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Robert Johnston — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pike-County, Mississippi
Our Model Tree links this Robert Johnston across the 1920, 1930 and 1940 US Censuses in Pike-County, Mississippi (XGBoost, ~Confirmed), with identified parents James & Mary — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pike-County, Mississippi |
| Surname | Johnston |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | McComb City |
| 1935 Residence (County) | Pike |
| Additional Details | |
| Occupation | Helper |
| Industry | Filling Station |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 750 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Helper |
| Township / Ward | Mccomb City |
| Est. Birth Year | ~1911 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Johnston | Head | — | 29 | ~1911 |
| Charlie Bates | Son | — | 11 | ~1929 |
| Annie Johnston | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Pike, Mississippi
Son, age 9
Pike, Mississippi · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Robert H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Pike, Mississippi
Son, age 19
Pike, Mississippi · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Pike-County, Mississippi
Head, age 29
Pike-County, Mississippi · implied b. ~1911 — 3 household members
| Surname | Johnston |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | McComb City |
| 1935 Residence (County) | Pike |
| Occupation | Helper |
| Industry | Filling Station |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 750 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Johnston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Johnston (~0.92 confidence) and mother Mary Johnston (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Johnston
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Mary Johnston
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Johnston
Head · 1940 · age 29 · b. ~1911 · Mississippi
★ 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 — Pike-County, Mississippi
Open full size
1940 US Federal Census — Pike-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02058-00597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bowlin, Hugh Dunnaway | 25 | Brother | Dry Room | Mississippi |
| 42 | Bowlin, Helen Dunnaway | 19 | Sister | — | Mississippi |
| 43 | Albert Jacobs | 44 | Head | Still Carpenter | Mississippi |
| 44 | Minnie Jacobs | 42 | Wife | — | Mississippi |
| 45 | Ruby Jacobs | 20 | Daughter | Saleslady | Mississippi |
| 46 | Gordon Wilkinson | 23 | Nephew | Carpenter | Mississippi |
| 47 | Thad H. Jacobs | 50 | Head | Truck Carpenter | Mississippi |
| 48 | Mattie Jacobs | 35 | Wife | — | Mississippi |
| 49 | Stewart Jacobs | 13 | Son | — | Mississippi |
| 50 | Dorothy Jean Jacobs | 10 | Daughter | — | Mississippi |
| 51 | Robert H. Johnston THIS PERSON | 29 | Head | Helper | Mississippi |
| 52 | Annie Johnston | 31 | Wife | Working | Mississippi |
| 53 | Charlie G. Bates | 11 | Son | — | Mississippi |
| 54 | — | None | — | — | — |
| 55 | Clara Mcdonald | 39 | Head | Seamstress | Mississippi |
| 56 | Sallie Mcdonald | 20 | Daughter | Saleslady | Mississippi |
| 57 | Johnnie Casey | 24 | Head | Still Carpenter | Alabama |
| 58 | Edna Casey | 17 | Wife | — | Mississippi |
| 59 | Sam Lowell Suggs | 46 | Head | Barber | Mississippi |
| 60 | Ruth Suggs | 39 | Wife | — | Mississippi |
| 61 | Eula Ruth Suggs | 18 | Daughter | Waitress | Mississippi |
| 62 | Thomas Suggs | 14 | Son | — | Mississippi |
| 63 | Mary Suggs | 11 | Daughter | — | Mississippi |
| 64 | William Suggs | 9 | Son | — | Arkansas |
| 65 | Betty Joe Suggs | 4 | Daughter | — | Mississippi |
| 66 | Clarence Core | 39 | Lodger | Laborer | Mississippi |
| 67 | Emerson Bates | 43 | Head | Laborer | Mississippi |
| 68 | Lilly Mae Bates | 26 | Wife | — | Mississippi |
| 69 | Heisand Simmons | 39 | Head | Truck Driver | Mississippi |
| 70 | Maggie Simmons | 34 | Wife | Spinner | Mississippi |
| 71 | Dorothy Simmons | 16 | Daughter | Helper | Mississippi |
| 72 | Jack Simmons | 5 | Son | — | Mississippi |
| 73 | Willie Davis | 46 | Head | Machinist | Louisiana |
| 74 | Maggie Davis | 42 | Wife | — | Mississippi |
| 75 | Lucille Davis | 24 | Daughter | Seamstress | Mississippi |
| 76 | Jessie May Davis | 21 | Daughter | Seamstress | Mississippi |
| 77 | Charlie Bullock | 59 | Head | Laborer | Mississippi |
| 78 | Minerva Bullock | 48 | Wife | Presser | Mississippi |
| 79 | George Bullock | 18 | Son | Laborer | Mississippi |
| 80 | Herman Bullock | 16 | Son | — | Mississippi |
Pedigree Summary
Robert
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)