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 Nels & Nels — first a head (b.~1886), then head of a 4-person household.
Age 54
b. ~1886
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Nelson |
| Given Name | Frank O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | City of Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Own business |
| Class of Worker | OA |
| Hours Worked | 42 |
| Income (1939) | 2000 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Carpenter |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1886 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Nelson | Head | — | 54 | ~1886 |
| Maria Nelson | Other | — | 80 | ~1860 |
| Norman Nelson | Son | — | 24 | ~1916 |
| Rose Nelson | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Cook, Illinois
Son, age 34
Cook, Illinois · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Conductor |
| Industry | Street Railway |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 44
Cook, Illinois · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Frank S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Merchant |
| Industry | Wholesale Foodstuffs |
| Class of Worker | E |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 54
Cook-County, Illinois · implied b. ~1886 — 4 household members
| Surname | Nelson |
| Given Name | Frank O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | City of Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Carpenter |
| Industry | Own business |
| Class of Worker | OA |
| Hours Worked | 42 |
| Income (1939) | 2000 |
| Highest Grade | 8 |
| 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 Nels Nelson (~0.92 confidence) and father Nels Nelson (~0.92 confidence) and mother Matilda Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Nelson
b. ~1851
Source father
● Household
· direct · ~0.92
Father
Nels Nelson
b. ~1851
Source father
● Household
· direct · ~0.92
Mother
Matilda Nelson
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Nelson
Head · 1940 · age 54 · b. ~1886 · 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-t0627-01002-00847)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernest F Sikorski | 16 | Son | — | Illinois |
| 42 | Dorothy A Sikorski | 14 | Daughter | — | Illinois |
| 43 | Frank Skarlis | 35 | Lodger | Printer | Illinois |
| 44 | Marie Christensen | 80 | Head | — | Denmark |
| 45 | Christina Christensen | 77 | Sister-in-law | — | Denmark |
| 46 | Richard Christensen | 38 | Son | Salesman | Illinois |
| 47 | Paul O Henkel | 45 | Head | Machinist | Germany |
| 48 | Anna E Henkel | 38 | Wife | — | Germany |
| 49 | Philip Hurst | 35 | Head | Rug Washer | Illinois |
| 50 | Helen S Hurst | 44 | Wife | — | Germany |
| 51 | Henry A Kadziewski | 36 | Son-in-law | Elec. Repair Man | Illinois |
| 52 | Lallie L Kadziewski | 28 | Wife | — | Michigan |
| 53 | Frank O Nelson THIS PERSON | 54 | Head | Carpenter | Illinois |
| 54 | Rose L Nelson | 53 | Wife | — | Illinois |
| 55 | Norman F Nelson | 24 | Son | Assembler | Illinois |
| 56 | Maria K Nelson | 80 | Mother-in-law | — | Sweden |
| 57 | Emil P Larson | 37 | Head | Phone Collector | Illinois |
| 58 | Vella E Larson | 27 | Wife | — | Italy |
| 59 | Valda E Larson | 4 | Daughter | — | Illinois |
| 60 | Linda P Larson | 3 | Daughter | — | Illinois |
| 61 | Peter Miller | 29 | Head | Molder | Illinois |
| 62 | Lillian V Miller | 27 | Wife | — | New York |
| 63 | Marylin C Miller | 5 | Daughter | — | Illinois |
| 64 | Kathleen A Miller | 3 | Daughter | — | Illinois |
| 65 | Kalman Buritz | 40 | Head | Waiter | Germany |
| 66 | Pauline Buritz | 39 | Wife | — | Germany |
| 67 | Marion M Buritz | 17 | Daughter | — | Illinois |
| 68 | Walter Chas Buritz | 15 | Son | — | Illinois |
| 69 | Ruth P Buritz | 12 | Daughter | — | Illinois |
| 70 | Frank P Ushrotain|Ushratain | 33 | Head | Painter & Decor | Missouri |
| 71 | Cathrine M Ushrotain|Ushratain | 31 | Wife | — | Illinois |
| 72 | Richard A Ushrotain|Ushratain | 7 | Son | — | Michigan |
| 73 | Donald J Ushrotain|Ushratain | 5 | Son | — | Illinois |
| 74 | David J Ushrotain|Ushratain | 2 | Son | — | Illinois |
| 75 | Frances M Ushrotain|Ushratain | 0 | Daughter | — | Illinois |
| 76 | George W Kelly | 40 | Head | Truck Driver | Illinois |
| 77 | Lillian M Kelly | 38 | Wife | — | Illinois |
| 78 | Carl W Kelly | 21 | Son | Truck Driver | Illinois |
| 79 | Earl W Kelly | 15 | Son | — | California |
| 80 | Richard W Kelly | 13 | Son | — | Illinois |
Pedigree Summary
Frank
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)