MJ
Mattie Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · East-Baton-Rouge-County, Louisiana
Our Model Tree links this Mattie Johnson across the 1930 and 1940 US Censuses in East-Baton-Rouge-County, Louisiana (XGBoost, ~Confirmed) — first a spouse (b.~1881), then head of a 13-person household.
Age 59
b. ~1881
Female
Spouse
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | East-Baton-Rouge-County, Louisiana |
| Surname | Johnson |
| Given Name | Mattie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 9 |
| 1935 Residence (County) | East Baton Rouge |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 9 |
| Est. Birth Year | ~1881 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mattie | Age | Birth yr |
|---|---|---|---|---|
| Hazel Johnson | Daughter | — | 21 | ~1919 |
| Inez Johnson | Daughter | — | 17 | ~1923 |
| Bessie Johnson | Daughter | — | 23 | ~1917 |
| Jenkins Johnson | Head | — | 56 | ~1884 |
| Ruth Johnson | Other | — | 20 | ~1920 |
| Henry Johnson | Other | — | 1 | ~1939 |
| Simon Hammer | Other | — | 50 | ~1890 |
| Joyce Johnson | Other | — | 1 | ~1939 |
| Matthew Johnson | Son | — | 19 | ~1921 |
| Henry Johnson | Son | — | 29 | ~1911 |
| Israel Johnson | Son | — | 24 | ~1916 |
| Isaac Johnson | Son | — | 23 | ~1917 |
| Mattie Johnson | Spouse | — | 59 | ~1881 |
Census Appearances
1930
East Baton …
Other, age 47
East Baton Rouge, Louisiana · implied b. ~1883 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mallie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 20 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
East-Baton-Rouge-County, Louisiana
Spouse, age 59
East-Baton-Rouge-County, Louisiana · implied b. ~1881 — 13 household members
| Surname | Johnson |
| Given Name | Mattie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 9 |
| 1935 Residence (County) | East Baton Rouge |
| Class of Worker | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Mattie Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mattie Johnson
Spouse · 1940 · age 59 · b. ~1881 · Louisiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — East-Baton-Rouge-County, Louisiana
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1940 US Federal Census — East-Baton-Rouge-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01397-00405)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William S. Parker | 45 | Head | P | Louisiana |
| 42 | Rachel Parker | 31 | Wife | — | Louisiana |
| 43 | Alfred Parker | 11 | Son | — | Louisiana |
| 44 | William Bell | 55 | Head | General Labor | Louisiana |
| 45 | Alice Bell | 45 | Wife | — | Louisiana |
| 46 | Thomas Bell | 23 | Son | Farm Labor | Louisiana |
| 47 | William Johnson | 18 | Grandson | Farm Labor | Louisiana |
| 48 | Philip Hogan | 10 | Son | — | Louisiana |
| 49 | Cavin Smith | 70 | Head | Plumer | Louisiana |
| 50 | Cany Smith | 36 | Wife | — | Louisiana |
| 51 | Samuel Watkins | 35 | Head | General Labor | Louisiana |
| 52 | Bell Watkins | 42 | Wife | — | Louisiana |
| 53 | Earnestine Sterling | 25 | Head | — | Louisiana |
| 54 | Ida Doty | 30 | Head | Servant | Louisiana |
| 55 | William Doty | 16 | Son | — | Louisiana |
| 56 | Harriett Fields | 51 | Head | Servant | Louisiana |
| 57 | Jenkins Johnson | 56 | Head | Farmer | Louisiana |
| 58 | Mattie Johnson THIS PERSON | 59 | Wife | — | Louisiana |
| 59 | Henry Johnson | 29 | Son | Farm Labor | Louisiana |
| 60 | Israel Johnson | 24 | Son | General Labor | Louisiana |
| 61 | Bessie Johnson | 23 | Daughter | Servant | Louisiana |
| 62 | Hazel Johnson | 21 | Daughter | Servant | Louisiana |
| 63 | Matthew Johnson | 19 | Son | Farm Labor | Louisiana |
| 64 | Inez Johnson | 17 | Daughter | — | Louisiana |
| 65 | Isaac Johnson | 23 | Son | — | Louisiana |
| 66 | Ruth Johnson | 20 | Daughter-in-law | — | Louisiana |
| 67 | Henry Jr. Johnson | 1 | Grandson | — | Louisiana |
| 68 | Joyce Johnson | 1 | Granddaughter | — | Louisiana |
| 69 | Simon Hammer | 50 | Brother-in-law | Farm Laborer | Louisiana |
| 70 | Danny Hayes | 79 | Head | Farm Laborer | Louisiana |
| 71 | Thomas Hayes | 43 | Son | General Labor | Louisiana |
| 72 | Edward Hayes | 51 | Head | Farming | Louisiana |
| 73 | Bertha Hayes | 40 | Wife | — | Louisiana |
| 74 | Robert Hayes | 17 | Son | — | Louisiana |
| 75 | Elton Hayes | 13 | Son | — | Louisiana |
| 76 | Beatrice Hayes | 11 | Daughter | — | Louisiana |
| 77 | Yellen Hayes | 10 | Daughter | — | Louisiana |
| 78 | Flower Hayes | 8 | Daughter | — | Louisiana |
| 79 | Lovie Hayes | 4 | Daughter | — | Louisiana |
| 80 | Leroy Hayes | 2 | Son | — | Louisiana |
Related Census Records
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)