MN
Mildred Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mildred Nelson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Axel & Axel — first a daughter (b.~1906), then head of a 2-person household.
Age 34
b. ~1906
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Nelson |
| Given Name | Mildred A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Berwyn City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1800 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stenographer |
| Township / Ward | Berwyn City |
| Est. Birth Year | ~1906 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Mildred Nelson | Daughter | — | 34 | ~1906 |
| Axel Nelson | Head | — | 73 | ~1867 |
Census Appearances
1920
Cook, Illinois
Daughter, age 13
Cook, Illinois · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 24
Cook, Illinois · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Stenographer |
| Industry | Railroad Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 34
Cook-County, Illinois · implied b. ~1906 — 2 household members
| Surname | Nelson |
| Given Name | Mildred A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Berwyn City |
| 1935 Residence (County) | Cook |
| Occupation | Stenographer |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1800 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Axel Nelson (~0.92 confidence) and father Axel Nelson (~0.92 confidence) and mother Caroline Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Axel Nelson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Axel Nelson
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Caroline Nelson
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Nelson
Daughter · 1940 · age 34 · b. ~1906 · Illinois
★ 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00772-00598)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George W. Crowder | 51 | Head | Construction Superintendent | New York |
| 2 | Myrtle M. Crowder | 50 | Wife | — | Illinois |
| 3 | Fred L. Kniskern | 58 | Head | Salesman | Wisconsin |
| 4 | Gertrude C. Kniskern | 48 | Wife | — | Illinois |
| 5 | C. Robert Kniskern | 18 | Son | Salesman | Illinois |
| 6 | W. Gordon Kniskern | 16 | Son | — | Illinois |
| 7 | Alvor Hedberg | 37 | Head | Superintendent | Illinois |
| 8 | Mabelle E. Hedberg | 38 | Wife | — | Illinois |
| 9 | Alva L. Hedberg | 2 | Daughter | — | Illinois |
| 10 | Victor E. Hogstrom | 53 | Head | Dentist | Illinois |
| 11 | Edna L. Hogstrom | 48 | Wife | — | Illinois |
| 12 | Lois E. Hogstrom | 18 | Daughter | Page Girl | Illinois |
| 13 | Donald B. Hogstrom | 13 | Son | — | Illinois |
| 14 | Frank A. Lambert | 65 | Head | — | New Jersey |
| 15 | Mary E. Lambert | 66 | Wife | — | Canada-English |
| 16 | George A. Lambert | 42 | Son | Purchasing Agent | Illinois |
| 17 | Edwin M. Lambert | 22 | Son | Office Clerk | Illinois |
| 18 | James P. Buckley | 64 | Head | Master Carpenter | Iowa |
| 19 | Agnes M. Buckley | 64 | Wife | — | Iowa |
| 20 | William B. Buckley | 39 | Son | Aviator | Iowa |
| 21 | James P. Buckley | 32 | Son | Maintenance Man | Iowa |
| 22 | Frances M. Mcgonaghey | 38 | Daughter | Cashier | Iowa |
| 23 | Jack L. Mcgonaghey | 5 | Grandson | — | Iowa |
| 24 | Anna M. Anderson | 52 | Lodger | Teacher | Illinois |
| 25 | Fred Mcmickle | 32 | Lodger | Red Cap | Texas |
| 26 | Lillian S. Ford | 61 | Head | — | Michigan |
| 27 | Mary E. Rogers | 32 | Lodger | Teacher | Illinois |
| 28 | Joseph E. Kacena | 43 | Head | Building Equipment Contractor | Illinois |
| 29 | Anna Kacena | 39 | Wife | — | Illinois |
| 30 | Richard F. Kacena | 15 | Son | — | Illinois |
| 31 | Ruth M. Kacena | 8 | Daughter | — | Illinois |
| 32 | Axel G. Nelson | 73 | Head | — | Sweden |
| 33 | Mildred A. Nelson THIS PERSON | 34 | Daughter | Stenographer | Illinois |
| 34 | Fred Sorenson | 76 | Head | — | Sweden |
| 35 | Hilma M. Sorenson | 73 | Wife | — | Sweden |
| 36 | Vera E. Rufel | 44 | Lodger | Stenographer | Illinois |
| 37 | Molly A. Rich | 55 | Lodger | Teacher | Illinois |
| 38 | Edwin R. Seeberg | 41 | Head | Plasterer | Illinois |
| 39 | Irene C. Seeberg | 42 | Wife | — | Illinois |
| 40 | Marjorie J. Seeberg | 14 | Daughter | — | Illinois |
Pedigree Summary
Mildred
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)