ES
Earl Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mclean-County, Illinois
Our Model Tree links this Earl Smith across the 1910, 1920, 1930 and 1940 US Censuses in Mclean-County, Illinois (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mclean-County, Illinois |
| Surname | Smith |
| Given Name | Earl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Mount Hope Township |
| 1935 Residence (County) | McLean |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Mount Hope Township |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Earl Smith | Head | — | 30 | ~1910 |
| Lorraine Eades | Other | — | 20 | ~1920 |
| George Butts | Other | — | 19 | ~1921 |
| Robert Smith | Son | — | 2 | ~1938 |
| Louise Smith | Spouse | — | 31 | ~1909 |
Census Appearances
1910
Mclean, Illinois
Son, age 1
Mclean, Illinois · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | England |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Mclean, Illinois
Son, age 10
Mclean, Illinois · implied b. ~1910 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Earl H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mclean, Illinois
Son, age 20
Mclean, Illinois · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | England |
| Occupation | Laborer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mclean-County, Illinois
Head, age 30
Mclean-County, Illinois · implied b. ~1910 — 5 household members
| Surname | Smith |
| Given Name | Earl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Mount Hope Township |
| 1935 Residence (County) | McLean |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 Earl Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and father Will Smith (~0.92 confidence) and mother Annie Smith (~0.92 confidence) and mother Annie Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Will Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Annie Smith
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Annie Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Earl 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 — Mclean-County, Illinois
Open full size
1940 US Federal Census — Mclean-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00842-00266)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Avery G. Crawford | 49 | Head | Farmer | Illinois |
| 2 | Clara Crawford | 49 | Wife | — | Illinois |
| 3 | L. H. Crawford | 92 | Father | — | Ohio |
| 4 | Harry Belcamp | 65 | Head | Farmer | Holland |
| 5 | Anna Belcamp | 66 | Wife | — | Illinois |
| 6 | Frank Belcamp | 38 | Son | Farm Hand | Illinois |
| 7 | James M. Smith | 51 | Head | Farmer | Pennsylvania |
| 8 | Laura E. Smith | 47 | Wife | — | Illinois |
| 9 | Agnes Ebert | 8 | Niece | — | Illinois |
| 10 | Jones B. Reynolds | 46 | Head | Farmer | Illinois |
| 11 | Jessie M. Reynolds | 50 | Wife | — | Illinois |
| 12 | Charles Shake | 33 | Hired Man | Farm Hand | Indiana |
| 13 | Earl Smith THIS PERSON | 30 | Head | Farmer | Illinois |
| 14 | Louise Smith | 31 | Wife | — | Illinois |
| 15 | Robert E. Smith | 2 | Son | — | Illinois |
| 16 | Lorraine Eades | 20 | Hired Girl | Maid | Minnesota |
| 17 | George Butts | 19 | Hired Man | Farm Hand | Missouri |
| 18 | Gust Nelson | 58 | Head | Farmer | Sweden |
| 19 | Gerda Nelson | 55 | Wife | — | Sweden |
| 20 | Lillian Nelson | 35 | Daughter | — | Illinois |
| 21 | Carl Nelson | 27 | Son | — | South Dakota |
| 22 | Marian Nelson | 18 | Daughter | — | Illinois |
| 23 | Oscar Hockerby | 53 | Head | Farmer | Illinois |
| 24 | Eola Hockerby | 50 | Wife | — | Illinois |
| 25 | Vivian Hockerby | 20 | Daughter | — | Illinois |
| 26 | Freda Cruikshank | 24 | Daughter | — | Illinois |
| 27 | Alva Owens | 49 | Head | Farm Hand | Kentucky |
| 28 | Lorene Owens | 39 | Wife | — | Kentucky |
| 29 | James Owens | 14 | Son | — | Ohio |
| 30 | Wilmont Taylor | 44 | Laborer | Farm Hand | Kentucky |
| 31 | Florence Hensley | 48 | Head | — | Kansas |
| 32 | Wilbur Scott | 25 | Son-in-law | Farm Hand | Illinois |
| 33 | Edith Scott | 26 | Daughter | — | Missouri |
| 34 | Richard Scott | 4 | Grand-son | — | Illinois |
| 35 | Emory Arbuckle | 32 | Head | Farmer | Illinois |
| 36 | Ruby Arbuckle | 30 | Wife | — | Illinois |
| 37 | Weldon Girdler | 32 | Head | Farm Hand | Kentucky |
| 38 | Bessie Girdler | 28 | Wife | — | Illinois |
| 39 | Patricia Girdler | 9 | Daughter | — | Illinois |
| 40 | Robert Ray Girdler | 7 | Son | — | Illinois |
Pedigree Summary
Earl
Gen 1 · 5 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)