JP
John Phillips — 1940 US Census Record
Model Tree available1940 United States Federal Census · Decatur-County, Iowa
Our Model Tree links this John Phillips across the 1920, 1930 and 1940 US Censuses in Decatur-County, Iowa (XGBoost, ~Confirmed), with identified parents William & Ida — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Decatur-County, Iowa |
| Surname | Phillips |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Grand River Township |
| 1935 Residence (County) | Decatur County |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Grand River Township |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| W Phillips | Head | — | 68 | ~1872 |
| John Phillips | Son | — | 30 | ~1910 |
| James Phillips | Son | — | 23 | ~1917 |
| Ida Phillips | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Decatur, Iowa
Son, age 10
Decatur, Iowa · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Phillips |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Decatur, Iowa
Son, age 20
Decatur, Iowa · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Phillips |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Iowa |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Decatur-County, Iowa
Son, age 30
Decatur-County, Iowa · implied b. ~1910 — 4 household members
| Surname | Phillips |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Grand River Township |
| 1935 Residence (County) | Decatur County |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 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.
Our Model Tree links John Phillips across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Phillips (~0.92 confidence) and mother Ida Phillips (~0.92 confidence) and mother Ada Phillips (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Phillips
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Ida Phillips
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Ada Phillips
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Phillips
Son · 1940 · age 30 · b. ~1910 · Iowa
★ You are viewing this record
Sibling
James Phillips
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Decatur-County, Iowa
Open full size
1940 US Federal Census — Decatur-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01154-00532)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | W. Henry Phillips | 68 | Head | Farmer | Scotland |
| 2 | Ida M. Phillips | 62 | Wife | — | Iowa |
| 3 | John D. Phillips THIS PERSON | 30 | Son | Farmer | Iowa |
| 4 | James G. Phillips | 23 | Son | Farmer | Iowa |
| 5 | Allen D. Joy | 33 | Head | Farmer | Iowa |
| 6 | Lucille Joy | 27 | Wife | — | Iowa |
| 7 | Zora Hagen | 50 | Mother-in-law | — | Iowa |
| 8 | George Woldenmair|Woldenmaier | 53 | Head | Farmer | Iowa |
| 9 | Esther Woldenmair|Woldenmaier | 48 | Wife | — | Kansas |
| 10 | Matthew D. Bronson | 66 | Head | Farmer | Iowa |
| 11 | John A. Joy | 61 | Head | Farmer | Iowa |
| 12 | Ida B. Joy | 57 | Wife | — | Iowa |
| 13 | Frank H. Pierson | 38 | Head | Farmer | Iowa |
| 14 | Beulah Pierson | 26 | Wife | — | Missouri |
| 15 | Eva Marie Pierson | 7 | Daughter | — | Iowa |
| 16 | Donnie Pierson | 2 | Son | — | Iowa |
| 17 | James D. Bradley | 35 | Head | Farmer | Iowa |
| 18 | Gladys M. Bradley | 33 | Wife | — | Missouri |
| 19 | Jacqueline Bradley | 5 | Daughter | — | Iowa |
| 20 | Willie H. Akere | 54 | Head | Farmer | Iowa |
| 21 | Anna M. Akere | 48 | Wife | — | Iowa |
| 22 | Harold W. Akere | 17 | Son | — | Iowa |
| 23 | Earl A. Akere | 6 | Son | — | Iowa |
| 24 | Ernest H. Reardon | 75 | Head | Farm Laborer | Iowa |
| 25 | Abe Dose | 53 | Head | Laborer | Iowa |
| 26 | Nellie Dose | 60 | Wife | — | Iowa |
| 27 | William Harper | 49 | Lodger | Laborer | Iowa |
| 28 | Nelse A. Vasey | 50 | Head | Farmer | Nebraska |
| 29 | Viola M. Vasey | 39 | Wife | — | Iowa |
| 30 | Ronald D. Vasey | 18 | Son | Laborer | Nebraska |
| 31 | Virginia L. Vasey | 16 | Daughter | — | Nebraska |
| 32 | Verna D. Vasey | 5 | Daughter | — | Nebraska |
| 33 | Hallie D. Rauch | 53 | Head | Farmer | Iowa |
| 34 | Woodrow Zimmerman | 22 | Head | Laborer | Iowa |
| 35 | Fred Trower | 60 | Head | A.A.A. Committeeman | Iowa |
| 36 | Alma S. Trower | 58 | Wife | — | Iowa |
| 37 | Milburn West | 25 | Head | Farmer | Iowa |
| 38 | Margaret West | 25 | Wife | — | Iowa |
| 39 | Beverly West | 2 | Daughter | — | Iowa |
| 40 | Vacant | None | — | — | — |
Related Census Records
Pedigree Summary
John + 1 sibling
Gen 1 · 3 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)