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Clarence Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Illinois
Our Model Tree links this Clarence Allen across the 1910, 1920, 1930 and 1940 US Censuses in Jefferson-County, Illinois (XGBoost, ~Confirmed), with identified parents Richard & Annie — first a head (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Illinois |
| Surname | Allen |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Dodds Twp |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Carpenter |
| Industry | House Builder |
| Class of Worker | OA |
| Income (1939) | 308 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Carpenter |
| Township / Ward | Dodds Twp |
| Est. Birth Year | ~1905 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Clarence Allen | Head | — | 35 | ~1905 |
| Lois Allen | Daughter | — | 14 | ~1926 |
| Nwanita Allen | Son | — | 9 | ~1931 |
| Norman Allen | Daughter | — | 12 | ~1928 |
| Leopal Allen | Spouse | — | 33 | ~1907 |
Census Appearances
1910
Jefferson, Illinois
Son, age 6
Jefferson, Illinois · implied b. ~1904 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Clarence |
| 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
Jefferson, Illinois
Son, age 15
Jefferson, Illinois · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Clarence E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Jefferson, Illinois
Head, age 26
Jefferson, Illinois · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jefferson-County, Illinois
Head, age 35
Jefferson-County, Illinois · implied b. ~1905 — 5 household members
| Surname | Allen |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Dodds Twp |
| 1935 Residence (County) | Jefferson |
| Occupation | Carpenter |
| Industry | House Builder |
| Class of Worker | OA |
| Income (1939) | 308 |
| Highest Grade | 8 |
| 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 Clarence Allen across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Allen (~0.92 confidence) and mother Annie Allen (~0.92 confidence) and father Jacob Allen (~0.92 confidence) and mother Ida Allen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Allen
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Annie Allen
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Jacob Allen
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Ida Allen
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Allen
Head · 1940 · age 35 · b. ~1905 · 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 — Jefferson-County, Illinois
Open full size
1940 US Federal Census — Jefferson-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00816-00124)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roy Birkhimer | 38 | Head | Labour | Illinois |
| 2 | Janit Birkhimer | 47 | Wife | Housewife | Illinois |
| 3 | Norman Birkhimer | 14 | Son | In School | Illinois |
| 4 | Hellen Birkhimer | 12 | Daughter | — | Illinois |
| 5 | Martha Birkhimer | 9 | Daughter | — | Illinois |
| 6 | Emma Birkhimer | 64 | Mother | — | Illinois |
| 7 | Ed Clair Birkhimer | 34 | Brother | — | Illinois |
| 8 | Clarence Oathout | 62 | Head | Operator | Indiana |
| 9 | Zettie Oathout | 56 | Wife | Housewife | Illinois |
| 10 | Lawrence Gerard | 57 | Head | Gardener | Illinois |
| 11 | Ida Gerard | 49 | Wife | Housewife | Illinois |
| 12 | Raymond Gerard | 23 | Son | Laborer | Illinois |
| 13 | John D. Smith | 77 | Head | — | Illinois |
| 14 | Sarah Jane Smith | 81 | Wife | Housewife | Illinois |
| 15 | Joseph E. Smith | 20 | Grandson | New Worker | Illinois |
| 16 | Virgil L. Johnston | 58 | Head | Retired Officer | Illinois |
| 17 | Ida May Johnston | 52 | Wife | Housewife | Kansas |
| 18 | Alletta Johnston | 17 | Daughter | In School | Texas |
| 19 | Rayburn Tamps | 29 | Head | Labour | Illinois |
| 20 | Leota Tamps | 28 | Wife | Housewife | Illinois |
| 21 | Donald Lee Tamps | 8 | Son | — | Illinois |
| 22 | Freddie Jean Tamps | 5 | Son | — | Illinois |
| 23 | Leslie Jane Tamps | 3 | Son | — | Illinois |
| 24 | Royal Story | 28 | Head | Teamster | Illinois |
| 25 | Bertha Story | 27 | Wife | Housewife | Illinois |
| 26 | Eula Jean Story | 1 | Daughter | — | Illinois |
| 27 | George Buchanan | 43 | Head | Labour | Missouri |
| 28 | Thelma Buchanan | 35 | Wife | Housewife | Missouri |
| 29 | George Jr. Buchanan | 18 | Son | Lab New Worker | Missouri |
| 30 | Charles R. Buchanan | 16 | Son | Laborer | Indiana |
| 31 | John P. Buchanan | 10 | Son | — | Indiana |
| 32 | Franklin Buchanan | 6 | Son | — | Illinois |
| 33 | Nellie Ann Buchanan | 2 | Daughter | — | Illinois |
| 34 | Clarence Allen THIS PERSON | 35 | Head | Carpenter | Illinois |
| 35 | Leopal Allen | 33 | Wife | Housewife | Illinois |
| 36 | Lois Jean Allen | 14 | Daughter | In School | Illinois |
| 37 | Norman Allen | 12 | Daughter | — | Illinois |
| 38 | Nwanita Allen | 9 | Son | — | Illinois |
| 39 | John Harshbarger | 49 | Head | Labour | Illinois |
| 40 | Taulu Harshbarger | 44 | Wife | Housewife | Missouri |
Pedigree Summary
Clarence
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)