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Mary Mcdonnell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this Mary Mcdonnell across the 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 7-person household.
Age 38
b. ~1902
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | McDonnell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | CLEVELAND |
| 1935 Residence (County) | CUYAHOGA |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cleveland |
| Est. Birth Year | ~1902 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Anthony Mccarthy | Other | — | 36 | ~1904 |
| Mary Mcdonnell | Daughter | — | 8 | ~1932 |
| Joseph Mcdonnell | Head | — | 39 | ~1901 |
| Dolores Mcdonnell | Daughter | — | 1 | ~1939 |
| Joan Mcdonnell | Daughter | — | 4 | ~1936 |
| Mary Mcdonnell | Spouse | — | 38 | ~1902 |
| Nancy Mcdonnell | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Cuyahoga, Ohio
Spouse, age 27
Cuyahoga, Ohio · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 22 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Spouse, age 38
Cuyahoga-County, Ohio · implied b. ~1902 — 7 household members
| Surname | McDonnell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | CLEVELAND |
| 1935 Residence (County) | CUYAHOGA |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Mcdonnell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mcdonnell
Spouse · 1940 · age 38 · b. ~1902 · 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-t0627-03227-00338)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Hausrath | 38 | Wife | — | Ohio |
| 42 | Walter Hausrath | 17 | Son | — | Ohio |
| 43 | Norma Hausrath | 15 | Daughter | — | Ohio |
| 44 | Stephan Czeto | 37 | Head | Machinist | Hungary |
| 45 | Edythe Czeto | 34 | Wife | — | Ohio |
| 46 | Doris Czeto | 3 | Daughter | — | Ohio |
| 47 | Jacob Stuplinski | 62 | Head | Locomotive Painter | Poland |
| 48 | James Stuplinski | 27 | Son | Electric Welder | Ohio |
| 49 | Charles Sajowski | 76 | In law | — | Poland |
| 50 | Alexander Jablonski | 31 | Head | Salesman | Pennsylvania |
| 51 | Caroline Jablonski | 32 | Wife | — | Poland |
| 52 | Raymond Jablonski | 12 | Son | — | Ohio |
| 53 | John Matvenk | 45 | Head | Machinist | Poland |
| 54 | Josephine Matvenk | 39 | Wife | — | Poland |
| 55 | Walter Matvenk | 14 | Son | — | Ohio |
| 56 | Edward Matvenk | 7 | Son | — | Ohio |
| 57 | Dan Patrick | 60 | Lodger | — | Russia |
| 58 | Elizabeth Beres | 66 | Head | Seamstress | Hungary |
| 59 | Anna Beres | 45 | Daughter | Seamstress | Hungary |
| 60 | Millard Mog | 30 | Head | Inspector | Ohio |
| 61 | Susan Mog | 29 | Wife | — | Pennsylvania |
| 62 | James Mog | 3 | Son | — | Ohio |
| 63 | Edward Drear | 27 | Head | Auto Mechanic | Ohio |
| 64 | Mary Drear | 27 | Wife | — | Ohio |
| 65 | Sophie Sturek | 17 | Sister in law | Housework | Ohio |
| 66 | Jacob Kline | 60 | Head | — | Russia |
| 67 | Vina Kline | 57 | Wife | — | Russia |
| 68 | Albert Kline | 28 | Son | Pharmacist | Ohio |
| 69 | Milton Kline | 24 | Son | Salesman | Ohio |
| 70 | Harry Mittleman | 25 | Head | Proprietor | Russia |
| 71 | Dorothy Mittleman | 24 | Wife | — | Poland |
| 72 | Norman Mittleman | 0 | Son | — | Ohio |
| 73 | Jean Shapiro | 58 | Mother in law | — | Poland |
| 74 | Joseph Mcdonnell | 39 | Head | Senior Clerk | Ohio |
| 75 | Mary Mcdonnell THIS PERSON | 38 | Wife | — | Ohio |
| 76 | Mary C. Mcdonnell | 8 | Daughter | — | Pennsylvania |
| 77 | Nancy Mcdonnell | 6 | Daughter | — | Ohio |
| 78 | Joan Mcdonnell | 4 | Daughter | — | Ohio |
| 79 | Dolores Mcdonnell | 1 | Daughter | — | Ohio |
| 80 | Anthony Mccarthy | 36 | Brother in law | Timekeeper | 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)