GT
Gertrude Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this Gertrude Thomas across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a daughter (b.~1900), then head of a 10-person household.
Age 40
b. ~1900
Female
Daughter
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Thomas |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Frankfort |
| 1935 Residence (County) | Indiana |
| Additional Details | |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | H 4-30 |
| 1935 Residence | Indiana |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cleveland City |
| Est. Birth Year | ~1900 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| James Thomas | Other | — | 12 | ~1928 |
| John Thomas | Other | — | 14 | ~1926 |
| Gertrude Thomas | Daughter | — | 40 | ~1900 |
| Hugh Thomas | Other | — | 10 | ~1930 |
| James Thomas | Other | — | 46 | ~1894 |
| Gerald Thomas | Other | — | 5 | ~1935 |
| John Gallagher | Head | — | 74 | ~1866 |
| Joseph Thomas | Other | — | 13 | ~1927 |
| Marta Thomas | Other | — | 16 | ~1924 |
| Grace Gallagher | Spouse | — | 70 | ~1870 |
Census Appearances
1900
Cuyahoga, Ohio
Daughter, age
Cuyahoga, Ohio · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thome |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Ohio |
| Birth Month | Feb |
| Birth Year | 1900 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1910
Cuyahoga, Ohio
Daughter, age 10
Cuyahoga, Ohio · implied b. ~1900 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thome |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Cuyahoga, Ohio
Daughter, age 20
Cuyahoga, Ohio · implied b. ~1900 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Daughter, age 30
Cuyahoga, Ohio · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| Age at First Marriage | 30 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Daughter, age 40
Cuyahoga-County, Ohio · implied b. ~1900 — 10 household members
| Surname | Thomas |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Frankfort |
| 1935 Residence (County) | Indiana |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | H 4-30 |
| 1935 Residence | Indiana |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Gertrude Thomas across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Thome (~0.92 confidence) and father Frank Thomas (~0.92 confidence) and father Isaac Thome (~0.92 confidence) and father John Gallagher (~0.92 confidence) and father Joseph Thomas (~0.92 confidence) and mother Grace Gallagher (~0.92 confidence) and mother Sophia Thomas (~0.92 confidence) and mother Sophia Thome (~0.92 confidence). The pedigree spans 1 generation with 8 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Thome
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Frank Thomas
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Isaac Thome
b. ~1875
Source father
● Household
· direct · ~0.92
Father
John Gallagher
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Joseph Thomas
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Grace Gallagher
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Sophia Thomas
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Sophia Thome
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gertrude Thomas
Daughter · 1940 · age 40 · b. ~1900 · Ohio
★ 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 — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03205-00105)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Petrello | 53 | Head | — | Italy |
| 2 | Rouch, Wallace Petrello | 30 | Son | Credit Manager | Ohio |
| 3 | Mary Petrello | 29 | Daughter | — | New York |
| 4 | Daniel Nickels | 27 | Son-in-law | Accountant | Ohio |
| 5 | Anna Nickels | 27 | Daughter | — | New York |
| 6 | Phyllis Ann Rouch | 0 | Granddaughter | — | Ohio |
| 7 | John Gallagher | 74 | Head | — | Eire |
| 8 | Grace A. Gallagher | 70 | Wife | — | Ohio |
| 9 | James Thomas | 46 | Son-in-law | Civil Engineer | Ohio |
| 10 | Gertrude Thomas THIS PERSON | 40 | Daughter | — | Ohio |
| 11 | Marta J. Thomas | 16 | Granddaughter | — | West Virginia |
| 12 | John Oliver Thomas | 14 | Grandson | — | West Virginia |
| 13 | Joseph Earl Thomas | 13 | Grandson | — | Ohio |
| 14 | James Francis Thomas | 12 | Grandson | — | Ohio |
| 15 | Hugh Clare Thomas | 10 | Grandson | — | Ohio |
| 16 | Gerald Thomas | 5 | Grandson | — | Ohio |
| 17 | Patrick Morris | 73 | Head | — | Scotland |
| 18 | Bridget Morris | 72 | Wife | — | England |
| 19 | Margaret Ann Morris | 31 | Daughter | — | Pennsylvania |
| 20 | James P. Morris | 30 | Son | 767 Labourer | Pennsylvania |
| 21 | Charles B. Collier | 64 | Lodger | Watchman | Canada-English |
| 22 | Felix Panszak | 31 | Lodger | Industrial Chemist | New York |
| 23 | William Bendall | 69 | Head | — | England |
| 24 | Minnie Bendall | 63 | Wife | — | Germany |
| 25 | Albert Bendall | 33 | Son | Traveling Salesman | Ohio |
| 26 | Marian Bendall | 25 | Daughter | Stenographer | Ohio |
| 27 | Claude A. Johnson | 39 | Head | Marine Engineer | Indiana |
| 28 | Mary Johnson | 45 | Wife | — | Ohio |
| 29 | Dudley A. Mercer | 30 | Head | Designer | Ohio |
| 30 | Ruth Mercer | 26 | Wife | Executive Secretary | Ohio |
| 31 | Catherine Prall | 36 | Head | New Worker | Ohio |
| 32 | Enrico Biagiotti | 45 | Head | Physician | Italy |
| 33 | Rose M. Biagiotti | 34 | Wife | — | Ohio |
| 34 | Guy Biagiotti | 12 | Son | — | Ohio |
| 35 | Anthony Biagiotti | 10 | Son | — | Ohio |
| 36 | Casper Diedenbach | 38 | Head | Painter | Ohio |
| 37 | Geraldine Diedenbach | 31 | Wife | — | Ohio |
| 38 | Florence Diedenbach | 10 | Daughter | — | Ohio |
| 39 | James Diedenbach | 8 | Son | — | Ohio |
| 40 | Harvey Brown | 30 | Head | Salesman | Ohio |
Pedigree Summary
Gertrude
Gen 1 · 8 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)