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John Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this John Mcdonough across the 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | McDonough |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Highest Grade | G 3 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cleveland |
| Est. Birth Year | ~1929 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Joann Mcdonough | Daughter | — | 9 | ~1931 |
| Mary Mcdonough | Daughter | — | 5 | ~1935 |
| Lawrence Mcdonough | Head | — | 39 | ~1901 |
| John Mcdonough | Son | — | 11 | ~1929 |
| Leo Mcdonough | Son | — | 6 | ~1934 |
| Agnes Mcdonough | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Cuyahoga, Ohio
Son, age 1
Cuyahoga, Ohio · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Son, age 11
Cuyahoga-County, Ohio · implied b. ~1929 — 6 household members
| Surname | McDonough |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Highest Grade | G 3 |
| 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 John Mcdonough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcdonough
Son · 1940 · age 11 · b. ~1929 · Ohio
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Sibling
Mary Mcdonough
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joann Mcdonough
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Mcdonough
Sibling · 1940 · age 6
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
37 people indexed on this census page (nara:1940:m-t0627-03204-00354)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lawrence P. Mcdonough | 39 | Head | Street Railway | Ohio |
| 42 | Agnes M. Mcdonough | 39 | Wife | — | Pennsylvania |
| 43 | John J. Mcdonough THIS PERSON | 11 | Son | — | Ohio |
| 44 | Joann M. Mcdonough | 9 | Daughter | — | Ohio |
| 45 | Leo F. Mcdonough | 6 | Son | — | Ohio |
| 46 | Mary Patricia Mcdonough | 5 | Daughter | — | Ohio |
| 47 | Alex B. Creadon | 60 | Head | Watchman | Ohio |
| 48 | Catherine G. D. Creadon | 59 | Wife | — | Ohio |
| 49 | Catherine V. Creadon | 33 | Daughter | Maid | Ohio |
| 50 | James P. Creadon | 29 | Son | Repair Man | Ohio |
| 51 | Loretta M. Creadon | 24 | Daughter | Maid | Ohio |
| 52 | George R. Creadon | 19 | Son | Laborer | Ohio |
| 53 | Harlan P. Long | 54 | Head | Salesman | Indiana |
| 54 | Nora D. Long | 54 | Wife | — | Indiana |
| 55 | Michael V. Tichy | 57 | Head | Laborer | Slovakia |
| 56 | Mary E. Tichy | 54 | Wife | — | Slovakia |
| 57 | Helen M. Tichy | 27 | Daughter | Air Press Operator | Ohio |
| 58 | Bertha R. Tichy | 23 | Daughter | Dictaphone Operator | Ohio |
| 59 | Leona P. Tichy | 20 | Daughter | Office Clerk | Ohio |
| 60 | Mary N. Tichy | 14 | Daughter | — | Ohio |
| 61 | Frances Balak | 23 | Lodger | Inspector | Ohio |
| 62 | Royal G. Treat | 36 | Head | Chauffeur | Ohio |
| 63 | Ethel M. Treat | 35 | Wife | — | Ohio |
| 64 | Donald L. Treat | 12 | Son | — | Ohio |
| 65 | Phyllis A. Treat | 7 | Daughter | — | Ohio |
| 66 | Robert M. Clark | 71 | Father-in-law | — | England |
| 67 | Catherine L. Myers | 17 | Cousin | Nursery Helper | Ohio |
| 68 | Edward W. Delzow | 39 | Head | Land Appraiser | Ohio |
| 69 | Mildred E. Delzow | 37 | Wife | — | Ohio |
| 70 | Alice M. Delzow | 15 | Daughter | — | Ohio |
| 71 | Nancy S. Delzow | 6 | Daughter | — | Ohio |
| 72 | William G. Mapp | 48 | Head | Service Manager | Ohio |
| 73 | Mary D. Mapp | 46 | Wife | — | Ohio |
| 74 | Marie N. Mapp | 22 | Daughter | Bookkeeper | Ohio |
| 75 | Florence E. Mapp | 20 | Daughter | Stenographer | Ohio |
| 76 | Charles J. Wingenfeld | 60 | Head | Laborer | Ohio |
| 77 | Mary E. Wingenfeld | 58 | Wife | — | 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)