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John Marshall — 1940 US Census Record
Model Tree available1940 United States Federal Census · Milwaukee-County, Wisconsin
Our Model Tree links this John Marshall across the 1920, 1930 and 1940 US Censuses in Milwaukee-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Sarah & George — first a head (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Milwaukee-County, Wisconsin |
| Surname | Marshall |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Milwaukee City |
| 1935 Residence (County) | Milwaukee |
| Additional Details | |
| Occupation | Fireman |
| Industry | City Fireman |
| Class of Worker | GW |
| Hours Worked | 84 |
| Income (1939) | 2100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Fireman |
| Township / Ward | Milwaukee City |
| Est. Birth Year | ~1902 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Marshall | Daughter | — | 11 | ~1929 |
| John Marshall | Head | — | 38 | ~1902 |
| Helen Marshall | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Milwaukee, Wisconsin
Son, age 17
Milwaukee, Wisconsin · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | John C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Milwaukee, Wisconsin
Son, age 27
Milwaukee, Wisconsin · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 22 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Salesman |
| Industry | Department Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Milwaukee-County, Wisconsin
Head, age 38
Milwaukee-County, Wisconsin · implied b. ~1902 — 3 household members
| Surname | Marshall |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Milwaukee City |
| 1935 Residence (County) | Milwaukee |
| Occupation | Fireman |
| Industry | City Fireman |
| Class of Worker | GW |
| Hours Worked | 84 |
| Income (1939) | 2100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 John Marshall across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sarah Merrill (~0.92 confidence) and father George Marshall (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sarah Merrill
b. ~1861
Source mother
● Household
· direct · ~0.92
Father
George Marshall
b. ~1879
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Marshall
Head · 1940 · age 38 · b. ~1902 · Wisconsin
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Milwaukee-County, Wisconsin
Open full size
1940 US Federal Census — Milwaukee-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04564-00547)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence Seefeld | 40 | Head | Bank Teller | Illinois |
| 2 | Leona Seefeld | 35 | Wife | — | Wisconsin |
| 3 | Eugene Seefeld | 7 | Son | — | Wisconsin |
| 4 | Victor Best | 60 | Head | Superintendent | Pennsylvania |
| 5 | Mabel Best | 55 | Wife | — | Pennsylvania |
| 6 | Jean Best | 24 | Daughter | — | Pennsylvania |
| 7 | La Verne Magnus | 37 | Head | Assessor | Wisconsin |
| 8 | Lois Magnus | 32 | Wife | Clerical Work | Nebraska |
| 9 | William Magnus | 9 | Son | — | Wisconsin |
| 10 | Elizabeth Breunger | 61 | Mother-in-law | — | Wisconsin |
| 11 | Robert Bennett | 70 | Head | — | New York |
| 12 | Anna Bennett | 61 | Wife | — | Michigan |
| 13 | Robert Jr. Bennett | 27 | Son | Cabinet Maker | Michigan |
| 14 | Lewis Bennett | 22 | Son | New Worker | Wisconsin |
| 15 | John Brzycki | 39 | Head | Foreman | Poland |
| 16 | Agnes Brzycki | 38 | Wife | — | Wisconsin |
| 17 | George Brzycki | 15 | Son | New Worker | Wisconsin |
| 18 | Henry Brzycki | 12 | Son | — | Wisconsin |
| 19 | Leonard Brzycki | 6 | Son | — | Wisconsin |
| 20 | Harvey Talbert | 35 | Head | Linotype Operator | Wisconsin |
| 21 | Mildred Talbert | 34 | Daughter | — | Wisconsin |
| 22 | Roger Talbert | 7 | Son | — | Wisconsin |
| 23 | Sandra Talbert | 3 | Daughter | — | Wisconsin |
| 24 | Bruno Czaplewski | 55 | Head | Metalwork | Wisconsin |
| 25 | Maude Czaplewski | 48 | Wife | — | Poland |
| 26 | Eugene Czaplewski | 19 | Son | — | Wisconsin |
| 27 | Nina Czaplewski | 23 | Daughter | Moulder | Wisconsin |
| 28 | William Jens | 60 | Head | Moulder | Wisconsin |
| 29 | Anna Jens | 56 | Wife | Machinist | Wisconsin |
| 30 | Stanley Jankowski | 58 | Head | Machinist | Wisconsin |
| 31 | Verona Jankowski | 45 | Wife | — | Wisconsin |
| 32 | Richard Jankowski | 17 | Son | — | Wisconsin |
| 33 | Dolores Jankowski | 16 | Daughter | — | Wisconsin |
| 34 | John Marshall THIS PERSON | 38 | Head | Fireman | Wisconsin |
| 35 | Helen Marshall | 37 | Wife | — | Wisconsin |
| 36 | Dorothy Marshall | 11 | Daughter | — | Wisconsin |
| 37 | Sebastian Jankowski | 38 | Head | Trombone Player | Wisconsin |
| 38 | Rosalie Jankowski | 38 | Wife | — | Wisconsin |
| 39 | Ella Baum | 51 | Head | Clerical | Wisconsin |
| 40 | Lorraine Baum | 24 | Daughter | — | Wisconsin |
Pedigree Summary
John
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)