HL
Helen Long — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Helen Long across the 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Female
Daughter
Born: Delaware
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Long |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1925 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Long | Daughter | — | 4 | ~1936 |
| Helen Long | Daughter | — | 15 | ~1925 |
| Magdalen Long | Spouse | — | 44 | ~1896 |
| John Long | Head | — | 57 | ~1883 |
| Leonard Long | Son | — | 6 | ~1934 |
| Loretta Long | Daughter | — | 8 | ~1932 |
| Paul Long | Son | — | 10 | ~1930 |
| Cecilia Long | Daughter | — | 13 | ~1927 |
| Raymond Long | Son | — | 9 | ~1931 |
| Margaret Long | Daughter | — | 18 | ~1922 |
Census Appearances
1930
New Castle, …
Daughter, age 7
New Castle, Delaware · implied b. ~1923 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Daughter, age 15
New-Castle-County, Delaware · implied b. ~1925 — 10 household members
| Surname | Long |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Helen Long across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Long
Daughter · 1940 · age 15 · b. ~1925 · Delaware
★ You are viewing this record
Sibling
Dorothy Long
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Long
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Long
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Long
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecilia Long
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Long
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Long
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
39 people indexed on this census page (nara:1940:m-t0627-00552-00184)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doreen E. Starrett | 1 | Granddaughter | — | Delaware |
| 2 | Edith Meanee | 40 | Daughter | Janitress | Delaware |
| 3 | Emil | 19 | Grandson | — | Delaware |
| 4 | Gertrude | 16 | Granddaughter | — | Delaware |
| 5 | John S. Jr. Berry | 33 | Head | Bookkeeper | Pennsylvania |
| 6 | Mary E. Berry | 34 | Wife | — | Delaware |
| 7 | John Richard Berry | 10 | Son | — | Delaware |
| 8 | James Berry | 8 | Son | — | Delaware |
| 9 | Anthony Schainski | 48 | Head | Molder | Poland |
| 10 | Helen Schainski | 47 | Wife | Cleaner | Poland |
| 11 | John Schainski | 19 | Son | Laborer | Delaware |
| 12 | Agnes Schainski | 15 | Daughter | — | Delaware |
| 13 | Joseph Schainski | 12 | Son | — | Delaware |
| 14 | Conrad Gawinski | 51 | Head | Car Repairman | Poland |
| 15 | Frances Gawinski | 49 | Wife | — | Poland |
| 16 | William Gawinski | 27 | Son | Helper Machinist | Delaware |
| 17 | Agnes Gawinski | 15 | Daughter | — | Delaware |
| 18 | Stanley Barczewski | 26 | Son-in-law | Butcher | Delaware |
| 19 | Mary Barczewski | 21 | Daughter | Grocery Clerk | Delaware |
| 20 | Thos J. Nowell | 29 | Head | Yard Master | Delaware |
| 21 | Elizabeth Nowell | 26 | Wife | — | Delaware |
| 22 | Robert E. Nowell | 4 | Son | — | Delaware |
| 23 | Mary Ann Nowell | 2 | Daughter | — | Delaware |
| 24 | John F. Long | 57 | Head | Glazer | Delaware |
| 25 | Magdalen Long | 44 | Wife | — | Delaware |
| 26 | Margaret Long | 18 | Daughter | Typist | Delaware |
| 27 | Helen Long THIS PERSON | 15 | Daughter | — | Delaware |
| 28 | Cecilia Long | 13 | Daughter | — | Delaware |
| 29 | Paul Long | 10 | Son | — | Delaware |
| 30 | Raymond Long | 9 | Son | — | Delaware |
| 31 | Loretta Long | 8 | Daughter | — | Delaware |
| 32 | Leonard Long | 6 | Son | — | Delaware |
| 33 | Dorothy Long | 4 | Daughter | — | Delaware |
| 34 | Taken By Census Worker | None | At Place of Employment | — | — |
| 35 | Charles Janicki | 33 | Head | Upholsterer | Delaware |
| 36 | Mary Janicki | 33 | Wife | — | New York |
| 37 | Matthew Janicki | 6 | Son | — | Delaware |
| 38 | Ronald Janicki | 4 | Son | — | Delaware |
| 39 | Theodora Janicki | 1 | 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)