RS
Ralph Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Illinois
Our Model Tree links this Ralph Smith across the 1910, 1920, 1930 and 1940 US Censuses in Hamilton-County, Illinois (XGBoost, ~Confirmed), with identified parents Silas & Belle — first a head (b.~1904), then head of a 10-person household.
Age 36
b. ~1904
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Illinois |
| Surname | Smith |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 349 |
| Highest Grade | Hs 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | Crouch Twp |
| Est. Birth Year | ~1904 |
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 Ralph | Age | Birth yr |
|---|---|---|---|---|
| Carylon Smith | Daughter | — | 2 | ~1938 |
| Velma Smith | Daughter | — | 4 | ~1936 |
| Venita Smith | Daughter | — | 6 | ~1934 |
| Ralph Smith | Head | — | 36 | ~1904 |
| Cameron Smith | Son | — | 12 | ~1928 |
| Bernard Smith | Son | — | 13 | ~1927 |
| Adron Smith | Son | — | 10 | ~1930 |
| Harold Smith | Son | — | 16 | ~1924 |
| Lowell Smith | Son | — | 8 | ~1932 |
| Rosa Smith | Spouse | — | 34 | ~1906 |
Census Appearances
1910
Hamilton, Illinois
Son, age 6
Hamilton, Illinois · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Hamilton, Illinois
Son, age 16
Hamilton, Illinois · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Hamilton, Illinois
Son, age 26
Hamilton, Illinois · implied b. ~1904 — 49 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Barber |
| Industry | Barber Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Hamilton-County, Illinois
Head, age 36
Hamilton-County, Illinois · implied b. ~1904 — 10 household members
| Surname | Smith |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hamilton |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 349 |
| Highest Grade | Hs 4 |
| 1935 Residence | Illinois |
| 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 Ralph Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Silas Smith (~0.92 confidence) and mother Belle Smith (~0.92 confidence) and mother Bell Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Silas Smith
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Belle Smith
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Bell Smith
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Smith
Head · 1940 · age 36 · b. ~1904 · 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 — Hamilton-County, Illinois
Open full size
1940 US Federal Census — Hamilton-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00809-00598)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Berdie Good | 72 | Wife | — | Ohio |
| 42 | Ethel Irvin | 40 | Head | — | Illinois |
| 43 | Laron Irvin | 20 | Daughter | — | Illinois |
| 44 | Virgil Irvin | 19 | Son | Laborer | Illinois |
| 45 | Vivian Irvin | 17 | Daughter | — | Illinois |
| 46 | Ruby Irvin | 15 | Daughter | — | Illinois |
| 47 | Mary June Irvin | 13 | Daughter | — | Illinois |
| 48 | Kelly Jane Irvin | 12 | Daughter | — | Illinois |
| 49 | Jimmy L. Irvin | 10 | Son | — | Illinois |
| 50 | Edith Irvin | 8 | Daughter | — | Illinois |
| 51 | Dave Osborn | 49 | Head | Farming | Illinois |
| 52 | Edith Osborn | 47 | Wife | — | Illinois |
| 53 | Christina Williams | 79 | Mother-in-law | — | Illinois |
| 54 | Ray Richardson | 53 | Head | — | Illinois |
| 55 | Minnie Richardson | 49 | Wife | — | Illinois |
| 56 | Imogene Richardson | 17 | Daughter | — | Illinois |
| 57 | Claude Richardson | 21 | Son | Farmer | Illinois |
| 58 | Ruth Richardson | 27 | Daughter | — | Illinois |
| 59 | Marvin Richardson | 2 | Son | — | Illinois |
| 60 | Orval Richards | 34 | Head | Laborer | Illinois |
| 61 | Wilhelma Richards | 37 | Wife | — | Illinois |
| 62 | Junior Richards | 11 | Son | — | Illinois |
| 63 | Mary Richards | 9 | Daughter | — | Illinois |
| 64 | Ted Johnson | 50 | Head | Laborer | Illinois |
| 65 | Bertha Johnson | 42 | Wife | — | Iowa |
| 66 | Betty Johnson | 9 | Niece | — | Illinois |
| 67 | Rose Mary Johnson | 7 | Niece | — | Illinois |
| 68 | Pearl Johnson | 22 | Daughter | Asst Dietician | Illinois |
| 69 | Ralph Smith THIS PERSON | 36 | Head | Teacher | Illinois |
| 70 | Rosa Smith | 34 | Wife | — | Illinois |
| 71 | Harold Smith | 16 | Son | — | Illinois |
| 72 | Bernard Smith | 13 | Son | — | Illinois |
| 73 | Cameron Smith | 12 | Son | — | Illinois |
| 74 | Adron Smith | 10 | Son | — | Illinois |
| 75 | Lowell Smith | 8 | Son | — | Illinois |
| 76 | Venita Smith | 6 | Daughter | — | Illinois |
| 77 | Velma Smith | 4 | Daughter | — | Illinois |
| 78 | Carylon Smith | 2 | Daughter | — | Illinois |
| 79 | Raymond Wetter | 41 | Head | Merchant | Illinois |
| 80 | Lora Wetter | 41 | Wife | — | Illinois |
Related Census Records
Pedigree Summary
Ralph
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)