MG
Mary Graves — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Eau-Claire-County, Wisconsin
Our Model Tree links this Mary Graves across the 1930 and 1940 US Censuses in Eau-Claire-County, Wisconsin (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 8-person household.
Age 39
b. ~1901
Female
Spouse
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Eau-Claire-County, Wisconsin |
| Surname | Graves |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Eau Claire City |
| 1935 Residence (County) | Eau Claire |
| Additional Details | |
| Occupation | Housekeeper |
| Industry | At Home |
| Class of Worker | NP |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Housekeeper |
| Township / Ward | Eau Claire City |
| Est. Birth Year | ~1901 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mahlon Graves | Son | — | 15 | ~1925 |
| Mary Graves | Spouse | — | 39 | ~1901 |
| Nila Graves | Daughter | — | 5 | ~1935 |
| Eleanor Graves | Daughter | — | 16 | ~1924 |
| Lucille Graves | Daughter | — | 13 | ~1927 |
| Warren Graves | Son | — | 10 | ~1930 |
| Warren Graves | Head | — | 47 | ~1893 |
| Robert Graves | Son | — | 4 | ~1936 |
Census Appearances
1930
Eau Claire, …
Other, age 29
Eau Claire, Wisconsin · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graves |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 21 |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Eau-Claire-County, Wisconsin
Spouse, age 39
Eau-Claire-County, Wisconsin · implied b. ~1901 — 8 household members
| Surname | Graves |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Eau Claire City |
| 1935 Residence (County) | Eau Claire |
| Occupation | Housekeeper |
| Industry | At Home |
| Class of Worker | NP |
| Highest Grade | No 8 |
| 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 Graves across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Graves
Spouse · 1940 · age 39 · b. ~1901 · Wisconsin
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Eau-Claire-County, Wisconsin
Open full size
1940 US Federal Census — Eau-Claire-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04477-00623)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paige Livingston | 54 | Head | Laborer | Wisconsin |
| 2 | Jennie Livingston | 29 | Daughter | Clerk | Wisconsin |
| 3 | Claire Livingston | 22 | Son | Shipping Clerk | Wisconsin |
| 4 | Arlen Livingston | 21 | Son | Laborer | Wisconsin |
| 5 | Shirley Livingston | 18 | Daughter | Waitress | Wisconsin |
| 6 | Francis Cavanaugh | 22 | Head | Laborer | Wisconsin |
| 7 | Gladys Cavanaugh | 20 | Wife | Housekeeper | Wisconsin |
| 8 | Bonnie Lou Cavanaugh | 0 | Daughter | — | Wisconsin |
| 9 | Henry Fuerst | 72 | Head | — | Wisconsin |
| 10 | Dora Fuerst | 62 | Wife | Housekeeper | Germany |
| 11 | B. H. Avery | 75 | Head | — | Wisconsin |
| 12 | Susan Avery | 81 | Wife | Housekeeper | Iowa |
| 13 | Webber Grace Avery | 37 | Grand Daughter | — | Wisconsin |
| 14 | Frank Koch | 63 | Head | Rubber Worker | Illinois |
| 15 | Fred Wear | 34 | Head | Shipping Clerk | Wisconsin |
| 16 | Etha Wear | 31 | Wife | Housekeeper | Wisconsin |
| 17 | Fred Jr. Wear | 8 | Son | — | Wisconsin |
| 18 | Marjorie Lee Wear | 4 | Daughter | — | Wisconsin |
| 19 | Warren Graves | 47 | Head | Manager Oil Station | Wisconsin |
| 20 | Mary Graves THIS PERSON | 39 | Wife | Housekeeper | Wisconsin |
| 21 | Eleanor Graves | 16 | Daughter | — | Wisconsin |
| 22 | Mahlon Graves | 15 | Son | — | Wisconsin |
| 23 | Lucille Graves | 13 | Daughter | — | Wisconsin |
| 24 | Warren Jr. Graves | 10 | Son | — | Wisconsin |
| 25 | Nila Graves | 5 | Daughter | — | Wisconsin |
| 26 | Robert Graves | 4 | Son | — | Wisconsin |
| 27 | Eldon Pitts | 42 | Head | Tire Builder | Wisconsin |
| 28 | Lillian Pitts | 45 | Wife | Housekeeper | Minnesota |
| 29 | W. G. Wahl | 72 | Head | — | Norway |
| 30 | Mathilda Wahl | 72 | Wife | Housekeeper | Wisconsin |
| 31 | Ralph Smith | 23 | Head | Machinist | Wisconsin |
| 32 | Eleanor Smith | 22 | Wife | Housekeeper | Wisconsin |
| 33 | Roderick Smith | 3 | Son | — | Wisconsin |
| 34 | Peter Mayeen | 58 | Head | Laborer | Wisconsin |
| 35 | Louise Mayeen | 56 | Wife | Housekeeper | Wisconsin |
| 36 | Mary Skatvold | 55 | Head | Housekeeper | Norway |
| 37 | Jessie Skatvold | 25 | Daughter | Stenographer | Wisconsin |
| 38 | Edward Holden | 59 | Head | Bookkeeper | Wisconsin |
| 39 | Ralph Holden | 32 | Son | Shipping Clerk | Wisconsin |
| 40 | Jane Holden | 24 | Wife | Housekeeper | 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)