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James Mcmanus — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Buchanan-County, Missouri
Our Model Tree links this James Mcmanus across the 1930 and 1940 US Censuses in Buchanan-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 13-person household.
Age 13
b. ~1927
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Buchanan-County, Missouri |
| Surname | McManus |
| Given Name | James C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Marion Township |
| 1935 Residence (County) | Buchanan |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Marion Township |
| Est. Birth Year | ~1927 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcmanus | Daughter | — | 6 | ~1934 |
| Katherine Mcmanus | Spouse | — | 39 | ~1901 |
| William Mcmanus | Son | — | 4 | ~1936 |
| Margaret Mcmanus | Daughter | — | 3 | ~1937 |
| Alice Mcmanus | Daughter | — | 1 | ~1939 |
| John Mcmanus | Son | — | 9 | ~1931 |
| Francis Mcmanus | Son | — | 11 | ~1929 |
| James Mcmanus | Son | — | 13 | ~1927 |
| Rita Mcmanus | Daughter | — | ~1940 | |
| Clara Mcmanus | Daughter | — | 2 | ~1938 |
| Dorothy Mcmanus | Daughter | — | 10 | ~1930 |
| Joseph Mcmanus | Head | — | 37 | ~1903 |
| Charles Mcmanus | Son | — | 7 | ~1933 |
Census Appearances
1930
Buchanan, Missouri
Son, age 3
Buchanan, Missouri · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McManus |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Buchanan-County, Missouri
Son, age 13
Buchanan-County, Missouri · implied b. ~1927 — 13 household members
| Surname | McManus |
| Given Name | James C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Marion Township |
| 1935 Residence (County) | Buchanan |
| Highest Grade | 8 |
| 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 Mcmanus across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mcmanus
Son · 1940 · age 13 · b. ~1927 · Missouri
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Sibling
Mary Mcmanus
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcmanus
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Mcmanus
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mcmanus
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcmanus
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mcmanus
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcmanus
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Mcmanus
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mcmanus
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mcmanus
Sibling · 1940 · age 7
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 — Buchanan-County, Missouri
Open full size
1940 US Federal Census — Buchanan-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02087-00166)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul W. Kneib | 57 | Head | Farmer | Missouri |
| 42 | Rose Kneib | 55 | Wife | — | Missouri |
| 43 | Alphonsus J. Kneib | 27 | Son | Farmer | Missouri |
| 44 | Vincent J. Kneib | 24 | Son | Farmer | Missouri |
| 45 | Carl G. Kneib | 20 | Son | Farmer | Missouri |
| 46 | Geraldine Kneib | 18 | Daughter | — | Missouri |
| 47 | Quinton Schneider | 35 | Head | Farmer | Missouri |
| 48 | Lucetta Schneider | 33 | Wife | — | Missouri |
| 49 | Sharon G. Schneider | 5 | Daughter | — | Missouri |
| 50 | George E. Wigger | 66 | Head | Farmer | Missouri |
| 51 | Mary S. Wigger | 67 | Wife | — | Missouri |
| 52 | Joseph E. Mcmanus | 37 | Head | Farmer | Missouri |
| 53 | Katherine Mcmanus | 39 | Wife | — | Missouri |
| 54 | James C. Mcmanus THIS PERSON | 13 | Son | — | Missouri |
| 55 | Francis R. Mcmanus | 11 | Son | — | Missouri |
| 56 | Dorothy A. Mcmanus | 10 | Daughter | — | Missouri |
| 57 | John J. Mcmanus | 9 | Son | — | Missouri |
| 58 | Charles P. Mcmanus | 7 | Son | — | Missouri |
| 59 | Mary J. Mcmanus | 6 | Daughter | — | Missouri |
| 60 | William C. Mcmanus | 4 | Son | — | Missouri |
| 61 | Margaret K. Mcmanus | 3 | Daughter | — | Missouri |
| 62 | Clara L. Mcmanus | 2 | Daughter | — | Missouri |
| 63 | Alice S. Mcmanus | 1 | Daughter | — | Missouri |
| 64 | Rita P. Mcmanus | 0 | Daughter | — | Missouri |
| 65 | Mary E. Venda | 66 | Head | — | Missouri |
| 66 | Herman Venda | 33 | Son | Farmer | Missouri |
| 67 | Robert J. Ebermeier | 44 | Head | Farmer | Missouri |
| 68 | Christena Ebermeier | 42 | Wife | — | Missouri |
| 69 | Leath Ebermeier | 21 | Daughter | — | Missouri |
| 70 | James J. Elrod | 43 | Head | Farmer | Missouri |
| 71 | Mary E. Elrod | 42 | Wife | — | Missouri |
| 72 | Frances L. Elrod | 16 | Daughter | — | Missouri |
| 73 | Glen F. Elrod | 15 | Son | — | Missouri |
| 74 | Victor J. Elrod | 12 | Son | — | Missouri |
| 75 | Paul R. Miester | 65 | Head | Farmer | Missouri |
| 76 | Matilda Miester | 75 | Wife | — | Missouri |
| 77 | Fred F. Miester | 36 | Son | Farmer | Missouri |
| 78 | Theresa M. Miester | 34 | Daughter | — | Missouri |
| 79 | Paul L. Boyer | 34 | Head | Farmer | Missouri |
| 80 | Helen M. Boyer | 28 | Wife | — | 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)