HL
Helen Long — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Helen Long across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents George & Ida — first a spouse (b.~1912), then head of a 6-person household.
Age 28
b. ~1912
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Long |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1912 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| David Long | Son | — | 7 | ~1933 |
| Helen Long | Spouse | — | 28 | ~1912 |
| David Long | Head | — | 25 | ~1915 |
| Ellene Long | Daughter | — | ~1940 | |
| Lorraine Long | Daughter | — | 9 | ~1931 |
| Beverly Long | Daughter | — | 5 | ~1935 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 8
Baltimore, Maryland · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lang |
| Given Name | Hildegarde |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 18
Baltimore, Maryland · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Hilda |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Checker |
| Industry | Underwear Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 28
Baltimore-City-County, Maryland · implied b. ~1912 — 6 household members
| Surname | Long |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| 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 Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Long (~0.92 confidence) and mother Ida Lang (~0.92 confidence) and mother Mary Long (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Long
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Ida Lang
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Long
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Long
Spouse · 1940 · age 28 · b. ~1912 · Maryland
★ 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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01509-00237)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie Wachter | 22 | Daughter | Packer | Maryland |
| 2 | Lewis Kiatkowski | 25 | Head | Laborer | Maryland |
| 3 | Gertrude Kiatkowski | 23 | Wife | Operator | Maryland |
| 4 | Diana Kiatkowski | 2 | Daughter | — | Maryland |
| 5 | Joseph Regulski | 47 | Head | Derrick Engineer | Maryland |
| 6 | Mary Regulski | 40 | Wife | — | New York |
| 7 | Walter Regulski | 18 | Son | Laborer | Maryland |
| 8 | Agnes Regulski | 16 | Daughter | New Worker | Maryland |
| 9 | Dorothy Regulski | 13 | Daughter | — | Maryland |
| 10 | Delores Regulski | 8 | Daughter | — | Maryland |
| 11 | Theresa Regulski | 2 | Daughter | — | Maryland |
| 12 | Stanley Frank | 74 | Father-in-law | — | Poland |
| 13 | Matilda Ratajczyk | 69 | Head | — | Poland |
| 14 | Adam Ratajczyk | 36 | Son | Laborer | Maryland |
| 15 | Niclaus Getka | 52 | Head | Laborer | Poland |
| 16 | Mary Getka | 49 | Wife | — | Poland |
| 17 | Frances Getka | 14 | Daughter | — | Maryland |
| 18 | David Long | 25 | Head | Laborer | Maryland |
| 19 | Helen Long THIS PERSON | 28 | Wife | — | Maryland |
| 20 | Lorraine Long | 9 | Daughter | — | Maryland |
| 21 | David Jr Long | 7 | Son | — | Maryland |
| 22 | Beverly Long | 5 | Daughter | — | Maryland |
| 23 | Ellene Long | 0 | Daughter | — | Maryland |
| 24 | Walter Kryszynik | 60 | Head | Fireman | Poland |
| 25 | Antoinette Kryszynik | 63 | Wife | — | Poland |
| 26 | Frank Kryszynik | 18 | Son | Truck Driver | Maryland |
| 27 | Beleslaus Kryszynik | 16 | Son | New Worker | Maryland |
| 28 | Adam Olszewski | 41 | Head | Laborer | Maryland |
| 29 | Bertha Olszewski | 33 | Wife | Operator | Maryland |
| 30 | Stanley Olszewski | 13 | Son | — | Maryland |
| 31 | John Kolodziejski | 44 | Head | Laborer | Maryland |
| 32 | Julia Kolodziejski | 40 | Wife | — | Maryland |
| 33 | Eleanore Kolodziejski | 19 | Daughter | New Worker | Maryland |
| 34 | Margaret Kolodziejski | 18 | Daughter | Heel Painter | Maryland |
| 35 | Richard Kolodziejski | 15 | Son | — | Maryland |
| 36 | Mary C. Kolodziejski | 2 | Daughter | — | Maryland |
| 37 | George Kolodziejski | 21 | Son | Heel Cutter | Maryland |
| 38 | Edward Penn | 43 | Head | Operator | Pennsylvania |
| 39 | Rosalie Penn | 33 | Wife | Operator | Maryland |
| 40 | Rosemary Penn | 4 | Daughter | — | Maryland |
Pedigree Summary
Helen
Gen 1 · 3 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)