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James Mcnamara — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chippewa-County, Wisconsin
Our Model Tree links this James Mcnamara across the 1930 and 1940 US Censuses in Chippewa-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chippewa-County, Wisconsin |
| Surname | McNamara |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (County) | Chippewa |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Est. Birth Year | ~1928 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Clayton Mcnamara | Son | — | 10 | ~1930 |
| Merlyn Mcnamara | Son | — | 5 | ~1935 |
| Dorothy Mcnamara | Spouse | — | 28 | ~1912 |
| Glen Mcnamara | Son | — | 11 | ~1929 |
| James Mcnamara | Head | — | 36 | ~1904 |
| James Mcnamara | Son | — | 12 | ~1928 |
| Dorothy Mcnamara | Daughter | — | 2 | ~1938 |
Census Appearances
1930
Chippewa, Wisconsin
Son, age 2
Chippewa, Wisconsin · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Chippewa-County, Wisconsin
Son, age 12
Chippewa-County, Wisconsin · implied b. ~1928 — 7 household members
| Surname | McNamara |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (County) | Chippewa |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Mcnamara across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mcnamara
Son · 1940 · age 12 · b. ~1928 · Wisconsin
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Sibling
Merlyn Mcnamara
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clayton Mcnamara
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glen Mcnamara
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mcnamara
Sibling · 1940 · age 2
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 — Chippewa-County, Wisconsin
Open full size
1940 US Federal Census — Chippewa-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04464-00982)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jo Anne La Faive | 4 | Daughter | — | — |
| 42 | Rosa Harlick | 69 | Mother-in-law | — | Austria |
| 43 | John B. Hickey | 68 | Head | 60 | Wisconsin |
| 44 | Rose Hickey | 54 | Wife | — | Wisconsin |
| 45 | John A. Hickey | 31 | Son | 50 | Wisconsin |
| 46 | Victor Hickey | 18 | Son | 60 | Wisconsin |
| 47 | Clayton Hickey | 17 | Son | 60 | Wisconsin |
| 48 | Harold Birch | 27 | Head | 60 | Iowa |
| 49 | Mabel Birch | 22 | Wife | — | Wisconsin |
| 50 | Melvin Birch | 1 | Son | — | — |
| 51 | Jesse B. Birch | 55 | Head | 60 | Wisconsin |
| 52 | Lillie Birch | 57 | Wife | — | Iowa |
| 53 | Mathilda Volovsek | 52 | Head | 60 | Wisconsin |
| 54 | Paul Krakitz | 54 | Hired help | 60 | Wisconsin |
| 55 | Sid Bethke | 49 | Head | 60 | Wisconsin |
| 56 | Henry Wenzel | 49 | Head | 35 | Wisconsin |
| 57 | Elsie Wenzel | 39 | Wife | 60 | Wisconsin |
| 58 | Donald Wenzel | 17 | Son | 1 | Illinois |
| 59 | Marilyn Wenzel | 13 | Daughter | — | Illinois |
| 60 | Emmett Wenzel | 5 | Son | — | — |
| 61 | Feodor Marchuk | 37 | Head | 60 | Wisconsin |
| 62 | Emma Marchuk | 30 | Wife | — | Wisconsin |
| 63 | George Marchuk | 9 | Son | — | Wisconsin |
| 64 | Kathrine Marchuk | 8 | Daughter | — | Wisconsin |
| 65 | Charles Marchuk | 5 | Son | — | — |
| 66 | Dorothy Marchuk | 1 | Daughter | — | — |
| 67 | Julius Harvey | 36 | Head | 60 | Wisconsin |
| 68 | Erna Harvey | 37 | Wife | — | South Dakota |
| 69 | Roger Harvey | 13 | Son | — | Wisconsin |
| 70 | Shirley Harvey | 11 | Daughter | — | Wisconsin |
| 71 | Robert Harvey | 9 | Son | — | Wisconsin |
| 72 | Sharon Harvey | 1 | Daughter | — | — |
| 73 | Shannan Harvey | 0 | Daughter | — | — |
| 74 | James Mcnamara | 36 | Head | 60 | Iowa |
| 75 | Dorothy Mcnamara | 28 | Wife | — | Wisconsin |
| 76 | James Mcnamara THIS PERSON | 12 | Son | — | Wisconsin |
| 77 | Glen Mcnamara | 11 | Son | — | Wisconsin |
| 78 | Clayton Mcnamara | 10 | Son | — | Wisconsin |
| 79 | Merlyn Mcnamara | 5 | Son | — | — |
| 80 | Dorothy Mae Mcnamara | 2 | Daughter | — | — |
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)