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John Long — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Boone-County, Iowa

Our Model Tree links this John Long across the 1920, 1930 and 1940 US Censuses in Boone-County, Iowa (XGBoost, ~Confirmed), with identified parents Ira & Ruth — first a head (b.~1908), then head of a 3-person household.

Age 32 b. ~1908 Male Head Born: Iowa Married

1940 Census Record Details

Census Year1940
LocationBoone-County, Iowa
SurnameLong
Given NameJohn
Relationship to HeadHead
SexM
Color / RaceWhite
Age32
Marital StatusMarried
BirthplaceIowa
1935 Residence (City)Worth Township
1935 Residence (County)Boone
Additional Details
OccupationFarmer
IndustryOwn Farm
Class of WorkerOA
Hours Worked40
Income (1939)0
Highest GradeHs 4
1935 ResidenceSame place
Birth StateIowa
Birth CountryUnited States
Birthplace (normalized)iowa
OccupationFarmer
Township / WardWorth Township
Est. Birth Year~1908

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 John Age Birth yr
John Long Head — 32 ~1908
John Long Son — 8 ~1932
Ruth Long Spouse — 31 ~1909

Census Appearances

1920
Boone, Iowa
Son, age 12
Boone, Iowa · implied b. ~1908 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Long
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 12
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Iowa
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1930
Boone, Iowa
Head, age 22
Boone, Iowa · implied b. ~1908 — 2 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Long
Given Name John N.
Relationship to Head Head
Sex M
Color / Race White
Age 22
Marital Status Married
Birthplace Iowa
Age at First Marriage 22
Father's Birthplace Iowa
Mother's Birthplace Iowa
Occupation Farmer
Industry General farm
Class of Worker O
Can Read/Write Yes
Home Owned/Rented O
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1940
Boone-County, Iowa
Head, age 32
Boone-County, Iowa · implied b. ~1908 — 3 household members
Surname Long
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 32
Marital Status Married
Birthplace Iowa
1935 Residence (City) Worth Township
1935 Residence (County) Boone
Occupation Farmer
Industry Own Farm
Class of Worker OA
Hours Worked 40
Income (1939) 0
Highest Grade Hs 4
1935 Residence Same place
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Model Tree available
Our Model Tree links John Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ira Long (~0.92 confidence) and mother Ruth Long (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Ira Long
b. ~1854
Source father
● Household · direct · ~0.92
Mother
Ruth Long
b. ~1876
Source mother
● Household · direct · ~0.92
This person
Anchor record
John Long
Head · 1940 · age 32 · b. ~1908 · Iowa
★ 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 — Boone-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01141-00827)

Line Name Age Relation Occupation Birthplace
1 Charles Van Cannon 72 Head Farmer Iowa
2 Ida Van Cannon 56 Wife — Iowa
3 John Van Cannon 21 Son Farmer Iowa
4 Jessie Van Cannon 15 Daughter — Iowa
5 Paul Van Cannon 35 Head Common Laborer Iowa
6 Lilly Van Cannon 23 Wife — Iowa
7 Charles Van Cannon 2 Son — Iowa
8 Helen Van Cannon 1 Daughter — Iowa
9 Celia Cromwell 59 Head — Iowa
10 Bernice Thomas 70 Boarder — Iowa
11 Harvey Zenor 59 Head Farmer Iowa
12 Maude Zenor 51 Wife — Iowa
13 Harry Husing 51 Head Farmer Iowa
14 Verna Husing 46 Wife — Iowa
15 Boyd Husing 22 Son Farmer Iowa
16 Colene Husing 19 Daughter — Iowa
17 John Long THIS PERSON 32 Head Farmer Iowa
18 Ruth Long 31 Wife — Iowa
19 John Jr Long 8 Son — Iowa
20 Carl B Kilstrom 55 Head — Iowa
21 Ray Kilstrom 24 Son Common Laborer Iowa
22 Jesse Nutt 28 Head Farmer Iowa
23 Verna Nutt 28 Wife — Iowa
24 Ray Husing 28 Head Farmer Iowa
25 Violet Husing 28 Wife — Iowa
26 Archie Husing 29 Head Farmer Iowa
27 Margaret Husing 20 Wife — Iowa
28 Joyce Husing 0 Daughter — Iowa
29 Charles Nash 63 Head Farmer Iowa
30 Myrtle Nash 63 Wife — Missouri
31 James A Reed 62 Head Farmer Iowa
32 Clara Reed 43 Wife — Iowa
33 Mary Reed 16 Daughter Housekeeper Iowa
34 Courtney Reed 11 Son — Iowa
35 Paul Null 62 Head Farmer Iowa
36 Minnie Null 58 Wife — Iowa
37 Everett Null 36 Head Farmer Iowa
38 Clara Null 36 Wife — Illinois
39 Carroll Crabtree 19 Head Farmer Iowa
40 Madlyn Crabtree 17 Wife — Iowa

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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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