MC
Mary Casey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grant-County, Washington
Our Model Tree links this Mary Casey across the 1920, 1930 and 1940 US Censuses in Grant-County, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 5-person household.
Age 52
b. ~1888
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grant-County, Washington |
| Surname | Casey |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Grant |
| Naturalization Status | Naturalized |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H-5 |
| 1935 Residence | Washington |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Quincy Town |
| Est. Birth Year | ~1888 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alice Casey | Daughter | — | 26 | ~1914 |
| Frances Casey | Daughter | — | 20 | ~1920 |
| Frank Casey | Head | — | 64 | ~1876 |
| John Casey | Son | — | 15 | ~1925 |
| Mary Casey | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Grant, Washington
Spouse, age 36
Grant, Washington · implied b. ~1884 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1910 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1910 |
| Birthplace (normalized) | scotland |
1930
Grant, Washington
Spouse, age 45
Grant, Washington · implied b. ~1885 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 25 |
| Father's Birthplace | North Ireland |
| Mother's Birthplace | North Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Grant-County, Washington
Spouse, age 52
Grant-County, Washington · implied b. ~1888 — 5 household members
| Surname | Casey |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Grant |
| Naturalization Status | Naturalized |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H-5 |
| 1935 Residence | Washington |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Casey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Casey
Spouse · 1940 · age 52 · b. ~1888 · Washington
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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 — Grant-County, Washington
Open full size
1940 US Federal Census — Grant-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04339-00286)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Orla A. Brown | 66 | Head | Butcher | Indiana |
| 2 | Ida M. Brown | 63 | Wife | — | Illinois |
| 3 | Frank Casey | 64 | Head | Maintenance Supervisor | Ireland |
| 4 | Mary A. Casey THIS PERSON | 52 | Wife | — | Scotland |
| 5 | Alice P. Casey | 26 | Daughter | Deputy Clerk | Washington |
| 6 | Frances E. Casey | 20 | Daughter | Stenographer | Washington |
| 7 | John D. Casey | 15 | Son | — | Washington |
| 8 | Earl Q. Simmons | 59 | Head | Salesman | Iowa |
| 9 | Bessie E. Simmons | 53 | Wife | — | Wisconsin |
| 10 | Dean P. Simmons | 15 | Son | — | Washington |
| 11 | Don B. Simmons | 13 | Son | — | Washington |
| 12 | Milo Cox | 77 | Head | — | Illinois |
| 13 | Tony F. Geller | 44 | Head | Janitor | Minnesota |
| 14 | Clara A. Geller | 47 | Wife | — | N. Dakota |
| 15 | Joe Geller | 23 | Son | Farm Laborer | Washington |
| 16 | Bernadine Geller | 18 | Daughter | Cook | Washington |
| 17 | Dolores Geller | 6 | Daughter | — | Washington |
| 18 | Mariel R. Layport | 73 | Head | Farm Laborer | Iowa |
| 19 | Carl Bruce | 25 | Lodger | Farm Laborer | Washington |
| 20 | Paul F. Norwick | 27 | Head | Farm Laborer | Washington |
| 21 | Audrey Norwick | 24 | Wife | Hair Dresser | Washington |
| 22 | Diane Norwick | 1 | Daughter | — | Washington |
| 23 | Mildred B. Baughman | 56 | Head | — | Iowa |
| 24 | Dean Baughman | 22 | Son | — | Washington |
| 25 | George M. Perry | 74 | Head | — | Wisconsin |
| 26 | Ralph A. Spayer | 31 | Head | Assistant | Washington |
| 27 | Bertha A. Spayer | 30 | Wife | — | Washington |
| 28 | Alan R. Spayer | 8 | Son | — | Washington |
| 29 | Gloria M. Spayer | 7 | Daughter | — | Washington |
| 30 | Dorothy J. Spayer | 5 | Daughter | — | Washington |
| 31 | John F. O'Connell | 78 | Head | — | Wisconsin |
| 32 | Marcus R. Shepherd | 83 | Head | — | S. Carolina |
| 33 | Artie M. Shepherd | 61 | Wife | — | Kentucky |
| 34 | John A. Shepherd | 27 | Son | Tester | Washington |
| 35 | Damon Shepherd | 24 | Son | — | Washington |
| 36 | Howard U. Shepherd | 23 | Son | Farm Laborer | Washington |
| 37 | Porter Rice | 69 | Brother-in-law | Operator | Kentucky |
| 38 | Dora Daniels | 70 | Sister-in-law | — | Kentucky |
| 39 | Joseph J. Hale | 57 | Head | Farm Laborer | Kentucky |
| 40 | Margaret A. Hale | 57 | Wife | — | Canada |
Related Census Records
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)