FN
Frank Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Frank Nelson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Frank & Thomas — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Nelson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Maywood Village |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Core Maker |
| Industry | Core Oil Manufacturing |
| Class of Worker | PW |
| Hours Worked | 10 |
| Income (1939) | 496 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Core Maker |
| Township / Ward | Maywood Village |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Edith Ginn | Daughter | — | 26 | ~1914 |
| Thomas Nelson | Head | — | 49 | ~1891 |
| Lulu Baldwin | Other | — | 55 | ~1885 |
| Orville Nelson | Son | — | 24 | ~1916 |
| Frank Nelson | Son | — | 22 | ~1918 |
| Robert Nelson | Son | — | 5 | ~1935 |
| Bessie Nelson | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Frank |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 22
Cook-County, Illinois · implied b. ~1918 — 7 household members
| Surname | Nelson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Maywood Village |
| 1935 Residence (County) | Cook |
| Occupation | Core Maker |
| Industry | Core Oil Manufacturing |
| Class of Worker | PW |
| Hours Worked | 10 |
| Income (1939) | 496 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| 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 Frank Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Nelson (~0.92 confidence) and father Thomas Nelson (~0.92 confidence) and mother Bessie Nelson (~0.92 confidence) and mother Margaret Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Nelson
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Thomas Nelson
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Bessie Nelson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Margaret Nelson
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Nelson
Son · 1940 · age 22 · b. ~1918 · Illinois
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Sibling
Robert Nelson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orville Nelson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Ginn
Sibling · 1940 · age 26
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 — 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-t0627-00787-00684)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nancy Runhow | 4 | Daughter | — | Illinois |
| 2 | George B. Gormley | 49 | Head | Traffic Manager | Michigan |
| 3 | Elizabeth Gormley | 55 | Wife | — | Michigan |
| 4 | Agnes Gormley | 27 | Daughter | Stenographer | Michigan |
| 5 | Robert Gormley | 21 | Son | Apprentice | Michigan |
| 6 | Jean Gormley | 16 | Daughter | — | Illinois |
| 7 | Francis L. Hunt | 47 | Head | Station Foreman | Iowa |
| 8 | Della Mae Hunt | 44 | Wife | Teacher | Illinois |
| 9 | Paul Hunt | 17 | Son | — | Illinois |
| 10 | Jack Hunt | 12 | Son | — | Illinois |
| 11 | Frank A. Grommes | 41 | Head | Lawyer | Illinois |
| 12 | Mabel Grommes | 40 | Wife | — | Indiana |
| 13 | James F. (Jr) Grommes | 19 | Son | Photographer | Indiana |
| 14 | Patricia Grommes | 16 | Daughter | — | Indiana |
| 15 | Thomas Nelson | 49 | Head | Carpenter | Illinois |
| 16 | Bessie Nelson | 46 | Wife | — | Illinois |
| 17 | Orville Nelson | 24 | Son | Shipping Clerk | Illinois |
| 18 | Frank Nelson THIS PERSON | 22 | Son | Core Maker | Illinois |
| 19 | Robert Nelson | 5 | Son | — | Illinois |
| 20 | Edith Ginn | 26 | Daughter | — | Illinois |
| 21 | Lulu Baldwin | 55 | Lodger | — | New York |
| 22 | Theodore Wolff | 46 | Head | Engineer | Wisconsin |
| 23 | Ellen Wolff | 46 | Wife | — | Wisconsin |
| 24 | Edward Wolff | 22 | Son | Truck Driver | Wisconsin |
| 25 | Robert Wolff | 18 | Son | New Worker | Illinois |
| 26 | Dorothy Wolff | 16 | Daughter | — | Illinois |
| 27 | John Wolff | 14 | Son | — | Illinois |
| 28 | Marian Wolff | 8 | Daughter | — | Illinois |
| 29 | Margaret Wolff | 5 | Daughter | — | Illinois |
| 30 | Martin Couture | 45 | Head | Truck Driver | Wisconsin |
| 31 | Emily Couture | 41 | Wife | — | Illinois |
| 32 | Andrew J. Kikelery | 50 | Head | Department Manager | Illinois |
| 33 | Ruby Kikelery | 47 | Wife | — | Illinois |
| 34 | Belle Mackenson | 31 | Head | — | Illinois |
| 35 | Donald Mackenson | 34 | Brother | Laborer | Illinois |
| 36 | Laura Mackenson | 33 | Sister | Stenographer | Illinois |
| 37 | Miriam Mackenson | 24 | Sister | File Clerk | Illinois |
| 38 | Sarah Jane Mackenson | 55 | Mother | — | Illinois |
| 39 | Walter Herzog | 46 | Head | Superintendent | Ohio |
| 40 | Louise Herzog | 39 | Wife | Waitress | Illinois |
Pedigree Summary
Frank + 3 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)