MT
Mildred Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Mildred Thompson across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Jefferson & Jeffery — first a spouse (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Thompson |
| Given Name | Mildred |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 5 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1913 |
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 Mildred | Age | Birth yr |
|---|---|---|---|---|
| Virgil Thompson | Head | — | 34 | ~1906 |
| Jimmy Thompson | Son | — | 3 | ~1937 |
| Thomas Thompson | Son | — | 5 | ~1935 |
| Mildred Thompson | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Polk, Iowa
Daughter, age 7
Polk, Iowa · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| 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
Polk, Iowa
Daughter, age 17
Polk, Iowa · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Spouse, age 27
Polk-County, Iowa · implied b. ~1913 — 4 household members
| Surname | Thompson |
| Given Name | Mildred |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Class of Worker | 0 |
| Hours Worked | 5 |
| Highest Grade | H-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.
Our Model Tree links Mildred Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jefferson Thompson (~0.92 confidence) and father Jeffery Thompson (~0.92 confidence) and mother Mary Thompson (~0.92 confidence) and mother Mary Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jefferson Thompson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Jeffery Thompson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Mary Thompson
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Mary Thompson
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Thompson
Spouse · 1940 · age 27 · b. ~1913 · 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
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01195-00931)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fern Eliza Hook | 39 | Wife | — | Iowa |
| 42 | Robert Hook | 10 | Son | — | Arizona |
| 43 | Paul Hook | 5 | Son | — | Arizona |
| 44 | Harry Larson | 46 | Head | Road Master | Iowa |
| 45 | Maud Larson | 43 | Wife | — | Iowa |
| 46 | Jeanett Larson | 17 | Daughter | Secretary | Iowa |
| 47 | Harry Jr. Larson | 15 | Son | — | Iowa |
| 48 | Mary Larson | 13 | Daughter | — | Iowa |
| 49 | Virgil Thompson | 34 | Head | Mech Driver | Iowa |
| 50 | Mildred Thompson THIS PERSON | 27 | Wife | — | Iowa |
| 51 | Thomas Thompson | 5 | Son | — | Iowa |
| 52 | Jimmy Thompson | 3 | Son | — | Iowa |
| 53 | Clyde Talbot | 57 | Head | Groceryman | Missouri |
| 54 | Nancy Talbot | 54 | Wife | — | Iowa |
| 55 | Juanita Bennett | 31 | Daughter | Policy Dept | Oklahoma |
| 56 | Kitt Bennett | 82 | Father-in-law | — | Iowa |
| 57 | Carl Schultz | 43 | Head | Stationary Fireman | Minnesota |
| 58 | Hazel Schultz | 41 | Wife | — | Missouri |
| 59 | Darlene Schultz | 13 | Daughter | — | Missouri |
| 60 | Fred Bohner | 37 | Head | Plasterer | Iowa |
| 61 | Harriett Bohner | 35 | Wife | — | Iowa |
| 62 | Thomas Bohner | 12 | Son | — | Iowa |
| 63 | Ruth Bohner | 10 | Daughter | — | Iowa |
| 64 | Chas M. Stakes | 40 | Head | Car Repair | Iowa |
| 65 | Arlene Stakes | 36 | Wife | Office Work | Iowa |
| 66 | Joanne Stakes | 8 | Daughter | — | Iowa |
| 67 | Mae Bail | 56 | Mother-in-law | — | Iowa |
| 68 | Louis Mohr | 57 | Head | Clerk | Ohio |
| 69 | Elizabeth Mohr | 54 | Wife | Mender | Illinois |
| 70 | Robert Kennedy | None | Head | — | — |
| 71 | Kennedy | None | Wife | — | — |
| 72 | Larry Kennedy | None | Son | — | — |
| 73 | Vacant Due To Misinformation | None | — | — | — |
| 74 | Dorothy Brightman | 34 | Head | — | Iowa |
| 75 | Theodore Brightman | 12 | Son | — | Missouri |
| 76 | Ruth Marie Brightman | 10 | Daughter | — | Iowa |
| 77 | Martin Jr. Brightman | 5 | Son | — | Iowa |
| 78 | Kathryn Brightman | 0 | Daughter | — | Iowa |
| 79 | Jesse Acklin | 71 | Head | Decorator | Ohio |
| 80 | Christine Acklin | 57 | Wife | — | Iowa |
Pedigree Summary
Mildred
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)