HT
Helen Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegany-County, Maryland
Our Model Tree links this Helen Thomas across the 1920, 1930 and 1940 US Censuses in Allegany-County, Maryland (XGBoost, ~Confirmed), with identified parents George & George — first a spouse (b.~1921), then head of a 3-person household.
Age 19
b. ~1921
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegany-County, Maryland |
| Surname | Thomas |
| Given Name | Helen E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frostburg |
| 1935 Residence (County) | Allegany |
| Additional Details | |
| Occupation | Housework |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | No 10 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Housework |
| Township / Ward | Eckhart Mines |
| Est. Birth Year | ~1921 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Fred Thomas | Head | — | 21 | ~1919 |
| Fred Thomas | Son | — | 1 | ~1939 |
| Helen Thomas | Spouse | — | 19 | ~1921 |
Census Appearances
1920
Allegany, Maryland
Daughter, age 1
Allegany, Maryland · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Helen V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Allegany, Maryland
Daughter, age 10
Allegany, Maryland · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Helen J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Allegany-County, Maryland
Spouse, age 19
Allegany-County, Maryland · implied b. ~1921 — 3 household members
| Surname | Thomas |
| Given Name | Helen E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frostburg |
| 1935 Residence (County) | Allegany |
| Occupation | Housework |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | No 10 |
| 1935 Residence | Maryland |
| 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 Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Thomas (~0.92 confidence) and father George Thomas (~0.92 confidence) and mother Elizabeth Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Thomas
b. ~1876
Source father
● Household
· direct · ~0.92
Father
George Thomas
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Thomas
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Thomas
Spouse · 1940 · age 19 · b. ~1921 · 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 — Allegany-County, Maryland
Open full size
1940 US Federal Census — Allegany-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01500-00702)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles M Newman | 48 | Head | Machine Helper | Maryland |
| 42 | Sara E Newman | 46 | Wife | Housework | Maryland |
| 43 | Catherine E Newman | 18 | Daughter | Seamstress | Maryland |
| 44 | Charles M Newman | 16 | Son | — | Maryland |
| 45 | John L Newman | 14 | Son | — | Maryland |
| 46 | Christina M Newman | 12 | Daughter | — | Maryland |
| 47 | Thomas J Newman | 10 | Son | — | Maryland |
| 48 | Frank P Kelly | 43 | Head | Asst Foreman Acetone Dept | Maryland |
| 49 | Margaret L Kelly | 42 | Wife | Housework | Pennsylvania |
| 50 | Eugene F Kelly | 22 | Son | Machine Operator | Maryland |
| 51 | John L Kelly | 20 | Son | Laborer | Maryland |
| 52 | Michael F Kelly | 18 | Son | — | Maryland |
| 53 | Mary M Kelly | 12 | Daughter | — | Maryland |
| 54 | Walter F Kelly | 6 | Son | — | Maryland |
| 55 | John H Race | 60 | Head | Coal Miner | Maryland |
| 56 | Fanny Race | 59 | Wife | Housework | Maryland |
| 57 | Charles W Phillips | 46 | Head | Cylinder Washer | Maryland |
| 58 | Mary C Phillips | 40 | Wife | Housework | Maryland |
| 59 | Joseph E Rephann | 64 | Head | Switch Man | Maryland |
| 60 | Martha E Rephann | 60 | Wife | Housework | Maryland |
| 61 | Lee E Rephann | 42 | Son | Manager Of Retail Store | Maryland |
| 62 | Lee E Rephann | 16 | Grandson | — | Maryland |
| 63 | Martha E Rephann | 13 | Granddaughter | — | Maryland |
| 64 | Joseph J Rephann | 10 | Grandson | — | Maryland |
| 65 | Arthur C Wonn | 32 | Head | Turbine Operator | Maryland |
| 66 | Alice M Wonn | 33 | Wife | School Teacher | Maryland |
| 67 | Stuart Nellie M Wonn | 57 | Mother-in-law | Housework | Maryland |
| 68 | Elmer W Fear | 23 | Head | Spinner | Maryland |
| 69 | Mary D Fear | 21 | Wife | Housework | Maryland |
| 70 | Elmer L Fear | 2 | Son | — | Maryland |
| 71 | Fred C Thomas | 21 | Head | Coring Machine Operator | Maryland |
| 72 | Helen E Thomas THIS PERSON | 19 | Wife | Housework | Maryland |
| 73 | Fred W Thomas | 1 | Son | — | Maryland |
| 74 | Mary I Fafferty | 57 | Head | Housework | Maryland |
| 75 | Lewis J Fafferty | 19 | Son | Truck Driver | Maryland |
| 76 | Charles A Lancaster | 69 | Head | Coal Miner | Maryland |
| 77 | Mary A Lancaster | 67 | Wife | Housework | Maryland |
| 78 | Hilary Lancaster | 37 | Head | Coal Miner | Maryland |
| 79 | Nellie Lancaster | 34 | Wife | Housework | Maryland |
| 80 | Charles Lancaster | 14 | Son | — | 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)