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John Buckley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this John Buckley across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 10-person household.
Age 44
b. ~1896
Male
Head
Born: Delaware
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Buckley |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Occupation | Machinist |
| Industry | Elec Hose Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 326 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Machinist |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1896 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mary Forrest | Daughter | — | 18 | ~1922 |
| Coleen Forrest | Daughter | — | 18 | ~1922 |
| Julia Forrest | Daughter | — | 17 | ~1923 |
| Ann Forrest | Daughter | — | 9 | ~1931 |
| John Buckley | Head | — | 44 | ~1896 |
| Geo Forrest | Other | — | 45 | ~1895 |
| Julia Buckley | Other | — | 74 | ~1866 |
| James Forrest | Son | — | 15 | ~1925 |
| Geo Forrest | Son | — | 20 | ~1920 |
| Mary Forrest | Spouse | — | 43 | ~1897 |
Census Appearances
1920
New Castle, …
Head, age 24
New Castle, Delaware · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buckley |
| Given Name | John F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 34
New Castle, Delaware · implied b. ~1896 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buckley |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Machinist |
| Industry | Electric House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 7500 |
| Radio Set | R |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Head, age 44
New-Castle-County, Delaware · implied b. ~1896 — 10 household members
| Surname | Buckley |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Occupation | Machinist |
| Industry | Elec Hose Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 326 |
| 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 John Buckley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Buckley
Head · 1940 · age 44 · b. ~1896 · 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-t0627-00551-00501)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Jacobs | 76 | Head | Watchman | Delaware |
| 2 | Elizabeth Glasgow | 26 | Daughter | Ad. Solicitor | Delaware |
| 3 | Helen M. Glasgow | 27 | Daughter | — | Delaware |
| 4 | Sarah E. Edwards | 87 | In-law | — | Delaware |
| 5 | Frank Brohammer | 69 | Head | Masseur | Germany |
| 6 | Wilhelmina Wilkins | 65 | Head | Room Keeper | Delaware |
| 7 | William Adams | 39 | Lodger | Inspector | Delaware |
| 8 | Clyer Frick | 73 | Lodger | — | Delaware |
| 9 | Sarah J. Krause | 74 | Head | — | Delaware |
| 10 | Arnell R. Krause | 49 | Son | Office Clerk | Delaware |
| 11 | Elizabeth Krause | 44 | In-law | — | New York |
| 12 | Elizabeth J. Krause | 16 | Daughter | — | Virginia |
| 13 | Chas. J. Swanson | 54 | Head | Car Work | Sweden |
| 14 | Anna L. Swanson | 50 | Wife | — | Delaware |
| 15 | Albert O. Jr. Grier | 37 | Head | Mech. Engineer | Delaware |
| 16 | Marion Grier | 33 | Wife | — | Delaware |
| 17 | Marion J. Grier | 11 | Daughter | — | Delaware |
| 18 | James Mcdonel | 23 | Head | Policeman | Delaware |
| 19 | Jeannette Mcdonel | 25 | Wife | Teacher | Delaware |
| 20 | Warren Catto | 22 | Head | Clerk In Store | Delaware |
| 21 | Elizabeth Catto | 19 | Wife | — | Delaware |
| 22 | Hamil Laub | 60 | Head | Merchant | Austria |
| 23 | Tillie Laub | 48 | Wife | — | Penna. |
| 24 | Felix Laub | 28 | Son | Salesman | Penna. |
| 25 | Cecelia Laub | 22 | Daughter | Typist | Penna. |
| 26 | Left Space | None | By | — | — |
| 27 | Roger M. Williams | 41 | Head | Ice Cream Maker | West Virginia |
| 28 | Elizabeth Williams | 37 | Wife | — | New York |
| 29 | Robert M. Williams | 12 | Son | — | Penna. |
| 30 | Richard Williams | 11 | Son | — | Maryland |
| 31 | John F. Buckley THIS PERSON | 44 | Head | Machinist | Delaware |
| 32 | Geo. J. Forrest | 45 | In-law | Sta. Fireman | Delaware |
| 33 | Mary J. Forrest | 43 | Wife | — | Delaware |
| 34 | Geo. F. Forrest | 20 | Son | Roofers Helper | Delaware |
| 35 | Mary B. Forrest | 18 | Daughter | Stenographer | Delaware |
| 36 | Coleen C. Forrest | 18 | Daughter | Secretary | Delaware |
| 37 | Julia A. Forrest | 17 | Daughter | — | Delaware |
| 38 | James F. Forrest | 15 | Son | — | Delaware |
| 39 | Ann F. Forrest | 9 | Daughter | — | Delaware |
| 40 | Julia M. Buckley | 74 | Mother | — | Ireland |
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)