HT
Helen Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Helen Thompson across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed), with identified parents Lula & Elwood — first a daughter (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Thompson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Occupation | Millinery Co |
| Industry | PW |
| Class of Worker | 650 |
| Highest Grade | Hs 3 |
| 1935 Residence | 40 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Millinery Co |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1914 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Thompson | Daughter | — | 26 | ~1914 |
| Ellwood Thompson | Head | — | 56 | ~1884 |
| Frederick Thompson | Son | — | 30 | ~1910 |
| Lula Thompson | Spouse | — | 62 | ~1878 |
Census Appearances
1920
New Castle, …
Daughter, age 6
New Castle, Delaware · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Helen L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Delaware |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
New Castle, …
Daughter, age 16
New Castle, Delaware · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
New-Castle-County, Delaware
Daughter, age 26
New-Castle-County, Delaware · implied b. ~1914 — 4 household members
| Surname | Thompson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Occupation | Millinery Co |
| Industry | PW |
| Class of Worker | 650 |
| Highest Grade | Hs 3 |
| 1935 Residence | 40 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Lula Thompson (~0.92 confidence) and father Elwood Thompson (~0.92 confidence) and mother Lula Thompson (~0.92 confidence) and father Ellwood Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Lula Thompson
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Elwood Thompson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Lula Thompson
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Ellwood Thompson
b. ~1884
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Thompson
Daughter · 1940 · age 26 · b. ~1914 · Delaware
★ You are viewing this record
Sibling
Frederick Thompson
Sibling · 1940 · age 30
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-t0627-00549-00390)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Hall | 39 | Wife | — | Del |
| 2 | John Fletcher | 25 | Lodger | Shipyard | Del |
| 3 | Emma Fletcher | 22 | Lodger | — | Phila |
| 4 | Lee Fletcher | 0 | Son | — | Del |
| 5 | Ellwood Thompson | 56 | Head | — | Maryland |
| 6 | Lula Thompson | 62 | Wife | — | Dover Del |
| 7 | Frederick Thompson | 30 | Son | — | Del |
| 8 | Helen Thompson THIS PERSON | 26 | Daughter | Millinery Co | Maryland |
| 9 | Joseph Turadowski | 52 | Head | — | Poland |
| 10 | Mary Turadowski | 47 | Wife | — | Poland |
| 11 | Stephen Turadowski | 24 | Son | Marine Terminal | Del |
| 12 | Alice Turadowski | 21 | Daughter | Zepkis Co | Del |
| 13 | Lucy Turadowski | 19 | Daughter | Miller Bros | Del |
| 14 | Josephine Turadowski | 17 | Daughter | — | Del |
| 15 | Stanley Turadowski | 14 | Son | — | Del |
| 16 | Blanche Turadowski | 25 | Daughter | — | Del |
| 17 | John Turadowski | 4 | Son | — | Del |
| 18 | Donald Smith | 39 | Head | — | Penna |
| 19 | Della Smith | 27 | Wife | — | Del |
| 20 | Mary Smith | 11 | Daughter | — | Del |
| 21 | Marie Ford | 44 | Mother | — | Del |
| 22 | Joseph Ford | 36 | Brother | — | Del |
| 23 | Maleta Bowen | 57 | Head | — | Penna |
| 24 | Linus Bowen | 38 | Son | Leather Co | Mass |
| 25 | Samuel Cohen | 64 | Lodger | — | Poland |
| 26 | Raymond Jones | 54 | Head | — | Penna |
| 27 | Catherine Jones | 52 | Wife | — | Maryland |
| 28 | Henry Boyer | 57 | Head | — | Maryland |
| 29 | Lillian Boyer | 55 | Wife | — | Balt Md |
| 30 | Augusta Watkins | 32 | Head | — | Del |
| 31 | Jean Watkins | 15 | Daughter | — | Del |
| 32 | John Watkins | 11 | Son | — | Del |
| 33 | Robert Watkins | 9 | Son | — | Del |
| 34 | Sylvia Watkins | 5 | Daughter | — | Del |
| 35 | Richard Matthews | 34 | Head | — | Maryland |
| 36 | Madeline Matthews | 34 | Wife | — | Maryland |
| 37 | Richard Matthews | 13 | Son | — | Del |
| 38 | Cathaline Matthews | 11 | Daughter | — | Del |
| 39 | Clydas Evans | 11 | Daughter | — | Del |
| 40 | Hortense Priest | 5 | Daughter | — | Del |
Related Census Records
Pedigree Summary
Helen + 1 sibling
Gen 1 · 4 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)