MJ
Maria Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Maria Johnson across the 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 5-person household.
Age 41
b. ~1899
Female
Spouse
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Johnson |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Industry | 5 |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1899 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Maria | Age | Birth yr |
|---|---|---|---|---|
| Edward Johnson | Head | — | 41 | ~1899 |
| Maria Johnson | Spouse | — | 41 | ~1899 |
| Edward Johnson | Son | — | 18 | ~1922 |
| Rose Johnson | Daughter | — | 19 | ~1921 |
| James Johnson | Son | — | 21 | ~1919 |
Census Appearances
1930
New Castle, …
Spouse, age 30
New Castle, Delaware · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 17 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Spouse, age 41
New-Castle-County, Delaware · implied b. ~1899 — 5 household members
| Surname | Johnson |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Industry | 5 |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 41 · b. ~1899 · Delaware
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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 — New-Castle-County, Delaware
Open full size
1940 US Federal Census — New-Castle-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00551-00349)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Prawn | 51 | Head | Sheet Metal Worker | Scotland |
| 2 | Mabel E. Prawn | 52 | Wife | — | Delaware |
| 3 | Morris Brodsky | 39 | Head | Salesman | Russia |
| 4 | Nettie Brodsky | 39 | Wife | Saleslady - Mgr. | Russia |
| 5 | Betty Brodsky | 18 | Daughter | Saleslady | Delaware |
| 6 | Esther Ann Brodsky | 14 | Daughter | — | Delaware |
| 7 | Diane Brodsky | 8 | Daughter | — | Delaware |
| 8 | Jack Brodsky | 4 | Son | — | Delaware |
| 9 | Daniel M. Zhaff | 46 | Head | Office Clerk | Pennsylvania |
| 10 | Martha J. Zhaff | 39 | Wife | — | Maryland |
| 11 | Mellan Zhaff | 14 | Son | — | Delaware |
| 12 | Sarah Merservey | 46 | Head | Dressmaker | Romania |
| 13 | Frances Merservey | 25 | Daughter | Bookkeeper | Delaware |
| 14 | Glenn E. Spicken | 55 | Head | Engineman | Pennsylvania |
| 15 | Laura Spicken | 55 | Wife | — | Maryland |
| 16 | Atlee Spicken | 30 | Son | Bartender | Maryland |
| 17 | Frederick Steven Schler | 41 | Head | Bridge Inspector | Maryland |
| 18 | Margaret H. Schler | 38 | Wife | Newspaper Reporter | Maryland |
| 19 | Maria L. Montgomery | 73 | Mother-in-law | — | Maryland |
| 20 | Maria Pollock | 35 | Servant | — | Russia |
| 21 | Howard Lund | 32 | Head | Paperhanger | Delaware |
| 22 | Anna Lund | 27 | Wife | — | Pennsylvania |
| 23 | Charles H. Greason | 56 | Head | Fireman | England |
| 24 | Jenny Greason | 57 | Wife | — | Pennsylvania |
| 25 | John L. Fitzgerald | 31 | Son | Trucker | Pennsylvania |
| 26 | Ray Stine | 22 | Lodger | Appr. Electrician | Ohio |
| 27 | Edward Johnson | 41 | Head | Butcher | Delaware |
| 28 | Maria Johnson THIS PERSON | 41 | Wife | — | Delaware |
| 29 | James Johnson | 21 | Son | — | Delaware |
| 30 | Rose C. Johnson | 19 | Daughter | Cashier | Delaware |
| 31 | Edward Johnson | 18 | Son | Store Clerk | Delaware |
| 32 | Edmund Walker | 46 | Head | Auto-Cabinet Maker | Delaware |
| 33 | Sophie Walker | 43 | Wife | — | Delaware |
| 34 | William Walker | 24 | Son | Drug Worker | Delaware |
| 35 | Leonard Wessells | 40 | Head | Credit Manager | Virginia |
| 36 | Myrtle Wessells | 44 | Wife | — | Delaware |
| 37 | Eugene Wessells | 18 | Son | Cooperative Student | Delaware |
| 38 | Meyer Glickoff | 70 | Head | — | Russia |
| 39 | Pauline Glickoff | 43 | Daughter | Saleslady | Russia |
| 40 | Henrietta Glickoff | 39 | Daughter | Saleslady | Russia |
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)