MR
Mary Roth — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this Mary Roth across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents Fred & Josephine — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Roth |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lakewood |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Occupation | Trained Nurse |
| Industry | Private Duty |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 480 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Trained Nurse |
| Township / Ward | Lakewood |
| Est. Birth Year | ~1918 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Josephine Roth | Spouse | — | 52 | ~1888 |
| Mary Roth | Daughter | — | 22 | ~1918 |
| Madeline Roth | Daughter | — | 25 | ~1915 |
| Fred Roth | Head | — | 51 | ~1889 |
Census Appearances
1920
Cuyahoga, Ohio
Daughter, age 2
Cuyahoga, Ohio · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roth |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Wisconsin |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Daughter, age 12
Cuyahoga, Ohio · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roth |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Daughter, age 22
Cuyahoga-County, Ohio · implied b. ~1918 — 4 household members
| Surname | Roth |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lakewood |
| 1935 Residence (County) | Cuyahoga |
| Occupation | Trained Nurse |
| Industry | Private Duty |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 480 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 Mary Roth across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Roth (~0.92 confidence) and mother Josephine Roth (~0.92 confidence) and father Fred Roth (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Roth
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Josephine Roth
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Fred Roth
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Roth
Daughter · 1940 · age 22 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
Madeline Roth
Sibling · 1940 · age 25
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
26 people indexed on this census page (nara:1940:m-t0627-03054-00100)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth Hammit | 49 | Wife | — | Pennsylvania |
| 42 | Phyllis Hammit | 21 | Daughter | Stenographer | Pennsylvania |
| 43 | Floyd H Williams | 19 | Nephew | Apprentice | Pennsylvania |
| 44 | Kenneth Williams | 17 | Nephew | Secretary | Pennsylvania |
| 45 | Fred J. Roth | 51 | Head | — | Ohio |
| 46 | Josephine M. Roth | 52 | Wife | — | Wisconsin |
| 47 | Mary Roth THIS PERSON | 22 | Daughter | Trained Nurse | Ohio |
| 48 | Madeline Roth | 25 | Daughter | General Office | Ohio |
| 49 | Agnes Wallace | 65 | Head | Proprietress | Wisconsin |
| 50 | Bertha Wallace | 63 | Sister | Sales Lady | Wisconsin |
| 51 | Mary Hunger | 71 | Head | — | Germany |
| 52 | Olga Hunger | 42 | Daughter | Secretary | Ohio |
| 53 | Robert Hunger | 48 | Head | Pres + Treasurer | Ohio |
| 54 | Florence Hunger | 48 | Wife | — | Ohio |
| 55 | Marion Hunger | 23 | Daughter | Stenographer | Ohio |
| 56 | Clara Mickert | 58 | Housekeeper | — | Ohio |
| 57 | Thomas W Russell | 44 | Head | Sales Manager | Illinois |
| 58 | Geraldine G Russell | 44 | Wife | — | Illinois |
| 59 | Charles P. Krogg | 71 | Head | — | Germany |
| 60 | Edward Snyder | 45 | Son-in-law | Waiter | Ohio |
| 61 | Eleanor Snyder | 48 | Daughter | Chief Clerk | Ohio |
| 62 | Alfred H. Krogg | 46 | Head | Superintendent | Ohio |
| 63 | Lillian E. Krogg | 44 | Wife | — | Pennsylvania |
| 64 | Vernon C. (Ab) Krogg | 20 | Son | — | Ohio |
| 65 | William, Md Three | 35 | Head | Medical Doctor | Ohio |
| 66 | Helen Three | 35 | Wife | — | Ohio |
Pedigree Summary
Mary + 1 sibling
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)