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Ben Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Ben Smith across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed), with identified parents Arl & Lavina — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Smith |
| Given Name | Ben |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield Twp |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Occupation | company man |
| Industry | coal mine |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 678 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Company Man |
| Township / Ward | Springfield Twp |
| Est. Birth Year | ~1909 |
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 Ben | Age | Birth yr |
|---|---|---|---|---|
| Margaret Smith | Spouse | — | 37 | ~1903 |
| Rita Smith | Daughter | — | 7 | ~1933 |
| Donna Smith | Daughter | — | 1 | ~1939 |
| Ben Smith | Head | — | 31 | ~1909 |
Census Appearances
1920
Sangamon, Illinois
Son, age 10
Sangamon, Illinois · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Benny |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Son, age 20
Sangamon, Illinois · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Benny |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Head, age 31
Sangamon-County, Illinois · implied b. ~1909 — 4 household members
| Surname | Smith |
| Given Name | Ben |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield Twp |
| 1935 Residence (County) | Sangamon |
| Occupation | company man |
| Industry | coal mine |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 678 |
| Highest Grade | H-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 Ben Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arl Smith (~0.92 confidence) and mother Lavina Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arl Smith
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Lavina Smith
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ben Smith
Head · 1940 · age 31 · b. ~1909 · 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 — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00887-00757)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patrick Ward | 58 | Brother | Carpenter | Illinois |
| 42 | Dawson Barnes | 30 | Head | Foreman | Ohio |
| 43 | Helen Barnes | 23 | Wife | — | Illinois |
| 44 | Dawson Barnes | 3 | Son | — | Illinois |
| 45 | Carl Loff | 43 | Head | Farmer | Kentucky |
| 46 | Dalsie Loff | 43 | Wife | — | Kentucky |
| 47 | Leonard Loff | 20 | Son | Bookkeeper | Kentucky |
| 48 | Mildred Loff | 18 | Daughter | — | Kentucky |
| 49 | Alonzo Loff | 16 | Son | — | Kentucky |
| 50 | Garnet Loff | 14 | Daughter | — | Kentucky |
| 51 | Eura Loff | 6 | Daughter | — | Illinois |
| 52 | Willard Goff | 21 | Hired hand | Farming | Kentucky |
| 53 | Ben Smith THIS PERSON | 31 | Head | Company Man | Illinois |
| 54 | Margaret Smith | 37 | Wife | — | Pennsylvania |
| 55 | Rita Ann Smith | 7 | Daughter | — | Illinois |
| 56 | Donna Smith | 1 | Daughter | — | Illinois |
| 57 | Joseph Householder | 64 | Head | — | Tennessee |
| 58 | Mary Householder | 64 | Wife | — | Tennessee |
| 59 | Alfred Quattrine | 31 | Head | Marble Setter | Italy |
| 60 | Cecilia Quattrine | 27 | Wife | Clothes Cleaner | Texas |
| 61 | Fred Quattrine | 7 | Son | — | Illinois |
| 62 | Albert Reddinger | 62 | Head | — | Germany |
| 63 | Philomena Reddinger | 56 | Wife | — | Tennessee |
| 64 | Albert Reddinger | 31 | Son | Truck Driver | Illinois |
| 65 | George Reddinger | 25 | Son | Laborer | Illinois |
| 66 | William Reddinger | 17 | Son | — | Illinois |
| 67 | Alice Dyer | 54 | Head | — | Illinois |
| 68 | Charles Dyer | 23 | Son | Laborer | Illinois |
| 69 | Ruth Dyer | 20 | Daughter | — | Illinois |
| 70 | Raymond Dyer | 17 | Son | Kitchener | Illinois |
| 71 | Lloyd Dyer | 13 | Son | — | Illinois |
| 72 | Mary Millard | 86 | Mother | — | Illinois |
| 73 | Americo Gais | 39 | Head | Sewer Construction | Italy |
| 74 | Edith Gais | 33 | Wife | — | Illinois |
| 75 | Paul Gais | 14 | Son | — | Illinois |
| 76 | Americo Gais | 12 | Son | — | Illinois |
| 77 | Mary Gais | 3 | Daughter | — | Illinois |
| 78 | Raymond Gais | 1 | Son | — | Illinois |
| 79 | Rose A. Hobson | 68 | Head | — | Illinois |
| 80 | Theodore Reddinger | 65 | Head | — | Germany |
Related Census Records
Pedigree Summary
Ben
Gen 1 · 2 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)