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James Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this James Mcdonough across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | McDonough |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Helen Mcdonough | Daughter | — | 9 | ~1931 |
| Michael Mcdonough | Head | — | 54 | ~1886 |
| Billie Mcdonough | Son | — | 14 | ~1926 |
| Bernard Mcdonough | Son | — | 23 | ~1917 |
| Ella Mcdonough | Spouse | — | 48 | ~1892 |
| James Mcdonough | Son | — | 17 | ~1923 |
| Kenneth Mcdonough | Son | — | 12 | ~1928 |
| Dorothy Mcdonough | Daughter | — | 20 | ~1920 |
Census Appearances
1930
St Louis, …
Son, age 7
St Louis, Missouri · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Son, age 17
St.-Louis-City-County, Missouri · implied b. ~1923 — 8 household members
| Surname | McDonough |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 James Mcdonough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mcdonough
Son · 1940 · age 17 · b. ~1923 · Missouri
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Sibling
Billie Mcdonough
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mcdonough
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Mcdonough
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mcdonough
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Mcdonough
Sibling · 1940 · age 23
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 — St.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02181-00070)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Armont Repp | 28 | Head | Statistician | Missouri |
| 2 | Margaret Repp | 21 | Wife | Dancer | Missouri |
| 3 | James P. King | 36 | Head | Salesman | Missouri |
| 4 | Marguerie M. King | 30 | Wife | Clerical | Indiana |
| 5 | Edward A. Meyer | 65 | Head | Salesman | Missouri |
| 6 | Enid Meyer | 64 | Wife | Saleslady | Illinois |
| 7 | Horace P. Glynn | 29 | Head | Salesman | Missouri |
| 8 | Agnes Glynn | 30 | Wife | Superv. | Missouri |
| 9 | Vergil Koch | 29 | Head | Superintendent | Missouri |
| 10 | Thelma Koch | 26 | Wife | Accounting | Missouri |
| 11 | Granville May | 35 | Head | Produce | Missouri |
| 12 | Catherine May | 30 | Wife | — | Missouri |
| 13 | Thomas Baxter | 50 | Head | Minister | Scotland |
| 14 | Elizabeth Baxter | 51 | Wife | — | Scotland |
| 15 | Jeanette Baxter | 15 | Daughter | — | Michigan |
| 16 | Betty Mae Baxter | 12 | Daughter | — | Michigan |
| 17 | Louis Whittington | 34 | Head | Cleaner | Arkansas |
| 18 | Elizabeth Whittington | 30 | Wife | Helper | Hungary |
| 19 | Susan Whittington | 5 | Daughter | — | Missouri |
| 20 | Alvin Redecker | 48 | Head | Foreman | Missouri |
| 21 | Olga Redecker | 48 | Wife | — | Missouri |
| 22 | Robert Redecker | 17 | Son | — | Missouri |
| 23 | Robert Lee Kuehner | 46 | Head | Policeman | Missouri |
| 24 | Margaret Kuehner | 46 | Wife | — | Missouri |
| 25 | Arnold H. Kaimann | 51 | Head | Representative | Missouri |
| 26 | Fanny Kaimann | 50 | Wife | — | Missouri |
| 27 | Jenny Bierman | 47 | Sister in law | — | Missouri |
| 28 | Ralph Mittengwey | 38 | Head | Clerk | Missouri |
| 29 | Dorothy Mittengwey | 38 | Wife | — | Missouri |
| 30 | Daniel Wheatley | 40 | Head | Wireman | Illinois |
| 31 | Myrtle Wheatley | 36 | Wife | — | Missouri |
| 32 | Oliver Triller | 12 | Son | — | Missouri |
| 33 | Michael Mcdonough | 54 | Head | — | Missouri |
| 34 | Ella Mcdonough | 48 | Wife | — | Missouri |
| 35 | Bernard Mcdonough | 23 | Son | Manager | Missouri |
| 36 | Dorothy Mcdonough | 20 | Daughter | Clerical | Missouri |
| 37 | James Mcdonough THIS PERSON | 17 | Son | — | Missouri |
| 38 | Billie Mcdonough | 14 | Son | — | Missouri |
| 39 | Kenneth Mcdonough | 12 | Son | — | Missouri |
| 40 | Helen Mae Mcdonough | 9 | Daughter | — | Missouri |
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)