HS
Herbert Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Logan-County, Illinois
Our Model Tree links this Herbert Smith across the 1920, 1930 and 1940 US Censuses in Logan-County, Illinois (XGBoost, ~Confirmed), with identified parents Samuel & Samuel — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Logan-County, Illinois |
| Surname | Smith |
| Given Name | Herbert D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Lincoln |
| 1935 Residence (County) | Logan |
| Additional Details | |
| Occupation | Caretaker |
| Industry | Macon Cemetery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Caretaker |
| Township / Ward | Lincoln |
| Est. Birth Year | ~1910 |
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 Herbert | Age | Birth yr |
|---|---|---|---|---|
| Patsy Boyd | Daughter | — | 5 | ~1935 |
| Herbert Smith | Head | — | 30 | ~1910 |
| Billie Boyd | Son | — | 10 | ~1930 |
| Ethel Smith | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Logan, Illinois
Son, age 10
Logan, Illinois · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Herbert B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Logan, Illinois
Son, age 20
Logan, Illinois · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Herbert B. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Cemetery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Logan-County, Illinois
Head, age 30
Logan-County, Illinois · implied b. ~1910 — 4 household members
| Surname | Smith |
| Given Name | Herbert D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Lincoln |
| 1935 Residence (County) | Logan |
| Occupation | Caretaker |
| Industry | Macon Cemetery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 900 |
| Highest Grade | Hs 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 Herbert Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Smith (~0.92 confidence) and father Samuel Smith (~0.92 confidence) and mother Julia Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Smith
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Samuel Smith
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Julia Smith
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Herbert Smith
Head · 1940 · age 30 · b. ~1910 · 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 — Logan-County, Illinois
Open full size
1940 US Federal Census — Logan-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00838-00350)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frida Gassman | 46 | Wife | — | Illinois |
| 42 | Ronald J. Gassman | 20 | Son | Clerk | Illinois |
| 43 | Walter J. Gassman | 17 | Son | — | Illinois |
| 44 | Fred Schacht | 79 | Head | — | Germany |
| 45 | Lena M. Schacht | 69 | Wife | — | Illinois |
| 46 | Samuel J. Smith | 71 | Head | — | Illinois |
| 47 | Samuel J. Smith | 71 | Head | Laborer | Illinois |
| 48 | Anna M. Smith | 71 | Wife | — | Illinois |
| 49 | William Ritchhart | 65 | Brother-in-law | — | Illinois |
| 50 | Elizabeth Lyons | 63 | Head | — | Illinois |
| 51 | Mark P. Lyons | 40 | Son | Manager | Illinois |
| 52 | John Lyons | 37 | Son | Manager | Illinois |
| 53 | Thomas Jr. Benning | 27 | Head | Attendant | Illinois |
| 54 | Lorene D. Benning | 23 | Wife | — | Illinois |
| 55 | Daisy E. Heise | 20 | Sister-in-law | Beautician | Illinois |
| 56 | Thomas R. Benning | 0 | Son | — | Illinois |
| 57 | Charles M. Clark | 31 | Head | Gas House Man | Illinois |
| 58 | Callie Clark | 30 | Wife | — | Illinois |
| 59 | Walsh Louise J. Clark | 11 | Daughter | — | Illinois |
| 60 | Louis Nochler | 45 | Head | Supervisor | Illinois |
| 61 | George H. Nochler | 16 | Son | — | Illinois |
| 62 | Norma G. Nochler | 15 | Daughter | — | Illinois |
| 63 | Carl W. Nochler | 13 | Son | — | Illinois |
| 64 | Robert D. Nochler | 7 | Son | — | Illinois |
| 65 | Donna G. Nochler | 6 | Daughter | — | Illinois |
| 66 | Herbert D. Smith THIS PERSON | 30 | Head | Caretaker | Illinois |
| 67 | Ethel R. Smith | 32 | Wife | — | Illinois |
| 68 | Billie Boyd Boyd | 10 | Son | — | Illinois |
| 69 | Patsy Jo Boyd | 5 | Daughter | — | Illinois |
| 70 | David Giuliani | 36 | Head | Laundry Man | France |
| 71 | Anne Mae Giuliani | 28 | Wife | — | Illinois |
| 72 | David Lee Giuliani | 7 | Son | — | Illinois |
| 73 | Kathleen A. Giuliani | 3 | Daughter | — | Illinois |
| 74 | Lloyd Altum | 24 | Head | Pressman | Illinois |
| 75 | Ruth Altum | 31 | Wife | — | Illinois |
| 76 | Richard Altum | 6 | Son | — | Illinois |
| 77 | Anne Altum | 3 | Daughter | — | Illinois |
| 78 | Carol Altum | 3 | Daughter | — | Illinois |
| 79 | Maryanne Lynne Altum | 0 | Daughter | — | Illinois |
| 80 | Anna Mangle | 67 | Head | — | Illinois |
Pedigree Summary
Herbert
Gen 1 · 3 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)