HL
Harry Long — 1940 US Census Record
Model Tree available1940 United States Federal Census · Greene-County, Illinois
Our Model Tree links this Harry Long across the 1920, 1930 and 1940 US Censuses in Greene-County, Illinois (XGBoost, ~Confirmed), with identified parents Walter & Augusta — first a son (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Illinois |
| Surname | Long |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockbridge Twp |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Highest Grade | No 10 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Rockbridge Twp |
| Est. Birth Year | ~1909 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Long | Son | — | 31 | ~1909 |
| Sarepta Long | Head | — | 57 | ~1883 |
| Vena Long | Daughter | — | 27 | ~1913 |
| Goldia Long | Daughter | — | 34 | ~1906 |
Census Appearances
1920
Greene, Illinois
Son, age 11
Greene, Illinois · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Greene, Illinois
Son, age 21
Greene, Illinois · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Greene-County, Illinois
Son, age 31
Greene-County, Illinois · implied b. ~1909 — 4 household members
| Surname | Long |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockbridge Twp |
| 1935 Residence (County) | Greene |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Highest Grade | No 10 |
| 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 Harry Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Long (~0.92 confidence) and mother Augusta Long (~0.92 confidence) and mother Serepta Long (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Long
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Augusta Long
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Serepta Long
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Long
Son · 1940 · age 31 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
Goldia Long
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vena Long
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Greene-County, Illinois
Open full size
1940 US Federal Census — Greene-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00808-00280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Dalton | 36 | Head | Farmer | Illinois |
| 2 | Kathryn Dalton | 37 | Wife | — | Illinois |
| 3 | James Dalton | 12 | Son | — | Illinois |
| 4 | Andrew Dalton | 39 | Head | Farmer | Illinois |
| 5 | Julia Dalton | 32 | Wife | — | Illinois |
| 6 | Robert Tucker | 54 | Head | Farmer | Illinois |
| 7 | Mamie Tucker | 53 | Wife | — | Illinois |
| 8 | Maxine Britton | 26 | — | — | Arkansas |
| 9 | John Weber | 64 | Head | Farmer | Illinois |
| 10 | Eliza Weber | 64 | Wife | — | Illinois |
| 11 | Margaret Weber | 25 | Daughter | — | Illinois |
| 12 | Leland Weber | 22 | Son | — | Illinois |
| 13 | George Weber | 21 | Son | — | Illinois |
| 14 | Louis Becker | 52 | Head | Farmer | Illinois |
| 15 | Adelaide Becker | 40 | Wife | — | Illinois |
| 16 | Evelyn Becker | 19 | Daughter | — | Illinois |
| 17 | Melvin Becker | 17 | Son | — | Illinois |
| 18 | Mary L. Becker | 13 | Daughter | — | Illinois |
| 19 | Marlene Becker | 12 | Daughter | — | Illinois |
| 20 | Helen Becker | 7 | Daughter | — | Illinois |
| 21 | Robert Becker | 1 | Son | — | Illinois |
| 22 | Charles Becker | 0 | Son | — | Illinois |
| 23 | Phillip Young | 56 | Head | Farmer | Illinois |
| 24 | Stella Young | 49 | Wife | — | Illinois |
| 25 | Phillip Jr. Young | 19 | Son | — | Illinois |
| 26 | Edwin Young | 16 | Son | — | Illinois |
| 27 | Harold Young | 13 | Son | — | Illinois |
| 28 | Lola Lee Young | 10 | Daughter | — | Illinois |
| 29 | Betty Young | 7 | Daughter | — | Illinois |
| 30 | Leo Darr | 45 | Head | Farmer | Illinois |
| 31 | Rachel Darr | 43 | Wife | — | Illinois |
| 32 | Raymond Thiel | 43 | Head | Farmer | Illinois |
| 33 | Ada Thiel | 43 | Wife | — | Illinois |
| 34 | Ornan Thiel | 12 | Son | — | Illinois |
| 35 | Betty Thiel | 7 | Daughter | — | Illinois |
| 36 | Susan Reins | 79 | Mother-in-law | — | Illinois |
| 37 | Sarepta Long | 57 | Head | — | Illinois |
| 38 | Goldia Long | 34 | Daughter | — | Illinois |
| 39 | Harry Long THIS PERSON | 31 | Son | Farmer | Illinois |
| 40 | Vena Long | 27 | Daughter | — | Illinois |
Pedigree Summary
Harry + 2 siblings
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)