MJ
Maria Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Maria Johnson across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Female
Spouse
Born: S. Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Johnson |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | S. Carolina |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. |
| Additional Details | |
| Industry | No |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birthplace (normalized) | s carolina |
| Township / Ward | Phila |
| Est. Birth Year | ~1905 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Maria | Age | Birth yr |
|---|---|---|---|---|
| Mamie Johnson | Daughter | — | 11 | ~1929 |
| Virginia Johnson | Daughter | — | 14 | ~1926 |
| Herbert Harris | Other | — | 29 | ~1911 |
| Maria Johnson | Spouse | — | 35 | ~1905 |
| John Johnson | Son | — | 16 | ~1924 |
| Daniel Johnson | Head | — | 40 | ~1900 |
Census Appearances
1930
Philadelphia, Pennsylvania
Other, age 25
Philadelphia, Pennsylvania · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | S. Carolina |
| Age at First Marriage | 17 |
| Father's Birthplace | S. Carolina |
| Mother's Birthplace | S. Carolina |
| Can Read/Write | Yes |
| Birthplace (normalized) | s carolina |
1940
Philadelphia-County, Pennsylvania
Spouse, age 35
Philadelphia-County, Pennsylvania · implied b. ~1905 — 6 household members
| Surname | Johnson |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | S. Carolina |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. |
| Industry | No |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birthplace (normalized) | s carolina |
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 Maria Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Maria Johnson
Spouse · 1940 · age 35 · b. ~1905 · 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
38 people indexed on this census page (nara:1940:m-t0627-03694-00012)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hill Julia Could | 65 | Wife | — | Georgia |
| 42 | Joseph D. Sims | 52 | Head | Clerk | N. Carolina |
| 43 | Jenny Sims | 42 | Wife | — | N. Carolina |
| 44 | Roger Ingram | 36 | Lodger | Presser | Virginia |
| 45 | Sarah Ingram | 29 | Lodger | Presser | Penna |
| 46 | Mary A. Polite | 30 | Head | — | Penna |
| 47 | Charlton Polite | 11 | Son | — | Penna |
| 48 | Evelyn Jameson | 41 | Lodger | Shirt Maker | Penna |
| 50 | Elizabeth Chavis | 39 | Head | Maid | N. Carolina |
| 51 | Harrison Denke | 49 | Lodger | Laborer | Georgia |
| 52 | Daniel Johnson | 40 | Head | Construction | S. Carolina |
| 53 | Maria Johnson THIS PERSON | 35 | Wife | — | S. Carolina |
| 54 | John Johnson | 16 | Son | — | Penna |
| 55 | Virginia Johnson | 14 | Daughter | — | Penna |
| 56 | Mamie Johnson | 11 | Daughter | — | Penna |
| 57 | Herbert Harris | 29 | Lodger | Chauffeur | Maryland |
| 58 | Joseph A. Dougherty | 69 | Head | Steam Fitter | Penna |
| 59 | Minnie Loyd | 38 | Head | — | N. Carolina |
| 60 | John Loyd | 10 | Son | — | N. Carolina |
| 61 | Lucy Thomas | 75 | Mother | — | N. Carolina |
| 62 | Ilie Kearney | 28 | Head | Roaster | N. Carolina |
| 63 | Jessie Kearney | 24 | Wife | — | N. Carolina |
| 64 | James Offerman | 56 | Head | Bartender | Belgium |
| 65 | Emma Offerman | 58 | Wife | — | Penna |
| 66 | James Feeley | 35 | Son | Distributor | Penna |
| 68 | Hattie Hall | 78 | Head | — | New York |
| 69 | Olivia Davis | 28 | Head | — | Maryland |
| 70 | John Davis | 34 | Husband | Laborer | Georgia |
| 71 | Marion Davis | 10 | Daughter | — | Penna |
| 72 | Aretia Davis | 8 | Daughter | — | Penna |
| 73 | Ernest Davis | 6 | Daughter | — | Penna |
| 74 | Evelyn Davis | 5 | Daughter | — | Penna |
| 75 | Julius L. Kotsch | 41 | Head | Fireman | Penna |
| 76 | Sophia E. Kotsch | 44 | Wife | Housekeeper | Penna |
| 77 | Daniel Carey | 70 | Head | Cleaning | Penna |
| 78 | Mamie Carey | 65 | Wife | — | W. Virginia |
| 79 | Isaiah King | 48 | Lodger | Gang Man | New Jersey |
| 80 | Benjamin Hector | 48 | Head | Smelting | British West Indies |
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)