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Gertrude Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this Gertrude Brown across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 4-person household.
Age 46
b. ~1894
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Brown |
| Given Name | Gertrude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Toledo |
| Est. Birth Year | ~1894 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| H Brown | Head | — | 49 | ~1891 |
| Thomas Brown | Son | — | 15 | ~1925 |
| Robert Brown | Son | — | 27 | ~1913 |
| Gertrude Brown | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Lucas, Ohio
Spouse, age 25
Lucas, Ohio · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Gertrude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Germany |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Lucas, Ohio
Spouse, age 35
Lucas, Ohio · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Gertrude W |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 25 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Lucas-County, Ohio
Spouse, age 46
Lucas-County, Ohio · implied b. ~1894 — 4 household members
| Surname | Brown |
| Given Name | Gertrude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Gertrude Brown
Spouse · 1940 · age 46 · b. ~1894 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03259-00379)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Evelyn Smith | 36 | Head | Office Worker | Michigan |
| 2 | Marion Smith | 34 | Wife | — | Michigan |
| 3 | Claude Smith | 11 | Daughter | — | Michigan |
| 4 | Melvin Smith | 9 | Son | — | Ohio |
| 5 | Wm E. Smith | 7 | Son | — | Ohio |
| 6 | Robert Smith | 1 | Son | — | Ohio |
| 7 | Emma Sweezey | 37 | Head | Finisher | Ohio |
| 8 | Royce Sweezey | 18 | Wife | Packing | Ohio |
| 9 | Bill Sweezey | 16 | Son | — | Ohio |
| 10 | Ray Linden | 38 | Head | Inspector | Pennsylvania |
| 11 | Leora Linden | 38 | Wife | — | Ohio |
| 12 | Deane Linden | 9 | Son | — | Ohio |
| 13 | Lois Linden | 6 | Daughter | — | Ohio |
| 14 | Albert Roberts | 70 | Head | Grocer | Michigan |
| 15 | Laura Roberts | 68 | Wife | — | Ohio |
| 16 | Grace Cunningham | 65 | Head | — | Ohio |
| 17 | Wm Herr | 67 | Head | Painter | Ohio |
| 18 | Elizabeth Herr | 46 | Wife | — | W. Virginia |
| 19 | Arthur Herr | 23 | Son | Sorter | Ohio |
| 20 | Ruth Herr | 17 | Daughter | — | Ohio |
| 21 | Gale Herr | 16 | Son | — | Ohio |
| 22 | Louis Herr | 13 | Son | — | Ohio |
| 23 | Thomas Herr | 10 | Son | — | Ohio |
| 24 | Paul Herr | 5 | Son | — | Ohio |
| 25 | H. H. Brown | 49 | Head | Driver | Indiana |
| 26 | Gertrude Brown THIS PERSON | 46 | Wife | — | Indiana |
| 27 | Robert Brown | 27 | Son | Waiter | Ohio |
| 28 | Thomas Brown | 15 | Son | — | Ohio |
| 29 | Clyde Wolcott | 43 | Head | Carpenter | Ohio |
| 30 | Effie Wolcott | 50 | Wife | — | Ohio |
| 31 | Robert Wolcott | 18 | Son | Clerk | Ohio |
| 32 | Alma Engle | 53 | Head | — | Ohio |
| 33 | Lois Mitchell | 30 | Daughter | Clerk | Ohio |
| 34 | Paul Casey | 38 | Head | Salesman | Ohio |
| 35 | Florence Casey | 36 | Wife | — | Ohio |
| 36 | Sheila M. Casey | 1 | Daughter | — | Ohio |
| 37 | Mary Gilday | 71 | Mother-in-law | — | Michigan |
| 38 | Florence Bower | 52 | Head | — | Ohio |
| 39 | John W. Bower | 42 | Brother | Office Manager | Ohio |
| 40 | Theodore Koeppe | 65 | Head | Fender Work | Ohio |
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)