GC
Gertrude Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this Gertrude Clark across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents Bernard & Bernard — first a daughter (b.~1904), then head of a 5-person household.
Age 36
b. ~1904
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Clark |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Lakewood city |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Occupation | Stenographer |
| Industry | General Ins |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1440 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stenographer |
| Township / Ward | Lakewood City |
| Est. Birth Year | ~1904 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Bernard Clark | Head | — | 61 | ~1879 |
| James Clark | Son | — | 19 | ~1921 |
| Loretta Clark | Daughter | — | 23 | ~1917 |
| Gertrude Clark | Daughter | — | 36 | ~1904 |
| Mamie Clark | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Cuyahoga, Ohio
Daughter, age 18
Cuyahoga, Ohio · implied b. ~1902 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cuyahoga, Ohio
Daughter, age 26
Cuyahoga, Ohio · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Gertrude E. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Switch B. Operator |
| Industry | Electric Appliance Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cuyahoga-County, Ohio
Daughter, age 36
Cuyahoga-County, Ohio · implied b. ~1904 — 5 household members
| Surname | Clark |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Lakewood city |
| 1935 Residence (County) | Cuyahoga |
| Occupation | Stenographer |
| Industry | General Ins |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1440 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bernard Clark (~0.92 confidence) and father Bernard Clark (~0.92 confidence) and mother Mamie Clark (~0.92 confidence) and mother Naomi Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bernard Clark
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Bernard Clark
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Mamie Clark
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Naomi Clark
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gertrude Clark
Daughter · 1940 · age 36 · b. ~1904 · Ohio
★ You are viewing this record
Sibling
Loretta Clark
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Clark
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-03056-00286)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Virgil Rittenhouse | 53 | Head | Custodian | Pennsylvania |
| 2 | Florence Rittenhouse | 48 | Wife | — | Pennsylvania |
| 3 | Mary Klamm | 49 | Head | — | Budapest |
| 4 | Nelda Klamm | 22 | Daughter | Stock Girl | Ohio |
| 5 | Mary Harris | 27 | Daughter | Dressmaker | Budapest |
| 6 | Fritz Jr Harris | 6 | Grandson | — | Ohio |
| 7 | Warren Harris | 4 | Grandson | — | Ohio |
| 8 | Helen Conray | 60 | Head | — | Ohio |
| 9 | Mary Beall | 75 | Sister | — | England |
| 10 | Guffie Wheeler | 54 | Head | Telegraph Oper | Ohio |
| 11 | Mildred Wheeler | 45 | Wife | — | Ohio |
| 12 | Maureen Wheeler | 23 | Daughter | Sub Station Operator | Ohio |
| 13 | Bernice Wheeler | 14 | Daughter | — | Ohio |
| 14 | Harry M Mccurrey | 72 | Son in law | — | Ohio |
| 15 | Margaret Corrigan | 61 | Head | — | Ireland |
| 16 | Joseph Sullivan | 51 | Head | Truck And Bus Mechanic | Ohio |
| 17 | Irene Sullivan | 42 | Wife | — | Ohio |
| 18 | Woneta Sullivan | 18 | Daughter | — | Ohio |
| 19 | Ella May Sullivan | 12 | Daughter | — | Ohio |
| 20 | Roland Sullivan | 8 | Son | — | Ohio |
| 21 | Mary Therese Sullivan | 0 | Daughter | — | Ohio |
| 22 | Robert Smiley | 35 | Head | General Clerk | Ohio |
| 23 | Genevieve Smiley | 37 | Wife | — | Illinois |
| 24 | Bernard J Clark | 61 | Head | Road Foreman | Illinois |
| 25 | Mamie Clark | 60 | Wife | — | Illinois |
| 26 | Gertrude Clark THIS PERSON | 36 | Daughter | Stenographer | Illinois |
| 27 | Loretta Clark | 23 | Daughter | Assembler | Ohio |
| 28 | James Clark | 19 | Son | New Worker | Ohio |
| 29 | Alfred Regan | 34 | Head | Machine Operator | New York |
| 30 | Margaret Regan | 35 | Wife | — | Illinois |
| 31 | Dan Regan | 3 | Grandson | — | Ohio |
| 32 | Judith Regan | 1 | Granddaughter | — | Ohio |
| 33 | Herbert Jones | 56 | Head | Maintenance Man | New York |
| 34 | Edna Jones | 47 | Wife | — | Tennessee |
| 35 | Robert Jones | 20 | Son | General Clerk | Ohio |
| 36 | Paul Jones | 17 | Son | — | Ohio |
| 37 | John C Kelly | 63 | Lodger | — | Pennsylvania |
| 38 | Charles W Baker | 52 | Head | Locksmith | Michigan |
| 39 | Edith C Baker | 45 | Wife | Milliner | Ohio |
| 40 | Charlotte Davies | 71 | Mother in law | — | Wales |
Pedigree Summary
Gertrude + 2 siblings
Gen 1 · 4 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)