AT
Albert Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Shelby-County, Iowa
Our Model Tree links this Albert Thompson across the 1920, 1930 and 1940 US Censuses in Shelby-County, Iowa (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Iowa |
| Surname | Thompson |
| Given Name | Albert S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Harlan |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Occupation | Sailor |
| Industry | US Navy |
| Class of Worker | GW |
| Hours Worked | 54 |
| Income (1939) | 608 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Sailor |
| Township / Ward | Harlan |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Albert | Age | Birth yr |
|---|---|---|---|---|
| William Thompson | Head | — | 56 | ~1884 |
| George Thompson | Son | — | 14 | ~1926 |
| Victor Thompson | Son | — | 20 | ~1920 |
| Albert Thompson | Son | — | 22 | ~1918 |
| Sine Thompson | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Shelby, Iowa
Son, age 2
Shelby, Iowa · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Albert Sherman |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Shelby, Iowa
Son, age 12
Shelby, Iowa · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Albert S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Shelby-County, Iowa
Son, age 22
Shelby-County, Iowa · implied b. ~1918 — 5 household members
| Surname | Thompson |
| Given Name | Albert S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Harlan |
| 1935 Residence (County) | Shelby |
| Occupation | Sailor |
| Industry | US Navy |
| Class of Worker | GW |
| Hours Worked | 54 |
| Income (1939) | 608 |
| 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 Albert Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Thompson (~0.92 confidence) and father William Thompson (~0.92 confidence) and mother Sine Thompson (~0.92 confidence) and mother Lina Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Thompson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
William Thompson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Sine Thompson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Lina Thompson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Albert Thompson
Son · 1940 · age 22 · b. ~1918 · Iowa
★ You are viewing this record
Sibling
George Thompson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victor Thompson
Sibling · 1940 · age 20
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 — Shelby-County, Iowa
Open full size
1940 US Federal Census — Shelby-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01204-00247)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | R Howard | 5 | Son | — | Iowa |
| 2 | William Thompson | 56 | Head | Carpenter | Denmark |
| 3 | Sine Thompson | 52 | Wife | — | Denmark |
| 4 | Albert S Thompson THIS PERSON | 22 | Son | Sailor | Iowa |
| 5 | Victor E Thompson | 20 | Son | Delivery | Iowa |
| 6 | George Thompson | 14 | Son | — | Iowa |
| 7 | Albert Vogel | 29 | Head | Bookkeeper | Germany |
| 8 | Esther E Vogel | 31 | Wife | — | Iowa |
| 9 | Peter Battenberg | 49 | Head | Janitor | Iowa |
| 10 | Anna D Battenberg | 44 | Wife | — | Iowa |
| 11 | Kathleen M Battenberg | 18 | Daughter | Saleslady | Iowa |
| 12 | Dorothy M Battenberg | 15 | Daughter | — | Iowa |
| 13 | Frank A Bishop | 74 | Head | — | Illinois |
| 14 | Anna A Bishop | 72 | Wife | — | Iowa |
| 15 | James H Dryden | 50 | Head | Salesman | Iowa |
| 16 | Ellen R Dryden | 46 | Wife | Saleslady | Iowa |
| 17 | Kathryn E Dryden | 23 | Daughter | Telegrapher | Iowa |
| 18 | Jack Dryden | 12 | Son | — | Iowa |
| 19 | Marion Michels | 25 | Maid | Maid | Iowa |
| 20 | George Christensen | 56 | Head | Farmer | Iowa |
| 21 | Minnie Christensen | 54 | Wife | — | Iowa |
| 22 | Dewey L Thuesen | 41 | Head | House Work | Denmark |
| 23 | Daisy Thuesen | 17 | Daughter | — | Iowa |
| 24 | Zella M Thuesen | 12 | Daughter | — | Iowa |
| 25 | Noble A Nelson | 27 | Head | Dairying | Iowa |
| 26 | Clara C Nelson | 25 | Wife | — | Iowa |
| 27 | Jeanette D Nelson | 3 | Daughter | — | Iowa |
| 28 | Wayne R Jensen | 17 | Hired man | Laborer | Iowa |
| 29 | — | None | — | — | — |
| 30 | Nels P Petersen | 73 | Head | Farmer | Denmark |
| 31 | Annerine M Petersen | 74 | Wife | — | Denmark |
| 32 | Louis A Christensen | 27 | Head | Printer | Iowa |
| 33 | Irene B Christensen | 24 | Wife | — | Iowa |
| 34 | Chas W Christensen | 6 | Son | — | Nebraska |
| 35 | Kenneth L Christensen | 4 | Son | — | Iowa |
| 36 | John R Paulsen | 54 | Head | Blacksmith | Denmark |
| 37 | Flora T Paulsen | 42 | Wife | — | Iowa |
| 38 | Violet M Paulsen | 16 | Daughter | — | Iowa |
| 39 | Ardyce M Paulsen | 12 | Daughter | — | Iowa |
| 40 | Thomas C Jorgensen | 83 | Father-in-law | — | Denmark |
Pedigree Summary
Albert + 2 siblings
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)