CT
Cora Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Minnesota
Our Model Tree links this Cora Thompson across the 1910, 1920, 1930 and 1940 US Censuses in Polk-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 3-person household.
Age 58
b. ~1882
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Minnesota |
| Surname | Thompson |
| Given Name | Cora A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Crookston city |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Crookston City |
| Est. Birth Year | ~1882 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Cora | Age | Birth yr |
|---|---|---|---|---|
| Cora Thompson | Spouse | — | 58 | ~1882 |
| Laverne Thompson | Daughter | — | 30 | ~1910 |
| William Thompson | Head | — | 59 | ~1881 |
Census Appearances
1910
Polk, Minnesota
Spouse, age 28
Polk, Minnesota · implied b. ~1882 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Cora E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Years Married | 7 |
| Children Born | 4 |
| Children Living | 2 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Polk, Minnesota
Spouse, age 38
Polk, Minnesota · implied b. ~1882 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Cora |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Polk, Minnesota
Spouse, age 48
Polk, Minnesota · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Cora A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 20 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Polk-County, Minnesota
Spouse, age 58
Polk-County, Minnesota · implied b. ~1882 — 3 household members
| Surname | Thompson |
| Given Name | Cora A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Crookston city |
| 1935 Residence (County) | Polk |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Cora Thompson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Cora Thompson
Spouse · 1940 · age 58 · b. ~1882 · Minnesota
★ 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, Minnesota
Open full size
1940 US Federal Census — Polk-County, Minnesota
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01949-00307)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Balfour | 5 | Niece | Stenographer | Minnesota |
| 2 | Amanda Johnson | 43 | Head | Cooking | Minnesota |
| 3 | Vernon S. Johnson | 28 | Son | Cement Mixer | Minnesota |
| 4 | Virginia Johnson | 17 | Daughter | — | Minnesota |
| 5 | Deloris Johnson | 22 | Daughter | — | Minnesota |
| 6 | Allan K. Johnson | 15 | Son | — | Minnesota |
| 7 | Peter J. Bruley | 48 | Head | Delivery Man | Canada |
| 8 | Leonile Bruley | 40 | Wife | — | Minnesota |
| 9 | Clarence H. Bruley | 18 | Son | — | Minnesota |
| 10 | Lloyd W. Bruley | 13 | Son | — | Minnesota |
| 11 | William Head Thompson | 59 | Head | Mail Clerk | Minnesota |
| 12 | Cora A. Thompson THIS PERSON | 58 | Wife | — | Minnesota |
| 13 | Laverne Thompson | 30 | Daughter | — | Minnesota |
| 14 | Harry R. Pierce | 57 | Head | Foreman | Minnesota |
| 15 | Ethel M. Pierce | 49 | Wife | — | Minnesota |
| 16 | Keith H. Pierce | 23 | Son | Optician | Iowa |
| 17 | Lloyd R. Pierce | 21 | Son | — | Minnesota |
| 18 | Curtis H. Pierce | 18 | Son | — | Minnesota |
| 19 | Anna Semingson | 63 | Head | — | Norway |
| 20 | Roy A. Semingson | 37 | Son | Salesman | Minnesota |
| 21 | Viola Semingson | 36 | Daughter | Stenographer | Minnesota |
| 22 | Henry Bruley | 67 | Head | Painting | Michigan |
| 23 | Maude E. Bruley | 63 | Wife | Furrier | Minnesota |
| 24 | Pearl M. Bruley | 29 | Daughter | Operator | Minnesota |
| 25 | Nels A. Madison | 39 | Head | — | Sweden |
| 26 | June E. Madison | 19 | Daughter | Servant | So Dakota |
| 27 | Elna M. Madison | 15 | Daughter | — | Canada |
| 28 | Dorothy M. Madison | 12 | Daughter | — | Minnesota |
| 29 | Verna K. Madison | 8 | Daughter | — | Minnesota |
| 30 | Webster A. Johannson | 47 | Head | Field Man | Minnesota |
| 31 | Delores M. Johannson | 31 | Wife | — | So Dakota |
| 32 | Chester E. Kamstad | 28 | Head | Salesman | Minnesota |
| 33 | Emma Kamstad | 26 | Wife | Saleslady | Minnesota |
| 34 | William H. Malmberg | 60 | Head | Grain Buyer | Minnesota |
| 35 | Alice R. Malmberg | 50 | Wife | — | Minnesota |
| 36 | John G. Widme | 37 | Head | Stationary Engineer | Minnesota |
| 37 | Alma Widme | 40 | Wife | — | Minnesota |
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)