MJ
Mary Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Waukesha-County, Wisconsin
Our Model Tree links this Mary Jones across the 1920, 1930 and 1940 US Censuses in Waukesha-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 6-person household.
Age 61
b. ~1879
Female
Head
Born: Wisconsin
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Waukesha-County, Wisconsin |
| Surname | Jones |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Waukesha City |
| 1935 Residence (County) | Waukesha |
| Additional Details | |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Waukesha City |
| Est. Birth Year | ~1879 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Blodwen Anderson | Daughter | — | 12 | ~1928 |
| Daphne Sack | Daughter | — | 28 | ~1912 |
| Mary Jones | Head | — | 61 | ~1879 |
| August Sack | Other | — | 31 | ~1909 |
| George Anderson | Other | — | 14 | ~1926 |
| John Jones | Son | — | 33 | ~1907 |
Census Appearances
1920
Waukesha, Wisconsin
Head, age 41
Waukesha, Wisconsin · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Widowed |
| Birthplace | Wisconsin |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Waukesha, Wisconsin
Head, age 51
Waukesha, Wisconsin · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Widowed |
| Birthplace | Wisconsin |
| Age at First Marriage | 21 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Waukesha-County, Wisconsin
Head, age 61
Waukesha-County, Wisconsin · implied b. ~1879 — 6 household members
| Surname | Jones |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Waukesha City |
| 1935 Residence (County) | Waukesha |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 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 Mary Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Jones
Head · 1940 · age 61 · b. ~1879 · Wisconsin
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Waukesha-County, Wisconsin
Open full size
1940 US Federal Census — Waukesha-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04534-00670)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Adeline Gusek | 47 | Head | Wood Finisher | Wisconsin |
| 2 | Augusta Gusek | 46 | Wife | — | Illinois |
| 3 | Doris Gusek | 17 | Daughter | — | Wisconsin |
| 4 | Richard Gusek | 15 | Son | — | Wisconsin |
| 5 | Jack Gusek | 10 | Son | — | Wisconsin |
| 6 | Thomas Gusek | 8 | Son | — | Wisconsin |
| 7 | Gerald Gusek | 4 | Son | — | Wisconsin |
| 8 | Arnold Nelson | 34 | Head | Machinist | Wisconsin |
| 9 | Rachel Nelson | 34 | Wife | Clerk | Wisconsin |
| 10 | J. C. Neumann | 45 | Head | Machinist | Wisconsin |
| 11 | Martha Neumann | 37 | Wife | — | Wisconsin |
| 12 | Howard Neumann | 19 | Son | Machinist | Wisconsin |
| 13 | Patricia Neumann | 13 | Daughter | — | New York |
| 14 | Sharon Neumann | 2 | Daughter | 0 | Wisconsin |
| 15 | Vernon Logan | 30 | Head | Machinist | Wisconsin |
| 16 | Margaret Logan | 28 | Wife | — | Wisconsin |
| 17 | Douglas Logan | 4 | Son | — | Wisconsin |
| 18 | Beverly Logan | 0 | Daughter | — | Wisconsin |
| 19 | Frank Jr. Kennedy | 40 | Head | Tool Maker | Wisconsin |
| 20 | Eleanor Kennedy | 40 | Wife | — | Wisconsin |
| 21 | Patricia Kennedy | 13 | Daughter | — | Wisconsin |
| 22 | James Kennedy | 12 | Son | — | Wisconsin |
| 23 | David Kennedy | 9 | Son | — | Wisconsin |
| 24 | Jacqueline Kennedy | 8 | Daughter | — | Wisconsin |
| 25 | George Eastman | 71 | Father-in-law | — | Illinois |
| 26 | Lloyd Eastman | 35 | Brother-in-law | Printer | Wisconsin |
| 27 | Mary Jones THIS PERSON | 61 | Head | — | Wisconsin |
| 28 | John R. Jones | 33 | Son | Inspector | Wisconsin |
| 29 | Blodwen Anderson | 12 | Daughter | — | Wisconsin |
| 30 | George Anderson | 14 | Grandson | — | Wisconsin |
| 31 | Daphne Sack | 28 | Daughter | Nurse | Wisconsin |
| 32 | August Sack | 31 | Son-in-law | Salesman | Wisconsin |
| 33 | Raymond Wagner | 32 | Head | Cellar Man | Wisconsin |
| 34 | Dorothy Wagner | 28 | Wife | — | Wisconsin |
| 35 | Beverly Wagner | 7 | Daughter | — | Wisconsin |
| 36 | David Wagner | 4 | Son | — | Wisconsin |
| 37 | Richard Wehrwein | 63 | Head | Carpenter Maintenance | Wisconsin |
| 38 | Ida Wehrwein | 57 | Wife | — | Wisconsin |
| 39 | Juanita Wehrwein | 24 | Daughter | Beauty Op. | Minnesota |
| 40 | Leo C. Hickey | 39 | Head | Barber | 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)