MC
Margaret Cox — 1930 US Census Record
Model Tree available1930 United States Federal Census · Vernon, Wisconsin
Our Model Tree links this Margaret Cox across the 1920, 1930 and 1940 US Censuses in Vernon, Wisconsin (XGBoost, ~Confirmed), with identified parents Ralph & Walter — first a daughter (b.~1920), then head of a 7-person household.
Age 10
b. ~1920
Female
Daughter
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Vernon, Wisconsin |
| Surname | Cox |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Sterling Township |
| Est. Birth Year | ~1920 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Walter Cox | Head | — | 42 | ~1888 |
| Margaret Cox | Daughter | — | 10 | ~1920 |
| Edith Cox | Daughter | — | 3 | ~1927 |
| Sarah Cox | Spouse | — | 41 | ~1889 |
| Nellie Cox | Daughter | — | 17 | ~1913 |
| Iris Cox | Daughter | — | 12 | ~1918 |
| Lois Cox | Daughter | — | 15 | ~1915 |
Census Appearances
1920
Vernon, Wisconsin
Daughter, age
Vernon, Wisconsin · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Vernon, Wisconsin
Daughter, age 10
Vernon, Wisconsin · implied b. ~1920 — 7 household members
| Surname | Cox |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Vernon-County, Wisconsin
Other, age 18
Vernon-County, Wisconsin · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Mary Ann |
| Relationship to Head | servant |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Monroe |
| 1935 Residence (County) | Monroe |
| Occupation | Housekeeper |
| Industry | Farm home |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 150 |
| Highest Grade | Hs 8 |
| 1935 Residence | Wisconsin |
| 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 Margaret Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ralph Cox (~0.92 confidence) and father Walter Cox (~0.92 confidence) and mother Sarah Cox (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ralph Cox
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Walter Cox
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Sarah Cox
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Cox
Daughter · 1930 · age 10 · b. ~1920 · Wisconsin
★ You are viewing this record
Sibling
Iris Cox
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Cox
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Cox
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Cox
Sibling · 1930 · age 17
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
1930 US Federal Census — Vernon, Wisconsin
Open full size
1930 US Federal Census — Vernon, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2615unit:0353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Hunn | 58 | Head | Farmer | Wisconsin |
| 2 | Ada M Hunn | 39 | Wife | — | Wisconsin |
| 3 | Ida Ires Hunn | 15 | Daughter | — | Wisconsin |
| 4 | Rad Everett Hunn | 12 | Son | — | Washington |
| 5 | Thomas G Johnson | 56 | Head | Laborer | Wisconsin |
| 6 | Martha J Johnson | 50 | Wife | Farmer | Wisconsin |
| 7 | Kenneth G Johnson | 23 | Son | — | Wisconsin |
| 8 | Lucile G Sandwick | 13 | Niece | Laborer | Iowa |
| 9 | Inger Johnson | 87 | Mother | — | Norway |
| 10 | Olga Brandt | 63 | Servant | Servant | Wisconsin |
| 11 | Christ T Erickson | 62 | Head | Farmer | Wisconsin |
| 12 | Adolph Benson | 24 | Boarder | Laborer | Wisconsin |
| 13 | Olga Benson | 27 | Niece | — | Wisconsin |
| 14 | Fred Vance | 56 | Head | Farmer | Wisconsin |
| 15 | Vesta G Vance | 49 | Wife | — | Wisconsin |
| 16 | Phillip R Hayden | 12 | Orphan | — | Wisconsin |
| 17 | Frank J Hayden | 79 | Father in law | — | Maine |
| 18 | Walter Cox | 42 | Head | Farmer | Wisconsin |
| 19 | Sarah A Cox | 41 | Wife | — | Wisconsin |
| 20 | Nellie I Cox | 17 | Daughter | — | Wisconsin |
| 21 | Lois M Cox | 15 | Daughter | — | Wisconsin |
| 22 | Iris M Cox | 12 | Daughter | — | Wisconsin |
| 23 | Margaret Cox THIS PERSON | 10 | Daughter | — | Wisconsin |
| 24 | Edith H Cox | 3 | Daughter | — | Wisconsin |
| 25 | Sever A Erickson | 26 | Head | Farmer | Wisconsin |
| 26 | Hazel V Erickson | 22 | Wife | — | Wisconsin |
| 27 | Howard L Erickson | 8 | Son | — | Wisconsin |
| 28 | Sherman L Erickson | 6 | Son | — | Wisconsin |
| 29 | Kenneth E Erickson | 5 | Son | — | Wisconsin |
| 30 | Charles J Erickson | 1 | Son | — | Wisconsin |
| 31 | Carlotta J Erickson | 1 | Daughter | — | Wisconsin |
| 32 | Melvin H Quinn | 48 | Head | Farmer | Wisconsin |
| 33 | Anna O Quinn | 51 | Wife | — | Wisconsin |
| 34 | Vera B Quinn | 12 | Daughter | — | Wisconsin |
| 35 | Opal M Quinn | 11 | Daughter | — | Wisconsin |
| 36 | Margaret L Quinn | 9 | Daughter | — | Wisconsin |
| 37 | Martin R Quinn | 8 | Son | — | Wisconsin |
| 38 | Oluf Olson | 78 | Boarder | — | Norway |
| 39 | Cornelius Erickson | 49 | Head | — | Norway |
| 40 | Betsy Erickson | 56 | Wife | Farmer | Wisconsin |
| 41 | Vigher Erickson | 16 | Son | — | Wisconsin |
| 42 | Stanley P Erickson | 23 | Head | Farmer | Wisconsin |
| 43 | Clara Erickson | 22 | Wife | — | Wisconsin |
| 44 | Anna Olson | 66 | Mother in law | — | Norway |
| 45 | Melvin Olson | 28 | Laborer | Laborer | Wisconsin |
| 46 | Russell P Peterson | 23 | Head | Farmer | Wisconsin |
| 47 | Lola E Peterson | 22 | Wife | — | Wisconsin |
| 48 | Vivian C Peterson | 1 | Daughter | — | Wisconsin |
| 49 | Donald E Morley | 20 | Boarder | Laborer | Wisconsin |
| 50 | Henry Peterson | 55 | Head | Farmer | Norway |
Pedigree Summary
Margaret + 4 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)