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Joseph Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · La-Crosse-County, Wisconsin
Our Model Tree links this Joseph Mason across the 1930 and 1940 US Censuses in La-Crosse-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | La-Crosse-County, Wisconsin |
| Surname | Mason |
| Given Name | Joseph M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Bangor Town |
| 1935 Residence (County) | La Crosse |
| Additional Details | |
| Occupation | Student |
| Industry | Teachers College |
| Income (1939) | 0 |
| Highest Grade | S 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Student |
| Township / Ward | Bangor Town |
| Est. Birth Year | ~1921 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Patricia Mason | Daughter | — | 10 | ~1930 |
| Mary Mason | Spouse | — | 47 | ~1893 |
| William Mason | Son | — | 13 | ~1927 |
| Harry Mason | Head | — | 50 | ~1890 |
| Mary Mason | Daughter | — | 21 | ~1919 |
| Lawrence Mason | Son | — | 15 | ~1925 |
| Eugene Mason | Son | — | 17 | ~1923 |
| Joseph Mason | Son | — | 19 | ~1921 |
Census Appearances
1930
La Crosse, …
Son, age 9
La Crosse, Wisconsin · implied b. ~1921 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
La-Crosse-County, Wisconsin
Son, age 19
La-Crosse-County, Wisconsin · implied b. ~1921 — 8 household members
| Surname | Mason |
| Given Name | Joseph M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Bangor Town |
| 1935 Residence (County) | La Crosse |
| Occupation | Student |
| Industry | Teachers College |
| Income (1939) | 0 |
| Highest Grade | S 8 |
| 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 Joseph Mason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Mason
Son · 1940 · age 19 · b. ~1921 · Wisconsin
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Sibling
Lawrence Mason
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mason
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mason
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Mason
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Mason
Sibling · 1940 · age 10
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 — La-Crosse-County, Wisconsin
Open full size
1940 US Federal Census — La-Crosse-County, Wisconsin
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04490-00011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lloyd Olson | 19 | Hired man | Farmer | Wisconsin |
| 42 | Elmer Amborn | 54 | Head | Farmer | Wisconsin |
| 43 | Myrtle Amborn | 46 | Wife | Housekeeper | Wisconsin |
| 44 | Roy Amborn | 20 | Son | Farmer | Wisconsin |
| 45 | Elmer Jr. Amborn | 14 | Son | Farmer | Wisconsin |
| 46 | George Sr. Amborn | 87 | Father | Retired | Wisconsin |
| 47 | Stella Amborn | 36 | Boarder | Teacher | Wisconsin |
| 48 | August Niedfeldt | 50 | Head | Farmer | Wisconsin |
| 49 | Dora Niedfeldt | 50 | Wife | Housekeeper | Wisconsin |
| 50 | Floyd Niedfeldt | 13 | Son | — | Wisconsin |
| 51 | Lloyd Niedfeldt | 13 | Son | — | Wisconsin |
| 52 | Margaret Niedfeldt | 11 | Daughter | — | Wisconsin |
| 53 | Henry Wehrenberg | 24 | Hired man | Farmer | Wisconsin |
| 54 | David Brownell | 29 | Head | Truck Driver | Wisconsin |
| 55 | Shirley Brownell | 22 | Wife | Housekeeper | Wisconsin |
| 56 | Vincent Paulus | 33 | Head | Mechanic | Wisconsin |
| 57 | Mary Paulus | 29 | Wife | Housekeeping | Wisconsin |
| 58 | Eugene Paulus | 5 | Son | — | Wisconsin |
| 59 | Carl Johnson | 64 | Head | Farmer | Norway |
| 60 | Mary Johnson | 58 | Wife | Housekeeping | Wisconsin |
| 61 | Adeline Johnson | 33 | Daughter | Housekeeping | Wisconsin |
| 62 | Raymond Johnson | 27 | Son | Farmer | Wisconsin |
| 63 | Marvin Johnson | 24 | Son | Farmer | Wisconsin |
| 64 | Orvis Johnson | 22 | Son | Farmer | Wisconsin |
| 65 | Oscar Johnson | 41 | Head | Farmer | Wisconsin |
| 66 | Mary Johnson | 37 | Wife | Housekeeper | Wisconsin |
| 67 | Sylvia Johnson | 19 | Daughter | — | Wisconsin |
| 68 | Vergil Johnson | 18 | Son | Farmer | Wisconsin |
| 69 | Phyllis Johnson | 17 | Daughter | — | Wisconsin |
| 70 | Robert Johnson | 15 | Son | — | Wisconsin |
| 71 | Catharine Johnson | 12 | Daughter | — | Wisconsin |
| 72 | Harry J. Mason | 50 | Head | Farmer | Wisconsin |
| 73 | Mary A. Mason | 47 | Wife | Housekeeper | Wisconsin |
| 74 | Mary Ellen Mason | 21 | Daughter | Teacher | Wisconsin |
| 75 | Joseph M. Mason THIS PERSON | 19 | Son | Student | Wisconsin |
| 76 | Eugene L. Mason | 17 | Son | Ccc Camp | Wisconsin |
| 77 | Lawrence Mason | 15 | Son | — | Wisconsin |
| 78 | William L. Mason | 13 | Son | — | Wisconsin |
| 79 | Patricia M. Mason | 10 | Daughter | — | Wisconsin |
Related Census Records
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)