MC
Mary Chase — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dane-County, Wisconsin
Our Model Tree links this Mary Chase across the 1920, 1930 and 1940 US Censuses in Dane-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Fred & Edith — first a daughter (b.~1913), then head of a 6-person household.
Age 27
b. ~1913
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dane-County, Wisconsin |
| Surname | Chase |
| Given Name | Mary Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Sun Prairie Village |
| 1935 Residence (County) | Dane |
| Additional Details | |
| Occupation | Telephone Operator |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 250 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Telephone Operator |
| Township / Ward | Sun Prairie Village |
| Est. Birth Year | ~1913 |
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 |
|---|---|---|---|---|
| Mary Chase | Daughter | — | 27 | ~1913 |
| Fred Chase | Head | — | 63 | ~1877 |
| John Chase | Son | — | 29 | ~1911 |
| Edith Chase | Spouse | — | 57 | ~1883 |
| Frederick Chase | Son | — | 25 | ~1915 |
| Bernadine Chase | Daughter | — | 33 | ~1907 |
Census Appearances
1920
Dane, Wisconsin
Daughter, age 6
Dane, Wisconsin · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Dane, Wisconsin
Daughter, age 17
Dane, Wisconsin · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Dane-County, Wisconsin
Daughter, age 27
Dane-County, Wisconsin · implied b. ~1913 — 6 household members
| Surname | Chase |
| Given Name | Mary Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Sun Prairie Village |
| 1935 Residence (County) | Dane |
| Occupation | Telephone Operator |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 250 |
| Highest Grade | C 4 |
| 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 Chase across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Chase (~0.92 confidence) and mother Edith Chase (~0.92 confidence) and mother Edith Chase (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Chase
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Edith Chase
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Edith Chase
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Chase
Daughter · 1940 · age 27 · b. ~1913 · Wisconsin
★ You are viewing this record
Sibling
Frederick Chase
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadine Chase
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Chase
Sibling · 1940 · age 29
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 — Dane-County, Wisconsin
Open full size
1940 US Federal Census — Dane-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04471-00585)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Melvin Harhart | 13 | Son | — | Wisconsin |
| 42 | Margaret Buss | 35 | Head | Housewife | Wisconsin |
| 43 | Dwayne Buss | 11 | Son | — | Wisconsin |
| 44 | Eugene Buss | 9 | Son | — | Wisconsin |
| 45 | Rosemary Buss | 5 | Daughter | — | Wisconsin |
| 46 | Francis Buss | 3 | Son | — | Wisconsin |
| 47 | Henry W. Schuck | 69 | Head | Farmer | Germany |
| 48 | Edith Schuck | 55 | Wife | Housewife | Wisconsin |
| 49 | Elmer Gardner | 37 | Head | Farm Hand | Wisconsin |
| 50 | Catherine Gardner | 37 | Wife | Finisher | Wisconsin |
| 51 | Marlene Rae Gardner | 2 | Daughter | — | Wisconsin |
| 52 | Virginia Buddy | 19 | Lodger | Waitress | North Dakota |
| 53 | Edith Grace Chase | 56 | Head | Housewife | Wisconsin |
| 54 | James Chase | 16 | Son | — | Wisconsin |
| 55 | Ella Crane | 85 | Mother | — | New York |
| 56 | Fred W. Chase | 63 | Head | Buyer | Wisconsin |
| 57 | Edith Chase | 57 | Wife | Housewife | Wisconsin |
| 58 | Bernadine A. Chase | 33 | Daughter | Technician | Wisconsin |
| 59 | John W. Chase | 29 | Son | Laborer | Wisconsin |
| 60 | Mary Catherine Chase THIS PERSON | 27 | Daughter | Telephone Operator | Wisconsin |
| 61 | Frederick L. Chase | 25 | Son | Contractor | Wisconsin |
| 62 | Arnold Kanicke | 40 | Head | Agent | Wisconsin |
| 63 | Ruth Kanicke | 37 | Wife | Teacher | Wisconsin |
| 64 | George Kanicke | 10 | Son | — | Wisconsin |
| 65 | Mary Kanicke | 7 | Daughter | — | Wisconsin |
| 66 | Lester Sydow | 35 | Head | Supervisor | Wisconsin |
| 67 | Helen Sydow | 26 | Wife | — | Wisconsin |
| 68 | David Sydow | 2 | Son | — | Wisconsin |
| 69 | James Sydow | 1 | Son | — | Wisconsin |
| 70 | Dorothy Terbacker | 16 | Lodger | — | Wisconsin |
| 71 | Hannah Thompson | 64 | Head | Housewife | Wisconsin |
| 72 | Emil Gerber | 62 | Head | Caretaker | Wisconsin |
| 73 | Jessie Gerber | 58 | Wife | Housewife | Wisconsin |
| 74 | Marlin Gerber | 19 | Son | Janitor | Wisconsin |
| 75 | Walter Wissing | 53 | Brother-in-law | Truck Driver | England |
| 76 | Peter Smith | 45 | Head | Merchant | Wisconsin |
| 77 | Mary Smith | 42 | Wife | Housewife | Wisconsin |
| 78 | Robert Smith | 14 | Son | — | Wisconsin |
| 79 | Eleanor Artman | 23 | Lodger | Teacher | Wisconsin |
| 80 | Lois Broetzman | 21 | Lodger | Teacher | Wisconsin |
Related Census Records
Pedigree Summary
Mary + 3 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 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)