MJ
Mattie Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mattie Johnson across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 10-person household.
Age 43
b. ~1897
Female
Spouse
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Johnson |
| Given Name | Mattie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | New-worker |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | New-Worker |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1897 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mattie | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Johnson | Daughter | — | 15 | ~1925 |
| Julius Johnson | Head | — | 52 | ~1888 |
| Russel Johnson | Son | — | 20 | ~1920 |
| James Johnson | Son | — | 10 | ~1930 |
| Herbert Johnson | Son | — | 13 | ~1927 |
| Alfred Johnson | Son | — | 17 | ~1923 |
| Charles Johnson | Son | — | 11 | ~1929 |
| Frank Johnson | Son | — | 5 | ~1935 |
| Walter Johnson | Son | — | 24 | ~1916 |
| Mattie Johnson | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Philadelphia, Pennsylvania
Other, age 33
Philadelphia, Pennsylvania · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mattie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 28 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Maid |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Philadelphia-County, Pennsylvania
Spouse, age 43
Philadelphia-County, Pennsylvania · implied b. ~1897 — 10 household members
| Surname | Johnson |
| Given Name | Mattie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | New-worker |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 43 · b. ~1897 · Pennsylvania
★ 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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03729-00079)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henrietta Wilson | 60 | Head | Housework | Delaware |
| 42 | Agnes Smith | 34 | Daughter | Laundress | Penna |
| 43 | Doris Smith | 20 | Daughter | Seamstress | Penna |
| 44 | Raymond Smith | 13 | Son | New-Worker | Penna |
| 45 | Anna Thomas | 42 | Head | Housework | South Carolina |
| 46 | Candaza Thomas | 20 | Son | Stevedore | South Carolina |
| 47 | Katie Thomas | 17 | Daughter | Cook | Penna |
| 48 | Mack Smith | 32 | Head | Cook | Penna |
| 49 | Josephine Smith | 28 | Wife | New-Worker | Penna |
| 50 | John Grant | 29 | Head | Proprietor | Georgia |
| 51 | Ellie Grant | 28 | Wife | New Worker | Georgia |
| 52 | Charles Green | 46 | Head | Laborer | North Carolina |
| 53 | Mary Green | 44 | Wife | Housework | North Carolina |
| 54 | Mary Jones | 29 | Head | Housework | South Carolina |
| 55 | Clarence Jackson | 24 | Head | Laborer | Virginia |
| 56 | Vinnie Jackson | 24 | Wife | Housework | North Carolina |
| 57 | Ennis Jackson | 7 | Daughter | — | Virginia |
| 58 | Zelma Jackson | 5 | Daughter | — | Virginia |
| 59 | Elizabeth Jackson | 3 | Daughter | — | Penna |
| 61 | Julius Johnson | 52 | Head | Paint Maker | Virginia |
| 62 | Mattie Johnson THIS PERSON | 43 | Wife | New-Worker | Virginia |
| 63 | Walter Johnson | 24 | Son | New-Worker | Virginia |
| 64 | Russel Johnson | 20 | Son | Orderly | Virginia |
| 65 | Alfred Johnson | 17 | Son | New-Worker | Virginia |
| 66 | Elizabeth Johnson | 15 | Daughter | New-Worker | Virginia |
| 67 | Herbert Johnson | 13 | Son | — | Virginia |
| 68 | Charles Johnson | 11 | Son | — | Penna |
| 69 | James Johnson | 10 | Son | — | Penna |
| 70 | Frank Johnson | 5 | Son | — | Penna |
| 71 | Lucille Monroe | 26 | Head | House-Work | Alabama |
| 72 | Johnny Monroe | 5 | Son | — | Penna |
| 73 | Jesse Brown | 55 | Head | Janitor | Penna |
| 74 | Bertha Brown | 55 | Wife | New-Worker | Virginia |
| 75 | Jesse Brown | 20 | Son | New-Worker | Penna |
| 76 | Bertha Brown | 19 | Daughter | New-Worker | Penna |
| 77 | Hope Brown | 17 | Daughter | Driver | Virginia |
| 78 | Arabella Brown | 15 | Daughter | New-Worker | Penna |
| 79 | Charles Brown | 12 | Son | — | Penna |
| 80 | Mother Amy | None | F | Pvt. Family | — |
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)