dorothy Klentz	17	Daughter	—	Iowa
62	Elmer Cattleman	28	Hired man	Farm Labor	Iowa
63	Frank Rev. Wagner	42	Head	Farmer	Iowa
64	Martha Wagner	33	Wife	—	Australia
65	Raymond Wagner	9	Son	—	British South Africa
66	George Wagner	7	Son	—	British South Africa
67	Dorothy Wagner	5	Daughter	—	Bolivia
68	David Wagner	2	Son	—	Iowa
69	Allan Reynolds	18	Hired man	Farm Labor	Minnesota
70	Arlene Thorson	18	Hired girl	Servant	Iowa
71	Harry S. Reeder	44	Head	Farmer	Minnesota
72	Ella N. Reeder	38	Wife	—	Minnesota
73	Robert E. Reeder	18	Son	—	Minnesota
74	Donald L. Reeder	16	Son	—	Minnesota
75	Charles N. Reeder	10	Son	—	Minnesota
76	Harry Dean Reeder	7	Son	—	Iowa
77	Gene Reynolds	19	Hired man	Farm Labor	Minnesota
78	Alfred Peterson THIS PERSON	42	Head	Farmer	Iowa
79	Rose Peterson	37	Wife	—	Iowa
80	Merlin Peterson	15	Son	—	Iowa

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Pedigree Summary

Alfred

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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