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John Donaldson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this John Donaldson across the 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 7-person household.
Age 48
b. ~1892
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Donaldson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1680 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Chauffeur |
| Township / Ward | Cleveland |
| Est. Birth Year | ~1892 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Brennan | Daughter | — | 20 | ~1920 |
| John Donaldson | Head | — | 48 | ~1892 |
| Rose Donaldson | Spouse | — | 45 | ~1895 |
| Donald Donaldson | Son | — | 21 | ~1919 |
| Lewis Donaldson | Son | — | 18 | ~1922 |
| Ruby Donaldson | Daughter | — | 24 | ~1916 |
| Delford Brennan | Other | — | 22 | ~1918 |
Census Appearances
1930
Cuyahoga, Ohio
Head, age 38
Cuyahoga, Ohio · implied b. ~1892 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donaldson |
| Given Name | John S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Chauffeur |
| Industry | Private Fam |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cuyahoga-County, Ohio
Head, age 48
Cuyahoga-County, Ohio · implied b. ~1892 — 7 household members
| Surname | Donaldson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Occupation | Chauffeur |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1680 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 John Donaldson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Donaldson
Head · 1940 · age 48 · b. ~1892 · 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 — 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-t0627-03225-00520)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas F Keevan | 64 | Head | Principal Clerk | Ohio |
| 2 | Flora Keevan | 62 | Wife | — | Ohio |
| 3 | Mike Kuzmanovich | 52 | Head | Laborer | Yugoslavia |
| 4 | Steve Panich | 22 | Step-son | Sales Engineer | Ohio |
| 5 | Mike Panich | 17 | Step-son | Draftsman | Ohio |
| 6 | Emiel Baerwalde | 60 | Head | Tool Maker | Germany |
| 7 | Anna Baerwalde | 53 | Wife | — | Germany |
| 8 | Lucy Baerwalde | 19 | Daughter | Stenographer | Germany |
| 9 | Alice J Griffiths | 66 | Head | — | Ohio |
| 10 | Walter Pulse | 46 | Head | Truck Driver | Ohio |
| 11 | Elsie Pulse | 39 | Wife | — | Ohio |
| 12 | Florence Cross | 82 | Head | — | Ohio |
| 13 | William Jetson | 47 | Head | Laborer | Maryland |
| 14 | Emma Jetson | 48 | Wife | — | Pennsylvania |
| 15 | William Jetson | 22 | Son | Washer-Laundry | Pennsylvania |
| 16 | Dorothy Jetson | 19 | Daughter | Housekeeper | Ohio |
| 17 | Margaret Jetson | 17 | Daughter | Housekeeper | Ohio |
| 18 | James Jetson | 15 | Son | — | Ohio |
| 19 | Robert Jetson | 9 | Son | — | Ohio |
| 20 | Ronald Jetson | 9 | Son | — | Ohio |
| 21 | Adam F Wirbalas | 55 | Head | Laborer | West Virginia |
| 22 | Constance Wirbalas | 48 | Wife | — | West Virginia |
| 23 | Ann Marie Wirbalas | 29 | Daughter | Supervisor | West Virginia |
| 24 | Victoria Wirbalas | 22 | Daughter | Cashier | Ohio |
| 25 | Joseph Parisi | 50 | Head | Laborer | Italy |
| 26 | Bertha Parisi | 53 | Wife | — | Ohio |
| 27 | Earth Parisi | 16 | Daughter | — | Ohio |
| 28 | Sarah Parisi | 16 | Daughter | — | Ohio |
| 29 | Paul Parisi | 14 | Son | — | Ohio |
| 30 | Grace Parisi | 12 | Daughter | — | Ohio |
| 31 | John Parisi | 10 | Son | — | Ohio |
| 32 | Raymond Donaldson | 20 | Nephew | Carpenter | Ohio |
| 33 | John Donaldson THIS PERSON | 48 | Head | Chauffeur | Pennsylvania |
| 34 | Rose Donaldson | 45 | Wife | — | Germany |
| 35 | Ruby Donaldson | 24 | Daughter | Comptometer Operator | Ohio |
| 36 | Donald Donaldson | 21 | Son | Delivery Service | Ohio |
| 37 | Lewis Donaldson | 18 | Son | — | Ohio |
| 38 | Dorothy Brennan | 20 | Daughter | — | Ohio |
| 39 | Delford Brennan | 22 | Son-in-law | Battery Assembler | Ohio |
| 40 | Frank Cooper | 50 | Head | Supervisor Operating Department | 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)