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George Gardner — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this George Gardner across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Robert — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Gardner |
| Given Name | George P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| Additional Details | |
| Occupation | Salesman |
| Industry | Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 274 |
| Highest Grade | C 2 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Springfield |
| Est. Birth Year | ~1907 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| Ann Gardner | Daughter | — | 5 | ~1935 |
| George Gardner | Head | — | 33 | ~1907 |
| John Gardner | Son | — | 4 | ~1936 |
| Dorothy Gardner | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Sangamon, Illinois
Son, age 13
Sangamon, Illinois · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | George P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Sangamon, Illinois
Son, age 23
Sangamon, Illinois · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | George C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Filing Clerk |
| Industry | State Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Head, age 33
Sangamon-County, Illinois · implied b. ~1907 — 4 household members
| Surname | Gardner |
| Given Name | George P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| Occupation | Salesman |
| Industry | Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 274 |
| Highest Grade | C 2 |
| 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 George Gardner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Gardner (~0.92 confidence) and father Robert Gardner (~0.92 confidence) and mother Georgiana Gardner (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Gardner
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Robert Gardner
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Georgiana Gardner
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Gardner
Head · 1940 · age 33 · b. ~1907 · 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-t0627-00887-01021)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara Ann Robison | 10 | Daughter | — | Illinois |
| 2 | James Robison | 6 | Son | — | Illinois |
| 3 | Naoma Benjamin | 20 | Maid | Maid | Illinois |
| 4 | Clyde W. Helm | 43 | Head | Salesman | Michigan |
| 5 | Irene Helm | 40 | Wife | — | Michigan |
| 6 | Richard L. Helm | 18 | Son | — | Michigan |
| 7 | Milton M. Brubaker | 44 | Head | Manager | Illinois |
| 8 | Edith K. Brubaker | 39 | Wife | — | Illinois |
| 9 | Robert Brubaker | 12 | Son | — | Illinois |
| 10 | Carol Brubaker | 5 | Daughter | — | Illinois |
| 11 | Robert Allan Stephens | 61 | Head | Lawyer | Illinois |
| 12 | Helen P. Stephens | 61 | Wife | — | Illinois |
| 13 | Page P. Stephens | 30 | Son | — | Illinois |
| 14 | Pearl Greene | 41 | Maid | Maid | Illinois |
| 15 | George P. Gardner THIS PERSON | 33 | Head | Salesman | Illinois |
| 16 | Dorothy M. Gardner | 32 | Wife | — | Illinois |
| 17 | Ann Gardner | 5 | Daughter | — | Illinois |
| 18 | John Henry Gardner | 4 | Son | — | Illinois |
| 19 | Robert L. Curry | 38 | Head | Truck Driver | Kentucky |
| 20 | Arline C. Curry | 35 | Wife | — | Illinois |
| 21 | Eleanor C. Curry | 13 | Daughter | — | Illinois |
| 22 | Shirley Mae Curry | 11 | Daughter | — | Illinois |
| 23 | Margaret L. Curry | 7 | Daughter | — | Illinois |
| 24 | Elbert D. Jr. Smith | 38 | Head | Special Agent | Illinois |
| 25 | Laura K. Smith | 37 | Wife | — | Illinois |
| 26 | Patricia Ann Smith | 12 | Daughter | — | Illinois |
| 27 | Elbert D. Iii Smith | 11 | Son | — | Illinois |
| 28 | Zelma J. Hills | 66 | Head | Superintendent | Pennsylvania |
| 29 | Zelma Hills | 56 | Wife | — | Illinois |
| 30 | Richard G. Stephens | 47 | Head | Auditor | Illinois |
| 31 | Catherine R. Stephens | 47 | Wife | — | Illinois |
| 32 | Henry T. Lauer | 46 | Head | Salesman | Illinois |
| 33 | Olive A. Lauer | 39 | Wife | Stenographer | Illinois |
| 34 | Amos M. Mcdonald | 66 | Head | Owner | Illinois |
| 35 | Nelle L. Mcdonald | 62 | Wife | — | Illinois |
| 36 | Howard H. Wapper | 38 | Head | Accts. Recv. Dept. | Illinois |
| 37 | Mabel C. Wapper | 35 | Wife | — | Illinois |
| 38 | Hope Carol Wapper | 10 | Daughter | — | Illinois |
| 39 | Douglas Wapper | 6 | Son | — | Illinois |
| 40 | Edward H. Maher | 28 | Head | Examiner | Illinois |
Pedigree Summary
George
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)