JM
Jack Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Jack Miller across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Albert & Emily — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Miller |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Crystal Lake |
| 1935 Residence (County) | McHenry |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 900 |
| Highest Grade | H-4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Bookkeeper |
| Township / Ward | Chicago |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Albert Miller | Head | — | 51 | ~1889 |
| Jack Miller | Son | — | 22 | ~1918 |
| Emily Miller | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Jack |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Norway |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Jack C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Norway |
| 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 — 3 household members
| Surname | Miller |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Crystal Lake |
| 1935 Residence (County) | McHenry |
| Occupation | Bookkeeper |
| Industry | Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 900 |
| Highest Grade | H-4 |
| 1935 Residence | Illinois |
| 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 Jack Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Miller (~0.92 confidence) and mother Emily Miller (~0.92 confidence) and mother Nellie Miller (~0.92 confidence) and father Charles Miller (~0.92 confidence) and father Charles Miller (~0.92 confidence) and mother Nellie Miller (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Miller
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Emily Miller
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Nellie Miller
b. ~1893
Source mother
● Household
· direct · ~0.92
Father
Charles Miller
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Charles Miller
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Nellie Miller
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Jack Miller
Son · 1940 · age 22 · b. ~1918 · 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-t0627-01022-00112)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Maureen Klatt | 5 | Daughter | — | Illinois |
| 42 | Galvonski|Galvanski Klatt | None | Lucy | 60 | H-2 |
| 43 | Clarence Johnson | 35 | Head | Auditor | Illinois |
| 44 | Ruth Johnson | 31 | Wife | — | Illinois |
| 45 | Katherine Sadler | 55 | Mother-in-law | — | Minnesota |
| 46 | Arthur Prachel | 40 | Head | Salesman | Illinois |
| 47 | Florence Prachel | 39 | Wife | — | Illinois |
| 48 | Arthur Prachel | 17 | Son | — | Illinois |
| 49 | Isador Meerson | 60 | Head | Tailor | Russia |
| 50 | William Meerson | 34 | Son | Salesman | Russia |
| 51 | Minna Meerson | 30 | Daughter-in-law | — | Russia |
| 52 | Sandra Meerson | 7 | Granddaughter | — | Illinois |
| 53 | Naunette Amaden | 50 | Head | Bookkeeper | Indiana |
| 54 | Mary Amaden | 43 | Daughter | — | Scotland |
| 55 | Albert Miller | 51 | Head | Decorator | Illinois |
| 56 | Emily Miller | 47 | Wife | — | Illinois |
| 57 | Jack Miller THIS PERSON | 22 | Son | Bookkeeper | Illinois |
| 58 | Herman Limpach | 38 | Head | Baker | Germany |
| 59 | Lieselotte Limpach | 26 | Wife | — | Germany |
| 60 | Ruth Limpach | 3 | Daughter | — | Illinois |
| 61 | Elmer Johnson | 45 | Head | Teller | Illinois |
| 62 | Edna Johnson | 40 | Wife | — | Illinois |
| 63 | Jess Hill | 48 | Head | Salesman | Michigan |
| 64 | Deneas Hill | 35 | Wife | Stenographer | Iowa |
| 65 | Harry Madson | 29 | Head | Proprietor | New Jersey |
| 66 | Emily Madson | 21 | Wife | Bookkeeper | Illinois |
| 67 | Arthur Probst | 40 | Head | Printer | Illinois |
| 68 | Helen Probst | 47 | Wife | — | Illinois |
| 69 | Victor Parson | 72 | Head | Proprietor | Iowa |
| 70 | Solon Reeves | 52 | Head | Salesman | New York |
| 71 | Lola Reeves | 40 | Wife | — | S. Dakota |
| 72 | William Swoboda | 28 | Head | Pharmacist | Illinois |
| 73 | Lois Swoboda | 24 | Wife | — | Illinois |
| 74 | Kenneth Schittel | 33 | Head | Salesman | Indiana |
| 75 | Margaret Schittel | 32 | Wife | — | Indiana |
| 76 | Edwin Duennwald | 29 | Head | Machinist | Michigan |
| 77 | Nodell Duennwald | 22 | Wife | — | Illinois |
| 78 | Delwyn Duennwald | 1 | Daughter | — | Illinois |
| 79 | Paul Meyer | 39 | Head | Salesman | Mass. |
| 80 | Maurine Meyer | 40 | Mother-in-law | — | Indiana |
Pedigree Summary
Jack
Gen 1 · 6 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)