Fred Hoffman — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Ringgold-County, Iowa

Our Model Tree links this Fred Hoffman across the 1920, 1930 and 1940 US Censuses in Ringgold-County, Iowa (XGBoost, ~Confirmed), with identified parents Rosa — first a head (b.~1901), then head of a 3-person household.

Age 39 b. ~1901 Male Head Born: Iowa Widowed

1940 Census Record Details

Census Year	1940
Location	Ringgold-County, Iowa
Surname	Hoffman
Given Name	Fred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	39
Marital Status	Widowed
Birthplace	Iowa
1935 Residence (City)	Jefferson Township
1935 Residence (County)	Ringgold County
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	56
Income (1939)	800
Highest Grade	H-1
1935 Residence	Same Place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Farmer
Township / Ward	Jefferson Township
Est. Birth Year	~1901

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 Fred	Age	Birth yr
Kenneth Hoffman	Son	—	17	~1923
Fred Hoffman	Head	—	39	~1901
Dean Hoffman	Son	—	5	~1935

Census Appearances

1920

Union, Iowa

Son, age 19

Union, Iowa · implied b. ~1901 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hoffman
Given Name	Fred J
Relationship to Head	Son
Sex	M
Color / Race	White
Age	19
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Illinois
Mother's Birthplace	Ohio
Occupation	Farm labor
Industry	General Farm
Class of Worker	W
Can Read	No
Can Write	No
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Union, Iowa

Head, age 29

Union, Iowa · implied b. ~1901 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hoffman
Given Name	Fred J
Relationship to Head	Head
Sex	M
Color / Race	White
Age	29
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	21
Father's Birthplace	Illinois
Mother's Birthplace	Ohio
Occupation	Laborer
Industry	General Farm
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	5
Veteran	No
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Ringgold-County, Iowa

Head, age 39

Ringgold-County, Iowa · implied b. ~1901 — 3 household members

Surname	Hoffman
Given Name	Fred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	39
Marital Status	Widowed
Birthplace	Iowa
1935 Residence (City)	Jefferson Township
1935 Residence (County)	Ringgold County
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	56
Income (1939)	800
Highest Grade	H-1
1935 Residence	Same Place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

Our Model Tree links Fred Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rosa Hoffman (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Rosa Hoffman

b. ~1872

Source mother

● Household · direct · ~0.92

This person

Anchor record

Fred Hoffman

Head · 1940 · age 39 · b. ~1901 · 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 — Ringgold-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01201-00119)

Line	Name	Age	Relation	Occupation	Birthplace
1	Adolph Ripley	21	Head	Farmer	Nebraska
2	Dorothy Ripley	21	Wife	—	Iowa
3	Richard Ripley	2	Son	—	Iowa
4	Donald Williamson	42	Head	Farmer	Iowa
5	Viola Williamson	33	Wife	—	Nebraska
6	John Williamson	15	Son	—	Iowa
7	Donald Williamson	13	Son	—	Iowa
8	Lowell Williamson	12	Son	—	Iowa
9	John Ibbotson	62	Head	Farmer	Iowa
10	Mabel Ibbotson	48	Wife	—	Oklahoma
11	Clifton Ibbotson	25	Son	Farmer	Oklahoma
12	Joe Petty	47	Head	Farmer	Missouri
13	Rhea Petty	41	Wife	—	Missouri
14	Arlis Petty	19	Daughter	Teacher	Missouri
15	Veda Petty	17	Daughter	—	Iowa
16	Elgie Petty	15	Son	—	Iowa
17	Chillis Petty	13	Daughter	—	Iowa
18	Jerry Petty	5	Son	—	Iowa
19	Jackie Petty	3	Son	—	Iowa
20	Harry Woods	48	Head	Farmer	Iowa
21	Christina Woods	37	Wife	—	Iowa
22	Charles Woods	17	Son	Farmer	Iowa
23	Billie Woods	15	Son	—	Iowa
24	Lucius Ozias	33	Head	Farmer	Iowa
25	Nessie Ozias	27	Wife	—	Louisiana
26	Violet Ozias	11	Daughter	—	Iowa
27	Norma Ozias	9	Daughter	—	Iowa
28	Rosalyn Ozias	1	Daughter	—	Iowa
29	Leo Ayers	43	Head	Farmer	Iowa
30	Gladys Ayers	39	Wife	—	Iowa
31	Raymond Ayers	14	Son	—	Iowa
32	Lee Ayers	11	Son	—	Iowa
33	Clyde Swineheart	17	Boarder	—	Colorado
34	Hugh Campbell	29	Head	Farmer	Iowa
35	Adeline Campbell	25	Wife	—	Missouri
36	George Campbell	5	Son	—	Missouri
37	Helen Campbell	2	Daughter	—	Missouri
38	Fred Hoffman THIS PERSON	39	Head	Farmer	Iowa
39	Kenneth Hoffman	17	Son	Farmer	Iowa
40	Dean Hoffman	5	Son	—	Iowa

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Pedigree Summary

Fred

Gen 1 · 1 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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