TH
Thelma Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Erie-County, New York
Our Model Tree links this Thelma Harris across the 1920, 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed), with identified parents Luman & Lyman — first a spouse (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Female
Spouse
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Harris |
| Given Name | Thelma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Los Angeles |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | California |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Blasdell Village |
| Est. Birth Year | ~1909 |
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 Thelma | Age | Birth yr |
|---|---|---|---|---|
| Beverly Harris | Daughter | — | 3 | ~1937 |
| Dallas Harris | Head | — | 33 | ~1907 |
| Thelma Harris | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Erie, New …
Daughter, age 11
Erie, New York · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Thena |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
Daughter, age 21
Erie, New York · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Thomas G |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Canada |
| Occupation | Teacher |
| Industry | Public school |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Erie-County, New …
Spouse, age 31
Erie-County, New York · implied b. ~1909 — 3 household members
| Surname | Harris |
| Given Name | Thelma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Los Angeles |
| Highest Grade | Hs 4 |
| 1935 Residence | California |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Thelma Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Luman Harris (~0.92 confidence) and father Lyman Harris (~0.92 confidence) and mother Grace Harris (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Luman Harris
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Lyman Harris
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Grace Harris
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thelma Harris
Spouse · 1940 · age 31 · b. ~1909 · New York
★ 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 — Erie-County, New York
Open full size
1940 US Federal Census — Erie-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02528-00661)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Judith Lussier | 1 | Daughter | — | New York |
| 42 | Dallas Harris | 33 | Head | 2Nd Helper | Pennsylvania |
| 43 | Thelma Harris THIS PERSON | 31 | Wife | — | New York |
| 44 | Beverly Harris | 3 | Daughter | — | New York |
| 45 | Calvin Crompton | 41 | Head | Salesman | Michigan |
| 46 | Thelma Crompton | 38 | Wife | — | New York |
| 47 | Juanita Crompton | 2 | Daughter | — | New York |
| 48 | Patricia Crompton | 0 | Daughter | — | New York |
| 49 | Keith Patterson | 32 | Head | Shop Clerk | New York |
| 50 | Florence Patterson | 32 | Wife | — | New York |
| 51 | Donald Patterson | 13 | Son | — | New York |
| 52 | Robert Patterson | 11 | Son | — | New York |
| 53 | Samuel Dierschio | 44 | Head | Compositor | Italy |
| 54 | Theresa Dierschio | 42 | Wife | — | New York |
| 55 | Joseph Dierschio | 22 | Son | Carpenter Helper | Ohio |
| 56 | Salvatore Dierschio | 21 | Son | Artist | Ohio |
| 57 | Vincent Dierschio | 20 | Son | New Worker | New York |
| 58 | Anthony Dierschio | 18 | Son | — | New York |
| 59 | Charles Dierschio | 16 | Son | — | New York |
| 60 | Lenatena Dierschio | 13 | Daughter | — | New York |
| 61 | Jacob Dierschio | 7 | Son | — | New York |
| 62 | Julius Baustert | 51 | Head | Roller | Pennsylvania |
| 63 | Nina Baustert | 54 | Wife | — | Canada-English |
| 64 | Fred Hillman | 38 | Head | Electric Welder | England |
| 65 | Mildred Hillman | 37 | Wife | — | Pennsylvania |
| 66 | Frederick Hillman | 13 | Son | — | New York |
| 67 | Sarah Bayley | 83 | Head | — | Ohio |
| 68 | Elsie Bayley | 47 | Daughter | — | New York |
| 69 | Walter Bayley | 43 | Son | Cutting Pipe Machine | New York |
| 70 | Charles Stewart | 44 | Head | Welder | Ohio |
| 71 | Mary Stewart | 51 | Wife | — | New York |
| 72 | Wallace Vem-Berman | 32 | Head | — | New York |
| 73 | Violet Vem-Berman | 28 | Wife | — | New York |
| 74 | Violet Christoff | 39 | Head | — | New York |
| 75 | Carol Christoff | 5 | Daughter | — | New York |
| 76 | William Leddler | 45 | Head | Manager | England |
| 77 | Agnes Leddler | 47 | Wife | — | Scotland |
| 78 | Grace Leddler | 23 | Daughter | — | New York |
| 79 | Jessie Leddler | 21 | Daughter | Secretary | New York |
| 80 | William J. Leddler | 16 | Son | — | New York |
Related Census Records
Pedigree Summary
Thelma
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)