WP
William Pratt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this William Pratt across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 4-person household.
Age 63
b. ~1877
Male
Head
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Pratt |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | R |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 520 |
| Highest Grade | No 4 |
| 1935 Residence | Delaware |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Laborer |
| Township / Ward | St Georges Hundred |
| Est. Birth Year | ~1877 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Pratt | Daughter | — | 20 | ~1920 |
| William Pratt | Head | — | 63 | ~1877 |
| James Pratt | Son | — | 20 | ~1920 |
| Anna Pratt | Spouse | — | 59 | ~1881 |
Census Appearances
1920
New Castle, …
Head, age 43
New Castle, Delaware · implied b. ~1877 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pratt |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Head, age 53
New Castle, Delaware · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Prutt |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 21 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Clerk |
| Industry | machine shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | $7000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Head, age 63
New-Castle-County, Delaware · implied b. ~1877 — 4 household members
| Surname | Pratt |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | R |
| 1935 Residence (County) | New Castle |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 520 |
| Highest Grade | No 4 |
| 1935 Residence | Delaware |
| 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 William Pratt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Pratt
Head · 1940 · age 63 · b. ~1877 · Delaware
★ 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 — 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-t0627-00546-00861)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William A. Hatton | 39 | Head | Caretaker | Pennsylvania |
| 2 | Marion C. Hatton | 61 | Wife | — | Delaware |
| 3 | Beatrice Perkins | 74 | Head | — | Hawaii |
| 4 | Alfred F. Atkinson | 12 | Boarder | — | Pennsylvania |
| 5 | Beatrice C. Atkinson | 16 | Daughter | — | Pennsylvania |
| 6 | Viola Lote | 26 | Servant | Servant | Delaware |
| 7 | Norman E. Collins | 27 | Head | Farmer | Delaware |
| 8 | Katie Collins | 24 | Wife | — | Delaware |
| 9 | Norman E. Collins | 2 | Son | — | Delaware |
| 10 | I. Frank Boyer | 67 | Head | Attendant | Delaware |
| 11 | Alice C. Boyer | 60 | Wife | — | Delaware |
| 12 | Mildred B. Coleman | 35 | Daughter | General Clerical Work | Delaware |
| 13 | Beverley Pleasonton | 39 | Head | Mechanic | Delaware |
| 14 | Laura C. Pleasonton | 33 | Wife | — | Pennsylvania |
| 15 | Beverly Pleasonton | 13 | Daughter | — | Maryland |
| 16 | Beverly J. Pleasonton | 10 | Son | — | Delaware |
| 17 | John R. Carpenter | 50 | Head | Farmer | Delaware |
| 18 | Frances Carpenter | 46 | Wife | — | Delaware |
| 19 | John R. Jr. Carpenter | 11 | Son | — | Delaware |
| 20 | James Butler | 40 | Boarder | Laborer | Maryland |
| 21 | Carrie Greaser | 58 | Head | — | Pennsylvania |
| 22 | Robert Alexander | 15 | Boarder | — | Pennsylvania |
| 23 | Nellie M. Vinyard | 56 | Head | — | Delaware |
| 24 | Martha Vinyard | 17 | Daughter | — | Panama |
| 25 | Herbert Wegener | 33 | Head | Laborer | Delaware |
| 26 | Helen Wegener | 26 | Wife | — | Delaware |
| 27 | Charles E. Blue | 67 | Head | Farmer | Virginia |
| 28 | Leela Blue | 56 | Wife | — | Delaware |
| 29 | Edward J. Price | 70 | Head | Farmer | Delaware |
| 30 | Goldie Price | 45 | Wife | Packer | Delaware |
| 31 | Margaret F. Price | 16 | Daughter | — | Delaware |
| 32 | William Pratt THIS PERSON | 63 | Head | Laborer | Delaware |
| 33 | Anna May Pratt | 59 | Wife | — | Maryland |
| 34 | James F. Pratt | 20 | Son | Laborer | Delaware |
| 35 | Elizabeth M. Pratt | 20 | Daughter | — | Pennsylvania |
| 36 | Ennoch Gentry | 55 | Head | Farmer | Delaware |
| 37 | Mary Gentry | 51 | Wife | — | Delaware |
| 38 | Hester Gentry | 23 | Son | Laborer | Delaware |
| 39 | Mary Gentry | 22 | Daughter | — | Delaware |
| 40 | Ruth Gentry | 20 | Daughter | — | Delaware |
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)