HL
Helen Lee — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Helen Lee across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1905), then head of a 11-person household.
Age 35
b. ~1905
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Lee |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Yeadon |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Teacher |
| Industry | Elementary School |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 2200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Teacher |
| Township / Ward | Yeadon |
| Est. Birth Year | ~1905 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Leo Costantini | Head | — | 42 | ~1898 |
| Elaine Pascetta | Daughter | — | 3 | ~1937 |
| Libia Pascetta | Daughter | — | 5 | ~1935 |
| Philip Costantini | Son | — | 12 | ~1928 |
| Daniel Costantini | Son | — | 9 | ~1931 |
| Norma Costantini | Daughter | — | 18 | ~1922 |
| Esther Costantini | Spouse | — | 39 | ~1901 |
| Helen Lee | Daughter | — | 35 | ~1905 |
| Clara Bellows | Other | — | 70 | ~1870 |
| Josephine Pascetta | Daughter | — | 10 | ~1930 |
| Raymond Costantini | Son | — | 15 | ~1925 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 25
Philadelphia, Pennsylvania · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Daughter, age 35
Delaware-County, Pennsylvania · implied b. ~1905 — 11 household members
| Surname | Lee |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Yeadon |
| 1935 Residence (County) | Delaware |
| Occupation | Teacher |
| Industry | Elementary School |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 2200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Lee across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Lee
Daughter · 1940 · age 35 · b. ~1905 · Pennsylvania
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Sibling
Daniel Costantini
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Costantini
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Costantini
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Libia Pascetta
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Pascetta
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Costantini
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elaine Pascetta
Sibling · 1940 · age 3
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03498-00815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur D. Kempf | 35 | Head | Engineering | Pennsylvania |
| 2 | Grace B. Kempf | 29 | Wife | Draftsman | Pennsylvania |
| 3 | Elizabeth Bailie | 54 | Mother-in-law | Seamstress | Pennsylvania |
| 4 | Charles E. Phayre | 16 | Son | — | Pennsylvania |
| 5 | Sarah Corby | 78 | Mother-in-law | — | Pennsylvania |
| 6 | Robert H. Stewart | 48 | Head | Claim Investigator | Pennsylvania |
| 7 | Nina Shepherd | 65 | Housekeeper | Servant | New York |
| 8 | Anna Clark | 45 | Head | — | Pennsylvania |
| 9 | Anna Clark | 21 | Daughter | — | Pennsylvania |
| 10 | Florence Clark | 17 | Daughter | — | Pennsylvania |
| 11 | William Clark | 12 | Son | — | Pennsylvania |
| 12 | Samuel C. Haley | 52 | Head | Decorator | Pennsylvania |
| 13 | Elsie G. Haley | 44 | Wife | — | Pennsylvania |
| 14 | Meyer Chain | 25 | Head | Bartender | Pennsylvania |
| 15 | Isadore Chain | 20 | Son | Usher | Pennsylvania |
| 16 | Amadio Raccio | 41 | Head | Tailor | Italy |
| 17 | Ida Raccio | 35 | Wife | Tailor | Italy |
| 18 | Evelyn Raccio | 10 | Daughter | — | Pennsylvania |
| 19 | Leo Costantini | 42 | Head | Tailor | Italy |
| 20 | Esther Costantini | 39 | Wife | Button Sewer | Italy |
| 21 | Norma Costantini | 18 | Daughter | Collar Matcher | Pennsylvania |
| 22 | Raymond Costantini | 15 | Son | — | Pennsylvania |
| 23 | Philip Costantini | 12 | Son | — | Pennsylvania |
| 24 | Daniel Costantini | 9 | Son | — | Pennsylvania |
| 25 | Clara A. Bellows | 70 | Mother | — | Maryland |
| 26 | Helen M. Lee THIS PERSON | 35 | Daughter | Teacher | Pennsylvania |
| 27 | Josephine Pascetta | 10 | Daughter | — | Pennsylvania |
| 28 | Libia Pascetta | 5 | Daughter | — | Pennsylvania |
| 29 | Elaine Pascetta | 3 | Daughter | — | Pennsylvania |
| 30 | Frederick Otto | 41 | Head | Baker | Germany |
| 31 | Mary Otto | 40 | Wife | Baker And Saleswoman | Germany |
| 32 | Robert H. Mcmullen | 25 | Head | Upholsterer | Pennsylvania |
| 33 | Lillian F. Mcmullen | 23 | Wife | — | Pennsylvania |
| 34 | Lydia M. Kelly | 50 | Head | — | Pennsylvania |
| 35 | Stanley S. Kelly | 30 | Son | Partner-Manager | Pennsylvania |
| 36 | Norman R. Kelly | 19 | Son | Partner-Manager | Pennsylvania |
| 37 | Harry Gostian | 49 | Head | Cobbler | Armenia |
| 38 | Latency Gostian | 45 | Wife | — | Armenia |
| 39 | Harry Jr. Gostian | 18 | Son | — | Pennsylvania |
| 40 | Rose Gostian | 15 | Daughter | — | Pennsylvania |
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)