HT
Helen Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Des-Moines-County, Iowa
Our Model Tree links this Helen Thompson across the 1930 and 1940 US Censuses in Des-Moines-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 14-person household.
Age 10
b. ~1930
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Des-Moines-County, Iowa |
| Surname | Thompson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Burlington City |
| 1935 Residence (County) | Des Moines |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Burlington City |
| Est. Birth Year | ~1930 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Mary Thompson | Daughter | — | 23 | ~1917 |
| Virginia Thompson | Daughter | — | 25 | ~1915 |
| Donna Thompson | Daughter | — | 1 | ~1939 |
| Patsy Thompson | Daughter | — | 9 | ~1931 |
| Betty Thompson | Daughter | — | 18 | ~1922 |
| Doris Thompson | Daughter | — | 13 | ~1927 |
| Dorothy Thompson | Daughter | — | 13 | ~1927 |
| Helen Thompson | Daughter | — | 10 | ~1930 |
| Grover Thompson | Head | — | 48 | ~1892 |
| Dale Thompson | Son | — | 15 | ~1925 |
| Jimmie Thompson | Son | — | 3 | ~1937 |
| Kenneth Thompson | Son | — | 6 | ~1934 |
| Harry Thompson | Son | — | 5 | ~1935 |
| Catherine Thompson | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Des Moines, …
Daughter, age
Des Moines, Iowa · implied b. ~1930 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Helen C |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Des-Moines-County, Iowa
Daughter, age 10
Des-Moines-County, Iowa · implied b. ~1930 — 14 household members
| Surname | Thompson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Burlington City |
| 1935 Residence (County) | Des Moines |
| Highest Grade | 3 |
| 1935 Residence | Same house |
| 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 Helen Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Thompson
Daughter · 1940 · age 10 · b. ~1930 · Iowa
★ You are viewing this record
Sibling
Jimmie Thompson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Thompson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donna Thompson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Thompson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thompson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Thompson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patsy Thompson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Thompson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Thompson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Thompson
Sibling · 1940 · age 6
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 — Des-Moines-County, Iowa
Open full size
1940 US Federal Census — Des-Moines-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01156-00357)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gladys Albaugh | 41 | Wife | Supervisor | Iowa |
| 2 | David Albaugh | 6 | Son | — | Iowa |
| 3 | Gertrude Miller | 32 | Head | Stenographer | Iowa |
| 4 | H. William Miller | 64 | Father | Checker | Iowa |
| 5 | Clara M. Miller | 64 | Mother | — | Germany |
| 6 | Lewis F. Workman | 55 | Head | — | Illinois |
| 7 | Laura Workman | 53 | Wife | Asst. Proprietor | Illinois |
| 8 | Alma Workman | 21 | Daughter | Covering | Illinois |
| 9 | Doyle Workman | 26 | Son | Bookkeeper | Nebraska |
| 10 | Juanita Workman | 25 | Daughter-in-law | Coloring | Illinois |
| 11 | Kenneth Johnson | 38 | Head | Truck Driver | Illinois |
| 12 | Eva A. Johnson | 28 | Wife | — | Illinois |
| 13 | Lava Lorane Johnson | 5 | Daughter | — | Illinois |
| 14 | Mada Ann Johnson | 0 | Daughter | — | Iowa |
| 15 | Edward Hausknecht | 28 | Head | Teller | Iowa |
| 16 | Mildred Hausknecht | 27 | Wife | Bookkeeper | Iowa |
| 17 | Phillip Hausknecht | 4 | Son | — | Iowa |
| 18 | Henry G. Glass | 53 | Head | Night Watchman | Iowa |
| 19 | Jennette E. Glass | 42 | Wife | Laund. | Iowa |
| 20 | Mary Patricia Glass | 16 | Daughter | — | Iowa |
| 21 | Paul Mary Glass | 80 | Lodger | — | Iowa |
| 22 | Bert W. Frey | 44 | Head | Barber | Iowa |
| 23 | Mary Ann Frey | 48 | Wife | — | Illinois |
| 24 | William Butherus | 53 | Head | Salesman | Missouri |
| 25 | Blanche Butherus | 43 | Wife | — | Missouri |
| 26 | Ora G. Butherus | 23 | Son | Sprayman | Kansas |
| 27 | Grover C. Thompson | 48 | Head | — | Iowa |
| 28 | Catherine Thompson | 40 | Wife | — | Iowa |
| 29 | Virginia Thompson | 25 | Daughter | Power Machine Operator | Iowa |
| 30 | Mary Thompson | 23 | Daughter | Waitress | Iowa |
| 31 | Betty Jean Thompson | 18 | Daughter | Saleslady | Iowa |
| 32 | Dale Thompson | 15 | Son | — | Iowa |
| 33 | Dorothy Thompson | 13 | Daughter | — | Iowa |
| 34 | Doris Thompson | 13 | Daughter | — | Iowa |
| 35 | Helen Thompson THIS PERSON | 10 | Daughter | — | Iowa |
| 36 | Patsy Lea Thompson | 9 | Daughter | — | Iowa |
| 37 | Kenneth Thompson | 6 | Son | — | Iowa |
| 38 | Harry Thompson | 5 | Son | — | Iowa |
| 39 | Jimmie Thompson | 3 | Son | — | Iowa |
| 40 | Donna Jean Thompson | 1 | Daughter | — | Iowa |
Related Census Records
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)