RS
Russell Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Boone-County, Illinois
Our Model Tree links this Russell Smith across the 1920, 1930 and 1940 US Censuses in Boone-County, Illinois (XGBoost, ~Confirmed), with identified parents Herman & Martha — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Illinois |
| Surname | Smith |
| Given Name | Russell |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Belvidere |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Occupation | Machine Operator |
| Industry | Sewing Machine Factory |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1108 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machine Operator |
| Township / Ward | Belvidere |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Russell | Age | Birth yr |
|---|---|---|---|---|
| Winifred Smith | Daughter | — | 18 | ~1922 |
| Herman Smith | Head | — | 49 | ~1891 |
| Wayne Smith | Son | — | 15 | ~1925 |
| Russell Smith | Son | — | 22 | ~1918 |
| Martha Smith | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Boone, Illinois
Son, age 1
Boone, Illinois · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Russell |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Boone, Illinois
Son, age 12
Boone, Illinois · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Russell |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Boone-County, Illinois
Son, age 22
Boone-County, Illinois · implied b. ~1918 — 5 household members
| Surname | Smith |
| Given Name | Russell |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Belvidere |
| 1935 Residence (County) | Boone |
| Occupation | Machine Operator |
| Industry | Sewing Machine Factory |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1108 |
| Highest Grade | H-3 |
| 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 Russell Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herman Smith (~0.92 confidence) and mother Martha Smith (~0.92 confidence) and mother Martha Smith (~0.92 confidence) and father Herman Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herman Smith
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Martha Smith
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Martha Smith
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
Herman Smith
b. ~1895
Source father
● Household
· direct · ~0.92
This person
Anchor record
Russell Smith
Son · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Winifred Smith
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Smith
Sibling · 1940 · age 15
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 — Boone-County, Illinois
Open full size
1940 US Federal Census — Boone-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00760-00156)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Chris Holtz | 76 | Head | — | Germany |
| 42 | Mary Holtz | 79 | Wife | — | Germany |
| 43 | Clara Holtz | 38 | Daughter | Inspector | Illinois |
| 44 | John North | 27 | Head | Labor | Illinois |
| 45 | Florence North | 24 | Wife | — | Illinois |
| 46 | Audrey Ann North | 3 | Daughter | — | Illinois |
| 47 | John Jr. North | 1 | Son | — | Illinois |
| 48 | Darlene North | 0 | Daughter | — | Illinois |
| 49 | Nellie Wegert | 62 | Head | Salesman | Pennsylvania |
| 50 | August Dittbenner | 49 | Head | Molder | Germany |
| 51 | Anna Dittbenner | 45 | Wife | — | Illinois |
| 52 | William Dittbenner | 28 | Son | Spray Paint | Illinois |
| 53 | Duane Dittbenner | 16 | Son | Labor | Illinois |
| 54 | Melvin Dittbenner | 8 | Son | — | Illinois |
| 55 | Thomas Campbell | 56 | Head | Night Watchman | Scotland |
| 56 | Thomas Jr. Campbell | 23 | Son | Labor | Illinois |
| 57 | John Welch | 62 | Head | Machinist | Scotland |
| 58 | Margaret Welch | 51 | Wife | — | Scotland |
| 59 | Shell E. Mckibben | 44 | Head | Electroplater | Illinois |
| 60 | Grace Mckibben | 45 | Wife | Pianist | Illinois |
| 61 | Donald H. Mckibben | 19 | Son | Saxophone Player | Illinois |
| 62 | Robert S. Mckibben | 13 | Son | — | Illinois |
| 63 | William Davey | 67 | Head | Conductor | Illinois |
| 64 | Addie Davey | 59 | Wife | — | Illinois |
| 65 | John H. Cormie | 42 | Head | Molder | Scotland |
| 66 | Margaret Cormie | 39 | Wife | — | Scotland |
| 67 | Douglas Cormie | 18 | Son | Labor | Scotland |
| 68 | John Jr. Cormie | 13 | Son | — | Illinois |
| 69 | (Blank) (Blank) | None | (blank) | — | (blank) |
| 70 | Charles P. Smith | 74 | Head | Molder | Germany |
| 71 | Minnie Smith | 66 | Wife | — | Germany |
| 72 | Herman Smith | 49 | Head | Proprietor | Illinois |
| 73 | Martha Smith | 46 | Wife | — | Illinois |
| 74 | Russell Smith THIS PERSON | 22 | Son | Machine Operator | Illinois |
| 75 | Winifred Smith | 18 | Daughter | — | Illinois |
| 76 | Wayne Smith | 15 | Son | — | Illinois |
| 77 | Ernest John | 37 | Head | Molder | Illinois |
| 78 | Raven John | 28 | Wife | — | Illinois |
| 79 | Elmer Frank | 30 | Head | Labor | Illinois |
| 80 | Mildred Frank | 21 | Wife | — | Wisconsin |
Pedigree Summary
Russell + 2 siblings
Gen 1 · 4 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)