JE
James Ellis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Illinois
Our Model Tree links this James Ellis across the 1920, 1930 and 1940 US Censuses in Lake-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 5-person household.
Age 65
b. ~1875
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Illinois |
| Surname | Ellis |
| Given Name | James W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Waukegan |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Occupation | Gen. Manager |
| Industry | Foundry Co. |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 5000 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Gen. Manager |
| Township / Ward | Waukegan |
| Est. Birth Year | ~1875 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Ellis | Head | — | 65 | ~1875 |
| James Pleg | Other | — | 55 | ~1885 |
| Catherine Healy | Other | — | 61 | ~1879 |
| James Ellis | Son | — | 23 | ~1917 |
| Lois Ellis | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Lake, Illinois
Head, age 45
Lake, Illinois · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | James W. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | general manager |
| Industry | Chicago Hardware Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Lake, Illinois
Head, age 55
Lake, Illinois · implied b. ~1875 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | James W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 34 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | New York |
| Occupation | General Manager |
| Industry | Hardware foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 18000 |
| Radio Set | R |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Lake-County, Illinois
Head, age 65
Lake-County, Illinois · implied b. ~1875 — 5 household members
| Surname | Ellis |
| Given Name | James W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Waukegan |
| 1935 Residence (County) | Lake |
| Occupation | Gen. Manager |
| Industry | Foundry Co. |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 5000 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 James Ellis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Ellis
Head · 1940 · age 65 · b. ~1875 · 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 — Lake-County, Illinois
Open full size
1940 US Federal Census — Lake-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00831-00291)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis H. Bushnell | 82 | Head | Cashier | Wisconsin |
| 2 | Charlotte Bushnell | 77 | Wife | — | Illinois |
| 3 | Faith Bushnell | 50 | Daughter | Author | Illinois |
| 4 | Albert P. Mcdermott | 49 | Head | Ct. Reporter | Illinois |
| 5 | Gertrude Mcdermott | 47 | Wife | — | Illinois |
| 6 | Albert Mcdermott | 21 | Son | Gas Worker | Illinois |
| 7 | Rita Mcdermott | 17 | Daughter | — | Illinois |
| 8 | Otto H. Tegtmeyer | 36 | Head | Manager | Illinois |
| 9 | Margaret Tegtmeyer | 32 | Wife | — | Illinois |
| 10 | William Tegtmeyer | 0 | Son | — | Illinois |
| 11 | Belle G. Dorsett | 54 | Head | School Teacher | Illinois |
| 12 | Gertrude Dorsett | 66 | Sister | School Teacher | Illinois |
| 13 | Willard Mcdonough | 31 | Head | Plumbing Bus. | Illinois |
| 14 | Elizabeth Mcdonough | 30 | Wife | — | Illinois |
| 15 | James Mcdonough | 4 | Son | — | Illinois |
| 16 | Willard Jr. Mcdonough | 2 | Son | — | Illinois |
| 17 | James W. Ellis THIS PERSON | 65 | Head | Gen. Manager | Wisconsin |
| 18 | Lois H. Ellis | 63 | Wife | — | Wisconsin |
| 19 | James Jr. Ellis | 23 | Son | — | Illinois |
| 20 | James Pleg | 55 | Brother-in-law | Credit Mgr. | Wisconsin |
| 21 | Catherine Healy | 61 | Sister-in-law | School Teacher | Wisconsin |
| 22 | Ward West | 35 | Head | Business Mgr. | Illinois |
| 23 | Elizabeth West | 35 | Wife | — | Illinois |
| 24 | Ward Jr. West | 4 | Son | — | Illinois |
| 25 | Daughter West | None | F | — | — |
| 26 | Phoebe Wentworth | 27 | Nurse | Nurse | Illinois |
| 27 | Charles F. Ingalls | 78 | Head | Retired | Illinois |
| 28 | Clara W. Ingalls | 75 | Wife | — | Illinois |
| 29 | William H. Heucker | 37 | Head | Tool Engineer | Illinois |
| 30 | Jane Heucker | 32 | Wife | — | Illinois |
| 31 | John Heucker | 11 | Son | — | Illinois |
| 32 | Carl Heucker | 7 | Son | — | Illinois |
| 33 | Thomas E. Morris | 78 | Head | Mgr. Envelope Co. | New Jersey |
| 34 | Amelia S. Morris | 78 | Wife | — | Ohio |
| 35 | Bernadine Gregory | 30 | Maid | Maid | Michigan |
| 36 | Walter H. Giesler | 37 | Head | Lawyer | Wisconsin |
| 37 | Ethel Giesler | 37 | Wife | — | Illinois |
| 38 | Walter Giesler | 6 | Son | — | Illinois |
| 39 | Charles Bergren | 49 | Head | Machinist | Connecticut |
| 40 | Anita Bergren | 37 | Wife | — | Illinois |
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)