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James Barr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Will-County, Illinois
Our Model Tree links this James Barr across the 1930 and 1940 US Censuses in Will-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Will-County, Illinois |
| Surname | Barr |
| Given Name | James W. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Joliet City |
| 1935 Residence (County) | Will |
| Additional Details | |
| Highest Grade | S 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Joliet City |
| Est. Birth Year | ~1930 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Barr | Son | — | 10 | ~1930 |
| Alma Holmstrom | Head | — | 73 | ~1867 |
| Aron Holmstrom | Son | — | 40 | ~1900 |
| George Barr | Son | — | 6 | ~1934 |
| Gunda Fugelstad | Other | — | 34 | ~1906 |
| Louisa Barr | Spouse | — | 34 | ~1906 |
| Head Barr James W | Other | — | — | |
| Myrtle Holmstrom | Daughter | — | 47 | ~1893 |
| Pearl Holmstrom | Son | — | 42 | ~1898 |
| Ruby Holmstrom | Daughter | — | 51 | ~1889 |
Census Appearances
1930
Will, Illinois
Son, age
Will, Illinois · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | James W. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Will-County, Illinois
Son, age 10
Will-County, Illinois · implied b. ~1930 — 10 household members
| Surname | Barr |
| Given Name | James W. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Joliet City |
| 1935 Residence (County) | Will |
| Highest Grade | S 4 |
| 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 James Barr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Barr
Son · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Ruby Holmstrom
Sibling · 1940 · age 51
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aron Holmstrom
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myrtle Holmstrom
Sibling · 1940 · age 47
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Barr
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Holmstrom
Sibling · 1940 · age 42
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 — Will-County, Illinois
Open full size
1940 US Federal Census — Will-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00907-00757)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norman G Lemken | 14 | son | — | Illinois |
| 42 | Alan Lemken | 5 | son | — | Illinois |
| 43 | John W. Ryan | 47 | Head | Mechanical Engineer | Illinois |
| 44 | Grace Ryan | 42 | wife | — | Illinois |
| 45 | Wilberta Ryan | 16 | daughter | — | Illinois |
| 46 | Wayne E. Ireland | 29 | son-in-law | Steel Construction Builder | Illinois |
| 47 | Evelyn Ireland | 21 | daughter | — | Illinois |
| 48 | Amelia R. Hardy | 82 | Head | — | Illinois |
| 49 | Norman Armstrong | 44 | Head | Clerk | Kansas |
| 50 | Alma Armstrong | 48 | wife | — | Illinois |
| 51 | David F. Armstrong | 18 | son | — | Illinois |
| 52 | Warren Armstrong | 17 | son | — | Illinois |
| 53 | June Y. Armstrong | 12 | daughter | — | Illinois |
| 54 | Manuel H. Lauffer | 80 | father-in-law | — | Illinois |
| 55 | Glen Evans | 41 | Head | Teacher | Illinois |
| 56 | Lucille Evans | 39 | wife | — | Pennsylvania |
| 57 | David Evans | 7 | son | — | Illinois |
| 58 | Margaret Evans | 3 | daughter | — | Illinois |
| 59 | Evelyn Mcclintock | 20 | maid | Maid | Illinois |
| 60 | Norman Richards | 53 | Head | Construction Foreman | Michigan |
| 61 | Elizabeth Richards | 48 | wife | — | Indiana |
| 62 | Lois Richards | 19 | daughter | — | Illinois |
| 63 | Donald Richards | 15 | son | — | Illinois |
| 64 | Edward Brown | 39 | Head | — | Illinois |
| 65 | Florence Brown | 37 | wife | — | Illinois |
| 66 | Laverne Brown | 16 | son | — | Illinois |
| 67 | Neil Brown | 9 | son | — | Illinois |
| 68 | Arthur Schruffler | 55 | Head | Doctor | Illinois |
| 69 | Edna Schruffler | 53 | wife | — | Illinois |
| 70 | Anna Nelson | 45 | maid | Maid | Illinois |
| 71 | Alma Holmstrom | 73 | Head | — | Sweden |
| 72 | Ruby A. Holmstrom | 51 | daughter | Teacher | Illinois |
| 73 | Myrtle Holmstrom | 47 | daughter | Teacher | Illinois |
| 74 | Pearl Holmstrom | 42 | son | Manager | Illinois |
| 75 | Aron Holmstrom | 40 | son | Order Clerk | Illinois |
| 76 | Head Barr, James W. | None | M | Private Practice | — |
| 77 | Louisa B. Barr | 34 | wife | — | Georgia |
| 78 | James W. Jr. Barr THIS PERSON | 10 | son | — | Illinois |
| 79 | George B. Barr | 6 | son | — | Illinois |
| 80 | Gunda Fugelstad | 34 | maid | Maid | North Dakota |
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)