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John Tyler — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Polk-County, Iowa

Our Model Tree links this John Tyler across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Leon & Louis — first a head (b.~1917), then head of a 4-person household.

Age 23 b. ~1917 Male Head Born: Iowa Married

1940 Census Record Details

Census Year1940
LocationPolk-County, Iowa
SurnameTyler
Given NameJohn S
Relationship to HeadHead
SexM
Color / RaceWhite
Age23
Marital StatusMarried
BirthplaceIowa
1935 Residence (City)Des Moines City
1935 Residence (County)Polk
Additional Details
OccupationTrucking
IndustryPrivate
Class of WorkerOA
Hours Worked0
Income (1939)420
Highest GradeNo 8
1935 ResidenceSame place
Birth StateIowa
Birth CountryUnited States
Birthplace (normalized)iowa
OccupationTrucking
Township / WardDes Moines City
Est. Birth Year~1917

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
S Tyler Other — 65 ~1875
Ray Tyler Son — 25 ~1915
John Tyler Head — 23 ~1917
Helen Tyler Spouse — 23 ~1917

Census Appearances

1920
Polk, Iowa
Son, age 4
Polk, Iowa · implied b. ~1916 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Tyler
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 4
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Iowa
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1930
Polk, Iowa
Son, age 14
Polk, Iowa · implied b. ~1916 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Tyler
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 14
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Iowa
Occupation none
Can Read/Write Yes
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1940
Polk-County, Iowa
Head, age 23
Polk-County, Iowa · implied b. ~1917 — 4 household members
Surname Tyler
Given Name John S
Relationship to Head Head
Sex M
Color / Race White
Age 23
Marital Status Married
Birthplace Iowa
1935 Residence (City) Des Moines City
1935 Residence (County) Polk
Occupation Trucking
Industry Private
Class of Worker OA
Hours Worked 0
Income (1939) 420
Highest Grade No 8
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 Tyler across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Leon Tyler (~0.92 confidence) and father Louis Tyler (~0.92 confidence) and mother Lena Tyler (~0.92 confidence) and mother Lena Tyler (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Leon Tyler
b. ~1877
Source father
● Household · direct · ~0.92
Father
Louis Tyler
b. ~1876
Source father
● Household · direct · ~0.92
Mother
Lena Tyler
b. ~1873
Source mother
● Household · direct · ~0.92
Mother
Lena Tyler
b. ~1892
Source mother
● Household · direct · ~0.92
This person
Anchor record
John Tyler
Head · 1940 · age 23 · b. ~1917 · 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 — Polk-County, Iowa Open full size

Page Contents

34 people indexed on this census page (nara:1940:m-t0627-01193-00884)

Line Name Age Relation Occupation Birthplace
2 William J Phillips 50 Head Musician Kansas
3 Elaie May Phillips 41 Wife — Illinois
4 Richard B Phillips 19 Son Apprentice Iowa
5 Clifford D Phillips 15 Son — Iowa
6 Joyce E Phillips 13 Daughter — Iowa
7 Mary K Phillips 9 Daughter — Minnesota
8 Lucy M Phillips 6 Daughter — Iowa
9 George Lodge Loraine 18 Boarder Plate Maker Ohio
10 Hermon B Short 72 Head Laborer Iowa
11 Elaie M Short 72 Wife — Iowa
12 Auther P Gifford 40 Head — Iowa
13 Grace L Gifford 28 Wife — Iowa
14 William T Campbell 32 Lodger Caretaker Iowa
16 John S Tyler THIS PERSON 23 Head Trucking Iowa
17 Helen M Tyler 23 Wife — Missouri
18 Ray E Tyler 25 Son — Iowa
19 S. A. Tyler 65 Father Trucking Iowa
20 Elizabeth Burger 79 Head — Germany
21 Joe Mulvaney 28 Head Drive Truck Iowa
22 Reata Mulvaney 23 Wife — Iowa
23 Dewey C Watters 41 Head Trucking Iowa
24 Nellie M Watters 37 Wife — Iowa
25 Viola R Watters 16 Daughter — Iowa
26 Evelyn Jean Watters 14 Daughter — Iowa
27 Frances M Watters 12 Daughter — Iowa
28 Edna May Watters 11 Daughter — Iowa
29 Chas E Watters 9 Son — Iowa
30 Donald C Watters 7 Son — Iowa
31 Vernon L Watters 4 Son — Iowa
32 Phyllis J Watters 1 Daughter — Iowa
33 Clifford F Watters 39 Brother Trucking Iowa
35 Eldon R Taylor 30 Head Farm Hand Colorado
36 Doris I Taylor 28 Wife — Iowa
37 Glenn Richard Taylor 7 Son — Iowa

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Pedigree Summary

John
Gen 1 · 4 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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