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James Shannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Wisconsin
Our Model Tree links this James Shannon across the 1930 and 1940 US Censuses in Jefferson-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Wisconsin |
| Surname | Shannon |
| Given Name | James Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | City of Jefferson |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | S 6 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | City Of Jefferson |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| William Shannon | Son | — | 9 | ~1931 |
| Robert Shannon | Head | — | 42 | ~1898 |
| Sheila Shannon | Daughter | — | 4 | ~1936 |
| Thomas Shannon | Son | — | 2 | ~1938 |
| Keith Shannon | Son | — | 5 | ~1935 |
| Patricia Shannon | Daughter | — | 10 | ~1930 |
| Mary Shannon | Other | — | 20 | ~1920 |
| Leila Shannon | Spouse | — | 37 | ~1903 |
| James Shannon | Son | — | 12 | ~1928 |
Census Appearances
1930
Jefferson, Wisconsin
Other, age 3
Jefferson, Wisconsin · implied b. ~1927 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shannon |
| Given Name | James R |
| Relationship to Head | Gr son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Jefferson-County, Wisconsin
Son, age 12
Jefferson-County, Wisconsin · implied b. ~1928 — 9 household members
| Surname | Shannon |
| Given Name | James Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | City of Jefferson |
| 1935 Residence (County) | Jefferson |
| Highest Grade | S 6 |
| 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 Shannon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Shannon
Son · 1940 · age 12 · b. ~1928 · Wisconsin
★ You are viewing this record
Sibling
Sheila Shannon
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Shannon
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Keith Shannon
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Shannon
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Shannon
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 — Jefferson-County, Wisconsin
Open full size
1940 US Federal Census — Jefferson-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04485-00365)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carol Olive Eyell | 10 | Daughter | — | Wisconsin |
| 42 | Frank @ Lenz | 68 | Head | Mason | Wisconsin |
| 43 | Lizzie Lenz | 68 | Wife | — | Wisconsin |
| 44 | Marie Lenz | 37 | Daughter | — | Wisconsin |
| 45 | Edward Lenz | 29 | Son | Dayton | Wisconsin |
| 46 | Josephine Lenz | 26 | Daughter | Housework | Wisconsin |
| 47 | John @ Clayton | 32 | Head | Bottle Washer | Wisconsin |
| 48 | Ruth Clayton | 30 | Wife | Retail Sales Lady | Wisconsin |
| 49 | Vern Meyers | 31 | Head | Operator | Missouri |
| 50 | Lorayne Meyers | 28 | Wife | — | California |
| 51 | Le Roy Aumann | 29 | Head | Manager | Wisconsin |
| 52 | Angeline @ Aumann | 28 | Wife | Beautician | Wisconsin |
| 53 | Robert Shannon | 42 | Head | Salesman | Wisconsin |
| 54 | Leila Shannon | 37 | Wife | — | Wisconsin |
| 55 | James Robert Shannon THIS PERSON | 12 | Son | — | Wisconsin |
| 56 | Patricia Shannon | 10 | Daughter | — | Wisconsin |
| 57 | William Shannon | 9 | Son | — | Wisconsin |
| 58 | Keith Shannon | 5 | Son | — | Wisconsin |
| 59 | Sheila Shannon | 4 | Daughter | — | Wisconsin |
| 60 | Thomas Shannon | 2 | Son | — | Wisconsin |
| 61 | Mary Jane Shannon | 20 | Niece | Waitress | Wisconsin |
| 62 | Richard Silha | 35 | Head | Operator | Wisconsin |
| 63 | Josephine @ Silha | 27 | Wife | — | Wisconsin |
| 64 | Sheila Ann Silha | 1 | Daughter | — | Wisconsin |
| 65 | John @ Fromader | 70 | Head | — | Germany |
| 66 | Eva Fromader | 69 | Wife | — | Germany |
| 67 | Mrs. Ernestine Dehn | 70 | Head | — | Germany |
| 68 | Mrs. Frances @ Gross | 47 | Head | — | Wisconsin |
| 69 | Earl Ed. Gross | 18 | Son | — | Wisconsin |
| 70 | Alice Mary Gross | 15 | Daughter | — | Wisconsin |
| 71 | Robert John Gross | 12 | Son | — | Wisconsin |
| 72 | Everest Werner | 23 | Boarder | Band Sawyer | Wisconsin |
| 73 | David @ Bitton | 22 | Head | Filling Room | Wisconsin |
| 74 | Elaine Bitton | 22 | Wife | Filling Room | Wisconsin |
| 75 | Michael Jane Bitton | 1 | Daughter | — | Wisconsin |
| 76 | Harold @ Rumary | 27 | Head | Supervisor Of | Wisconsin |
| 77 | Antoinette Rumary | 22 | Wife | — | Wisconsin |
| 78 | Richard Lee Rumary | 2 | Daughter | — | Wisconsin |
| 79 | Ralph Sherman | 24 | Head | Engineer | Wisconsin |
| 80 | Florence @ Sherman | 25 | Wife | — | Wisconsin |
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)