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Daniel Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Daniel Johnson across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a son (b.~1911), then head of a 10-person household.
Age 29
b. ~1911
Male
Son
Born: Delaware
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Johnson |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Marshallton |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Occupation | Laborer |
| Industry | Butcher |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 182 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Laborer |
| Township / Ward | Marshallton |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Daniel | Age | Birth yr |
|---|---|---|---|---|
| Mabel Johnson | Daughter | — | 14 | ~1926 |
| Gertrude Johnson | Daughter | — | 15 | ~1925 |
| Hazel Johnson | Daughter | — | 17 | ~1923 |
| Florence Johnson | Daughter | — | 10 | ~1930 |
| Robert Johnson | Head | — | 71 | ~1869 |
| Daniel Johnson | Son | — | 29 | ~1911 |
| Paul Johnson | Son | — | 6 | ~1934 |
| Joseph Johnson | Son | — | 8 | ~1932 |
| James Johnson | Son | — | 27 | ~1913 |
| Wilhelmina Johnson | Spouse | — | 52 | ~1888 |
Census Appearances
1920
New Castle, …
Son, age 10
New Castle, Delaware · implied b. ~1910 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Daniel J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Delaware |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Son, age 20
New Castle, Delaware · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Delaware |
| Occupation | Laborer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Son, age 29
New-Castle-County, Delaware · implied b. ~1911 — 10 household members
| Surname | Johnson |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Marshallton |
| 1935 Residence (County) | New Castle |
| Occupation | Laborer |
| Industry | Butcher |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 182 |
| Highest Grade | No 4 |
| 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 Daniel Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Johnson (~0.92 confidence) and father Robert Johnson (~0.92 confidence) and father Robert Johnson (~0.92 confidence) and mother Wilhelmina Johnson (~0.92 confidence) and mother Filemina Johnson (~0.92 confidence) and mother Wilhelmina Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Johnson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Robert Johnson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Robert Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Wilhelmina Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Filemina Johnson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Wilhelmina Johnson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Daniel Johnson
Son · 1940 · age 29 · b. ~1911 · Delaware
★ You are viewing this record
Sibling
Joseph Johnson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Johnson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-00546-00067)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Franklin Temple | 18 | Head | New Worker | Delaware |
| 2 | Elizabeth Temple | 11 | Daughter | — | Delaware |
| 3 | Walter Temple | 9 | Son | — | Delaware |
| 4 | Sinclair George Rhone | 65 | Head | — | Delaware |
| 5 | Lela Rhone | 61 | Wife | — | Penna |
| 6 | Robert A. Lambert | 57 | Head | Laborer | Delaware |
| 7 | Jeanette Lambert | 51 | Wife | Housework | Delaware |
| 8 | William Lambert | 23 | Son | New Worker | Delaware |
| 9 | Francis Lambert | 19 | Son | Farm Laborer | Delaware |
| 10 | Georgiana Lambert | 17 | Daughter | — | Delaware |
| 11 | Eunice Lambert | 13 | Daughter | — | Delaware |
| 12 | Donald Lambert | 7 | Son | — | Delaware |
| 13 | Wm. J. Knotts | 39 | Head | Laborer | Maryland |
| 14 | Mary E. Knotts | 33 | Wife | — | Delaware |
| 15 | Louis L. Knotts | 22 | Son | Janitor | Delaware |
| 16 | Acromus Knotts | 21 | Son-in-law | Housework | Virginia |
| 17 | Andrew Miller | 86 | Head | — | Delaware |
| 18 | Robert Johnson | 71 | Head | — | Virginia |
| 19 | Wilhelmina Johnson | 52 | Wife | Housework | Delaware |
| 20 | Daniel Johnson THIS PERSON | 29 | Son | Laborer | Delaware |
| 21 | James Johnson | 27 | Son | Laborer | Delaware |
| 22 | Hazel Johnson | 17 | Daughter | Housework | Delaware |
| 23 | Gertrude Johnson | 15 | Daughter | Housework | Delaware |
| 24 | Mabel Johnson | 14 | Daughter | — | Delaware |
| 25 | Florence Johnson | 10 | Daughter | — | Delaware |
| 26 | Joseph Johnson | 8 | Son | — | Delaware |
| 27 | Paul Johnson | 6 | Son | — | Delaware |
| 28 | Philip A. Seal | 47 | Head | Tool Designer | Penna |
| 29 | Anna M. Seal | 57 | Wife | — | Delaware |
| 30 | Hilda Seal | 63 | Sister-in-law | Housework | Sweden |
| 31 | Melvin H. Creacre | 38 | Head | Egg Grader | Delaware |
| 32 | Edna R. Creacre | 39 | Wife | — | Penna |
| 33 | Theodore Spang | 39 | Head | Machinist | France |
| 34 | Anna A. Spang | 34 | Wife | — | Germany |
| 35 | Hans Nelson | 65 | Head | Leather Worker | Sweden |
| 36 | Ruth Nelson | 70 | Wife | — | Sweden |
| 37 | James Longstaff | 70 | Head | Farmer | England |
| 38 | Mary F. Longstaff | 63 | Wife | — | Delaware |
| 39 | Edith B. Longstaff | 30 | Daughter | Bookkeeper | Delaware |
| 40 | Frederick H. Seal | 56 | Head | Carpenter | Penna |
Pedigree Summary
Daniel + 7 siblings
Gen 1 · 6 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)