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Helen Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Milwaukee-County, Wisconsin
Our Model Tree links this Helen Mason across the 1930 and 1940 US Censuses in Milwaukee-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Milwaukee-County, Wisconsin |
| Surname | Mason |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Milwaukee |
| 1935 Residence (County) | Milwaukee |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Milwaukee |
| Est. Birth Year | ~1929 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Ray Mason | Head | — | 39 | ~1901 |
| Loris Mason | Daughter | — | 6 | ~1934 |
| Bernard Mason | Son | — | 5 | ~1935 |
| Faynetta Mason | Daughter | — | 15 | ~1925 |
| Helen Mason | Daughter | — | 11 | ~1929 |
| Paul Mason | Son | — | 13 | ~1927 |
| Dola Mason | Spouse | — | 37 | ~1903 |
| Ruth Mason | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Milwaukee, Wisconsin
Daughter, age 1
Milwaukee, Wisconsin · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Helen D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kentucky |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Milwaukee-County, Wisconsin
Daughter, age 11
Milwaukee-County, Wisconsin · implied b. ~1929 — 8 household members
| Surname | Mason |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Milwaukee |
| 1935 Residence (County) | Milwaukee |
| Highest Grade | No 4 |
| 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 Helen Mason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Mason
Daughter · 1940 · age 11 · b. ~1929 · Wisconsin
★ You are viewing this record
Sibling
Faynetta Mason
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Mason
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loris Mason
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Mason
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Mason
Sibling · 1940 · age 9
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 — Milwaukee-County, Wisconsin
Open full size
1940 US Federal Census — Milwaukee-County, Wisconsin
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04552-00288)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Filson | 42 | Wife | — | Wisconsin |
| 42 | Irene Filson | 19 | Daughter | Glove Inspector | Wisconsin |
| 43 | Sherman Lathrop | 47 | Head | Clerk | Wisconsin |
| 44 | Minnie Lathrop | 45 | Wife | — | Wisconsin |
| 45 | Lila Lathrop | 19 | Daughter | Typist | Wisconsin |
| 46 | Valentine Holoran | 81 | Head | — | Poland |
| 47 | Harry E. Ladwig | 45 | Son-in-law | Foreman | Wisconsin |
| 48 | Stella Ladwig | 47 | Daughter | — | Wisconsin |
| 49 | Betty Ladwig | 10 | Granddaughter | — | Wisconsin |
| 50 | Martin Holoran | 71 | Brother | — | Poland |
| 51 | Andrew Dombeck | 36 | Head | Assembler | Wisconsin |
| 52 | Helen Dombeck | 36 | Wife | Seamless Knitter | Wisconsin |
| 53 | Robert Dombeck | 12 | Son | — | Wisconsin |
| 54 | Edward Penniferd | 62 | Head | Crane Operator | Wisconsin |
| 55 | Minnie Penniferd | 60 | Wife | — | Wisconsin |
| 56 | Joseph J. Klupa | 41 | Head | Baker | Wisconsin |
| 57 | Helen Klupa | 38 | Wife | — | Wisconsin |
| 58 | James Klupa | 15 | Son | New Worker | Wisconsin |
| 59 | Kenneth Klupa | 14 | Son | — | Wisconsin |
| 60 | Charles Pung | 53 | Head | Clerical Worker | Wisconsin |
| 61 | Robert Pung | 26 | Son | Salesman | Wisconsin |
| 62 | Bernard Pung | 24 | Son | Quarry Worker | Wisconsin |
| 63 | Theodore Pung | 17 | Son | — | Wisconsin |
| 64 | Edmund Zatorski | 32 | Head | Proprietor | Wisconsin |
| 65 | Joan Zatorski | 31 | Wife | — | Wisconsin |
| 66 | Dorothy Zatorski | 9 | Daughter | — | Wisconsin |
| 67 | Robert Zatorski | 4 | Son | — | Wisconsin |
| 68 | Ray Mason | 39 | Head | Salesman | Illinois |
| 69 | Dola Mason | 37 | Wife | — | Kentucky |
| 70 | Faynetta Mason | 15 | Daughter | — | Wisconsin |
| 71 | Paul Mason | 13 | Son | — | Wisconsin |
| 72 | Helen Mason THIS PERSON | 11 | Daughter | — | Wisconsin |
| 73 | Ruth Mason | 9 | Daughter | — | Wisconsin |
| 74 | Loris Mason | 6 | Daughter | — | Wisconsin |
| 75 | Bernard Mason | 5 | Son | — | Wisconsin |
| 76 | Edward Konkel | 42 | Head | Chipper | Wisconsin |
| 77 | Roy Konkel | 40 | Brother | — | Wisconsin |
| 78 | Harriet Kranich | 42 | Head | Pattern Maker | Wisconsin |
| 79 | Adeline Kranich | 20 | Daughter | — | 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)