RJ
Robert Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lauderdale-County, Alabama
Our Model Tree links this Robert Jones across the 1920, 1930 and 1940 US Censuses in Lauderdale-County, Alabama (XGBoost, ~Confirmed), with identified parents Houston & Mammie — first a son (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lauderdale-County, Alabama |
| Surname | Jones |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 11 Cloverdale Beat |
| 1935 Residence (County) | Lauderdale |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 180 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Farm Laborer |
| Township / Ward | Precinct 11 Cloverdale Beat |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Glydis Jones | Daughter | — | 16 | ~1924 |
| Lona Jones | Daughter | — | 19 | ~1921 |
| Houston Jones | Head | — | 51 | ~1889 |
| Ralph Jones | Son | — | 9 | ~1931 |
| Robert Jones | Son | — | 23 | ~1917 |
| Hubert Jones | Son | — | 21 | ~1919 |
| James Jones | Son | — | 11 | ~1929 |
| Mammie Jones | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Lauderdale, Alabama
Son, age 3
Lauderdale, Alabama · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Lauderdale, Alabama
Son, age 13
Lauderdale, Alabama · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Lauderdale-County, Alabama
Son, age 23
Lauderdale-County, Alabama · implied b. ~1917 — 8 household members
| Surname | Jones |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 11 Cloverdale Beat |
| 1935 Residence (County) | Lauderdale |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 180 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Robert Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Houston Jones (~0.92 confidence) and mother Mammie Jones (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Houston Jones
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Mammie Jones
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Jones
Son · 1940 · age 23 · b. ~1917 · Alabama
★ You are viewing this record
Sibling
Lona Jones
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Jones
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hubert Jones
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jones
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glydis Jones
Sibling · 1940 · age 16
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 — Lauderdale-County, Alabama
Open full size
1940 US Federal Census — Lauderdale-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00050-00552)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elmer D. Griscom | 26 | Head | Farmer | Alabama |
| 42 | Sonia Griscom | 24 | Wife | — | Alabama |
| 43 | Ethel Griscom | 8 | Daughter | — | Alabama |
| 44 | Ruth Griscom | 3 | Daughter | — | Alabama |
| 45 | Thomas Griscom | 1 | Son | — | Alabama |
| 46 | Martha (Mrs) Mcfall | 73 | Head | — | Alabama |
| 47 | Lincoln Hinton | 18 | Lodger | Laborer | Alabama |
| 48 | Robert D. Haupel | 47 | Head | Farmer | Alabama |
| 49 | Ollie Haupel | 30 | Wife | — | Alabama |
| 50 | Mildred Ann Haupel | 5 | Daughter | — | Alabama |
| 51 | James M. Cobb | 12 | Stepson | — | Alabama |
| 52 | Thelma Lawson | 18 | Sister Law | — | Alabama |
| 53 | Houston Jones | 51 | Head | Farmer | Alabama |
| 54 | Mammie D. Jones | 46 | Wife | — | Alabama |
| 55 | Robert Jones THIS PERSON | 23 | Son | Farm Laborer | Alabama |
| 56 | Hubert Jones | 21 | Son | Farm Laborer | Alabama |
| 57 | Lona Jones | 19 | Daughter | — | Alabama |
| 58 | Glydis Jones | 16 | Daughter | — | Alabama |
| 59 | James Jones | 11 | Son | — | Alabama |
| 60 | Ralph Jones | 9 | Son | — | Alabama |
| 61 | Hulen D. Whitten | 50 | Head | Farmer | Alabama |
| 62 | Annie Ruth Whitten | 18 | Daughter | — | Alabama |
| 63 | Ruby Whitten | 15 | Daughter | — | Alabama |
| 64 | Ermon D. Williams | 25 | Head | Farmer | Alabama |
| 65 | Pauline Williams | 23 | Wife | — | Tennessee |
| 66 | Virginia Williams | 5 | Daughter | — | Alabama |
| 67 | Lucianne Williams | 2 | Daughter | — | Alabama |
| 68 | Ella Williams | 54 | Mother | — | Alabama |
| 69 | Gilbert Gilbert | 26 | Brother | 20 | Alabama |
| 70 | Willie Dean Gilbert | 22 | Sister | — | Alabama |
| 71 | Floyd Montgomery | 40 | Head | Farmer | Tennessee |
| 72 | Flora Montgomery | 36 | Wife | — | Tennessee |
| 73 | Pauline Montgomery | 19 | Daughter | — | Alabama |
| 74 | Vernon Montgomery | 16 | Son | On Farm | Alabama |
| 75 | Juanita Montgomery | 10 | Daughter | — | Alabama |
| 76 | Jean Montgomery | 4 | Son | — | Alabama |
| 77 | Tom Fox | 40 | Head | Farmer | Alabama |
| 78 | Ethel Fox | 37 | Wife | — | Tennessee |
| 79 | J. T. Fox | 14 | Son | — | Alabama |
| 80 | Annie Ruth Fox | 8 | Daughter | — | Alabama |
Pedigree Summary
Robert + 5 siblings
Gen 1 · 2 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)