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William Ellis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bureau-County, Illinois
Our Model Tree links this William Ellis across the 1920, 1930 and 1940 US Censuses in Bureau-County, Illinois (XGBoost, ~Confirmed), with identified parents George & George — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bureau-County, Illinois |
| Surname | Ellis |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | De Pue |
| 1935 Residence (County) | Bureau |
| Additional Details | |
| Occupation | Laborer |
| Industry | Zinc Mill |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 750 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | De Pue |
| Est. Birth Year | ~1912 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| George Ellis | Head | — | 61 | ~1879 |
| Leslie Ellis | Son | — | 19 | ~1921 |
| William Ellis | Son | — | 28 | ~1912 |
| Louisa Ellis | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Bureau, Illinois
Son, age 7
Bureau, Illinois · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Bureau, Illinois
Son, age 18
Bureau, Illinois · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | William E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Bureau-County, Illinois
Son, age 28
Bureau-County, Illinois · implied b. ~1912 — 4 household members
| Surname | Ellis |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | De Pue |
| 1935 Residence (County) | Bureau |
| Occupation | Laborer |
| Industry | Zinc Mill |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 750 |
| Highest Grade | Hs 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 William Ellis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Ellis (~0.92 confidence) and father George Ellis (~0.92 confidence) and father George Ellis (~0.92 confidence) and mother Louisa Ellis (~0.92 confidence) and mother Veronica Ellis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Ellis
b. ~1879
Source father
● Household
· direct · ~0.92
Father
George Ellis
b. ~1879
Source father
● Household
· direct · ~0.92
Father
George Ellis
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Louisa Ellis
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Veronica Ellis
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Ellis
Son · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
Leslie Ellis
Sibling · 1940 · age 19
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 — Bureau-County, Illinois
Open full size
1940 US Federal Census — Bureau-County, Illinois
Page Contents
32 people indexed on this census page (nara:1940:m-t0627-00762-00937)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Knocks | 26 | Head | Laborer | Illinois |
| 42 | Irene Knocks | 19 | Wife | — | Illinois |
| 43 | Glenn Stickers | 29 | Head | Laborer | Illinois |
| 44 | Amelia Stickers | 28 | Wife | — | Illinois |
| 48 | Joseph Klemenicic | 52 | Head | Laborer | Yugoslavia |
| 49 | Theresa Klemenicic | 50 | Wife | — | Yugoslavia |
| 50 | Hermina Klemenicic | 24 | Daughter | — | Illinois |
| 51 | Olga Klemenicic | 20 | Daughter | Beauty Operator | Illinois |
| 52 | Carl Klemenicic | 9 | Son | — | Illinois |
| 53 | Bernard Kopytkiewicz | 32 | Head | Steel Worker | Illinois |
| 54 | Anna Kopytkiewicz | 33 | Wife | — | Illinois |
| 55 | Delores Kopytkiewicz | 3 | Daughter | — | Illinois |
| 56 | Bernardette Kopytkiewicz | 1 | Son | — | Illinois |
| 57 | Joseph Kenyan | 24 | Head | Lab. | Illinois |
| 58 | Anna Kenyan | 22 | Wife | — | Illinois |
| 59 | Joseph Ambrose | 39 | Head | Laborer | Yugoslavia |
| 60 | Marie Ambrose | 32 | Wife | — | Illinois |
| 61 | Guy Ambrose | 10 | Son | — | Illinois |
| 62 | Anabelle Ambrose | 8 | Daughter | — | Illinois |
| 68 | Walker Lons | 33 | Head | Laborer | Mo. |
| 69 | Irene Lons | 26 | Wife | — | Illinois |
| 70 | Marilyn Lons | 1 | Daughter | — | Illinois |
| 71 | Ben Lons | 47 | Head | Laborer | Mo. |
| 72 | Lora Lons | 37 | Wife | — | Mo. |
| 73 | Gene Lons | 10 | Son | — | Illinois |
| 74 | Al|Alexander Matonayk | 49 | Head | Laborer | Poland |
| 75 | Mary Matonayk | 45 | Wife | — | Poland |
| 76 | George Ellis | 61 | Head | Laborer | Mo. |
| 77 | Louisa Ellis | 56 | Wife | — | Illinois |
| 78 | William Ellis THIS PERSON | 28 | Son | Laborer | Illinois |
| 79 | Leslie Ellis | 19 | Son | — | Illinois |
| 80 | Peter Kruschinski | 50 | Head | Barber | Poland |
Related Census Records
Pedigree Summary
William + 1 sibling
Gen 1 · 5 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)