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Margaret Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Margaret Mason across the 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Mason |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Brooklyn Center Village |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Brooklyn Center Village |
| Est. Birth Year | ~1925 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Elmer Mason | Head | — | 54 | ~1886 |
| M Mason | Daughter | — | 17 | ~1923 |
| Robert Mason | Son | — | 5 | ~1935 |
| Margaret Mason | Daughter | — | 15 | ~1925 |
| Mary Mason | Spouse | — | 48 | ~1892 |
| Clark Mason | Son | — | 27 | ~1913 |
| Eunice Mason | Daughter | — | 13 | ~1927 |
| Jean Mason | Daughter | — | 8 | ~1932 |
| Ralph Mason | Son | — | 20 | ~1920 |
Census Appearances
1930
Hennepin, Minnesota
Daughter, age 4
Hennepin, Minnesota · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | South Dakota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Daughter, age 15
Hennepin-County, Minnesota · implied b. ~1925 — 9 household members
| Surname | Mason |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Brooklyn Center Village |
| 1935 Residence (County) | Hennepin |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Margaret Mason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Mason
Daughter · 1940 · age 15 · b. ~1925 · Minnesota
★ You are viewing this record
Sibling
Robert Mason
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clark Mason
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eunice Mason
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
M Mason
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Mason
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Mason
Sibling · 1940 · age 8
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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01924-00531)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patricia Ann Lucky | 2 | Daughter | — | Illinois |
| 42 | Arne B. Rossiter | 38 | Head | Manager | Minnesota |
| 43 | Etta Campbell | 43 | Maid | Maid | Wisconsin |
| 44 | Henry Christianson | 31 | Head | Laborer | Iowa |
| 45 | Lillian Christianson | 27 | Wife | — | Iowa |
| 46 | Marilyn Christianson | 12 | Daughter | — | Minnesota |
| 47 | Joan Christianson | 7 | Daughter | — | Minnesota |
| 48 | Elmer Mason | 54 | Head | Clerk | Iowa |
| 49 | Mary E. Mason | 48 | Wife | — | Indiana |
| 50 | Clark Mason | 27 | Son | — | Minnesota |
| 51 | Ralph Mason | 20 | Son | Answering Phone | Wisconsin |
| 52 | M. Lois Mason | 17 | Daughter | — | Wisconsin |
| 53 | Margaret Mason THIS PERSON | 15 | Daughter | — | Minnesota |
| 54 | Eunice Mason | 13 | Daughter | — | Minnesota |
| 55 | Jean Mason | 8 | Daughter | — | Minnesota |
| 56 | Robert Mason | 5 | Son | — | Minnesota |
| 57 | Oscar L. Seward | 46 | Head | Airbrake Operator | Minnesota |
| 58 | Olga R. Seward | 37 | Wife | — | Missouri |
| 59 | Christina Seward | 74 | Mother | — | Sweden |
| 60 | Jeanette Seward | 21 | Niece | Folder | Minnesota |
| 61 | Mildred Seward | 19 | Niece | Folder | Minnesota |
| 62 | Irene R. Seward | 27 | Niece | Folder | Minnesota |
| 63 | Phillip Seward | 2 | Niece | — | Minnesota |
| 64 | Hillary Hendrickx | 33 | Head | Carpenter | Wisconsin |
| 65 | Ruth D. Hendrickx | 29 | Wife | — | Minnesota |
| 66 | Amanda Anderson | 49 | Head | Seamstress | Minnesota |
| 67 | Orville Anderson | 17 | Son | — | Minnesota |
| 68 | Steve Baldigo | 57 | Head | Manager | Poland |
| 69 | Eva Baldigo | 59 | Wife | — | Poland |
| 70 | Victoria Baldigo | 35 | Daughter | Stenographer | Massachusetts |
| 71 | Emma Baldigo | 29 | Daughter | Clerk | Minnesota |
| 72 | Edward Baldigo | 25 | Son | Interne | Minnesota |
| 73 | Ambrose Mannie | 63 | Head | Passer | Minnesota |
| 74 | Annie Mannie | 49 | Wife | Dishwasher | Minnesota |
| 75 | Louise Mannie | 33 | Daughter | — | Minnesota |
| 76 | Alice Mannie | 19 | Daughter | Waitress | Minnesota |
| 77 | Virgil Mannie | 32 | Step-son | Delivery Man | South Dakota |
| 78 | Virgil Jr. Mannie | 10 | Grandson | — | Minnesota |
| 79 | Donald Mannie | 7 | Grandson | — | Minnesota |
| 80 | Paul Mannie | 5 | Grandson | — | Minnesota |
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)