JH
John Hancock — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dallas-County, Texas
Our Model Tree links this John Hancock across the 1920, 1930 and 1940 US Censuses in Dallas-County, Texas (XGBoost, ~Confirmed), with identified parents James & Anna — 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 | Dallas-County, Texas |
| Surname | Hancock |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Highland Park City |
| 1935 Residence (County) | Dallas |
| Additional Details | |
| Occupation | Executive Ass't |
| Industry | Oil Industry |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 700 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Executive Ass'T |
| Township / Ward | Highland Park City |
| 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 |
|---|---|---|---|---|
| J Hancock | Head | — | 50 | ~1890 |
| John Hancock | Son | — | 24 | ~1916 |
| Anna Hancock | Spouse | — | 53 | ~1887 |
| Ann Hancock | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Dallas, Texas
Son, age 3
Dallas, Texas · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hancock |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Tennessee |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Dallas, Texas
Son, age 14
Dallas, Texas · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hancock |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Dallas-County, Texas
Son, age 24
Dallas-County, Texas · implied b. ~1916 — 4 household members
| Surname | Hancock |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Highland Park City |
| 1935 Residence (County) | Dallas |
| Occupation | Executive Ass't |
| Industry | Oil Industry |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 700 |
| Highest Grade | C 3 |
| 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 Hancock across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Hancock (~0.92 confidence) and mother Anna Hancock (~0.92 confidence) and father J Hancock (~0.92 confidence) and father James Hancock (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Hancock
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Anna Hancock
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
J Hancock
b. ~1890
Source father
● Household
· direct · ~0.92
Father
James Hancock
b. ~1891
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Hancock
Son · 1940 · age 24 · b. ~1916 · Texas
★ You are viewing this record
Sibling
Ann Hancock
Sibling · 1940 · age 19
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 — Dallas-County, Texas
Open full size
1940 US Federal Census — Dallas-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04015-00127)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Allen Hamilton | 5 | Son | — | Texas |
| 42 | M K Reer | 24 | Head | House Man | Louisiana |
| 43 | Viola Reer | 23 | Wife | Maid | Louisiana |
| 44 | J B Cowden | 49 | Head | Oil Producer | Tennessee |
| 45 | Stan Cowden | 44 | Wife | — | Tennessee |
| 46 | Ada May Cowden | 17 | Daughter | — | Oklahoma |
| 47 | John Cowden | 14 | Son | — | Oklahoma |
| 48 | Reba Williams | 35 | Head | Cook | Texas |
| 49 | A C Singleton | 34 | Partner | Yard Man Chauffeur | Texas |
| 50 | Jack Mattison | 33 | Head | Cost Accountant | Louisiana |
| 51 | Marion Mattison | 32 | Wife | — | New York |
| 52 | Jack Jr Mattison | 7 | Son | — | California |
| 53 | Janet Hunt | 40 | Head | Maid | Texas |
| 54 | Bonnie Bourne | 50 | Head | — | Texas |
| 55 | Bonnie Alice Bourne | 14 | Daughter | — | Texas |
| 56 | Jack Jones | 32 | Head | Yard Man Chauffeur | Texas |
| 57 | Myrtle Jones | 24 | Wife | Maid | Texas |
| 58 | Ida M Looney | 59 | Head | Investor | New York |
| 59 | Line Left Blank By Mistake | None | — | — | — |
| 60 | J W Longmoor | 53 | Head | V-Pres Bank | Texas |
| 61 | Eudora Longmoor | 53 | Wife | — | Texas |
| 62 | Leola Johnson | 33 | Head | Maid | Texas |
| 63 | Frank H Garrott | 54 | Head | Attorney | Maryland |
| 64 | Suzanne Garrott | 47 | Wife | — | Colorado |
| 65 | Virginia L Garrott | 21 | Daughter | — | Texas |
| 66 | Patricia A Garrott | 15 | Daughter | — | Texas |
| 67 | Bob Garrott | 12 | Son | — | Texas |
| 68 | Ann Loucke | 26 | Head | Maid | Texas |
| 69 | Ray Skillern | 46 | Head | President | Texas |
| 70 | Arline Skillern | 44 | Wife | — | Texas |
| 71 | Nancy Skillern | 19 | Daughter | — | Texas |
| 72 | Jean Skillern | 11 | Daughter | — | Texas |
| 73 | Thomas Butler | 36 | Head | Yard Man & Chauffeur | Texas |
| 74 | Aletha Butler | 33 | Wife | Maid | Texas |
| 75 | J D Hancock | 50 | Head | Oil Opr | Texas |
| 76 | Anna Marie Hancock | 53 | Wife | — | Tennessee |
| 77 | John L Hancock THIS PERSON | 24 | Son | Executive Ass'T | Texas |
| 78 | Ann M Hancock | 19 | Daughter | — | Texas |
| 79 | Nancy Boyd | 29 | Head | Maid | Texas |
| 80 | J W Galonick | 54 | Head | — | Texas |
Pedigree Summary
John + 1 sibling
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)