JL
John Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Shackelford-County, Texas
Our Model Tree links this John Lynch across the 1920, 1930 and 1940 US Censuses in Shackelford-County, Texas (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Shackelford-County, Texas |
| Surname | Lynch |
| Given Name | John D. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Shackelford |
| Additional Details | |
| Occupation | Pumper |
| Industry | Lease Wells |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Pumper |
| Township / Ward | Rural |
| Est. Birth Year | ~1916 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Cornelia Lynch | Daughter | — | 27 | ~1913 |
| John Lynch | Head | — | 61 | ~1879 |
| John Lynch | Son | — | 24 | ~1916 |
| Nancy Lynch | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Shackelford, Texas
Son, age 4
Shackelford, Texas · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Johnnie |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Shackelford, Texas
Son, age 15
Shackelford, Texas · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | John D Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Shackelford-County, Texas
Son, age 24
Shackelford-County, Texas · implied b. ~1916 — 4 household members
| Surname | Lynch |
| Given Name | John D. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Shackelford |
| Occupation | Pumper |
| Industry | Lease Wells |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 John Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Lynch (~0.92 confidence) and father John Lynch (~0.92 confidence) and mother Nancy Lynch (~0.92 confidence) and mother Ruby Lynch (~0.92 confidence) and mother Nancy Lynch (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Lynch
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Lynch
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Nancy Lynch
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Ruby Lynch
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Nancy Lynch
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lynch
Son · 1940 · age 24 · b. ~1916 · Texas
★ You are viewing this record
Sibling
Cornelia Lynch
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 — Shackelford-County, Texas
Open full size
1940 US Federal Census — Shackelford-County, Texas
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04135-00416)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucie D. Riley | 30 | Wife | — | Texas |
| 42 | Martha Lee Riley | 14 | Daughter | — | Texas |
| 43 | Ben J. Riley | 12 | Son | — | Texas |
| 44 | Sandra Louise Riley | 8 | Daughter | — | Texas |
| 45 | Claudie Dean Riley | 6 | Son | — | Texas |
| 46 | A. D. Lawrence | 44 | Head | Manager | Texas |
| 47 | Pearl A. Lawrence | 46 | Wife | — | Texas |
| 48 | Clarence Lawrence | 19 | Daughter | — | Texas |
| 49 | Lurell Lawrence | 17 | Son | — | Texas |
| 50 | Rayford Lawrence | 16 | Son | — | Texas |
| 51 | Albert Gray Lawrence | 14 | Son | — | Texas |
| 52 | Betsy Lee Lawrence | 12 | Daughter | — | Texas |
| 53 | Monroe Lawrence | 5 | Son | — | Texas |
| 54 | Geraldine Lawrence | 1 | Daughter | — | Texas |
| 55 | Gene Pickard | 43 | Head | Operator | Texas |
| 56 | Pauline A. Pickard | 26 | Wife | — | Texas |
| 57 | H. C. Pickard | 76 | Father | — | Texas |
| 58 | John D. Lynch | 61 | Head | Pumper | Texas |
| 59 | Nancy A. Lynch | 55 | Wife | — | Texas |
| 60 | Cornelia Lynch | 27 | Daughter | — | Texas |
| 61 | John D. Jr. Lynch THIS PERSON | 24 | Son | Pumper | Texas |
| 62 | J. L. Tabb | 48 | Head | Owner | Tennessee |
| 63 | Mary E. O. Tabb | 36 | Wife | — | Arkansas |
| 64 | Lewis M. Tabb | 16 | Son | — | Texas |
| 65 | Lester L. Tabb | 13 | Son | — | Texas |
| 66 | Luther Roy Tabb | 10 | Son | — | Texas |
| 67 | L. H. D. Tabb | 82 | Head | — | Tennessee |
| 68 | Sarah Tabb | 78 | Wife | — | Tennessee |
| 69 | L. H. D. Hammons | 50 | Head | Owner | Texas |
| 70 | Catherine Hammons | 39 | Wife | — | North Carolina |
| 71 | John Hammons | 3 | Son | — | Texas |
| 72 | Russell Williams | 21 | Head | Laborer | Texas |
| 73 | Ruth Williams | 18 | Wife | — | Texas |
| 74 | Herbert P. Humber | 39 | Head | Operator | Oklahoma |
| 75 | Leona Belle Humber | 31 | Wife | — | Texas |
| 76 | Tom L. Humber | 3 | Son | — | Texas |
| 77 | Richard J. Humber | 2 | Son | — | Texas |
| 78 | Lola Robbins | 25 | Lodger | Housekeeper | Texas |
| 79 | Error | None | — | — | — |
Pedigree Summary
John + 1 sibling
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)