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Margaret Mccormick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pierce-County, Washington
Our Model Tree links this Margaret Mccormick across the 1910, 1920, 1930 and 1940 US Censuses in Pierce-County, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 4-person household.
Age 56
b. ~1884
Female
Spouse
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, Washington |
| Surname | McCormick |
| Given Name | Margaret M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Tacoma |
| 1935 Residence (County) | Pierce |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Tacoma |
| Est. Birth Year | ~1884 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| John Mccormick | Head | — | 59 | ~1881 |
| Thomas Mccormick | Son | — | 19 | ~1921 |
| Margaret Mccormick | Spouse | — | 56 | ~1884 |
| Catherine Mccormick | Daughter | — | 27 | ~1913 |
Census Appearances
1910
Pierce, Washington
Spouse, age 26
Pierce, Washington · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Kansas |
| Years Married | 4 |
| Children Born | 2 |
| Children Living | 1 |
| Father's Birthplace | New York |
| Mother's Birthplace | Kansas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Pierce, Washington
Spouse, age 36
Pierce, Washington · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormack |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Kansas |
| Father's Birthplace | New York |
| Mother's Birthplace | Kansas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Pierce, Washington
Other, age 46
Pierce, Washington · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Margaret |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 22 |
| Father's Birthplace | New York |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Pierce-County, Washington
Spouse, age 56
Pierce-County, Washington · implied b. ~1884 — 4 household members
| Surname | McCormick |
| Given Name | Margaret M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Tacoma |
| 1935 Residence (County) | Pierce |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Mccormick across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Mccormick
Spouse · 1940 · age 56 · b. ~1884 · 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 — Pierce-County, Washington
Open full size
1940 US Federal Census — Pierce-County, Washington
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04389-00229)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Myrtle M Bowler | 52 | Wife | — | Washington |
| 42 | Arthur W. Stegman | 61 | Head | Steel Bridge Inspector | Wisconsin |
| 44 | Hannah M. Larson | 67 | Head | — | Sweden |
| 45 | J. Richard Larson | 27 | Son | Clerk | Washington |
| 46 | Paul M. Anderson | 44 | Head | Supervisor Toll Division | North Dakota |
| 47 | Genevieve M. Anderson | 45 | Wife | — | Minnesota |
| 48 | Marilyn Jean Anderson | 12 | Daughter | — | Washington |
| 49 | Paul Cowles Anderson | 8 | Son | — | Washington |
| 50 | Thomas S. Fleming | 40 | Head | Supervisor | North Dakota |
| 51 | Violet L. Fleming | 33 | Wife | — | North Dakota |
| 52 | Robert E. Fleming | 7 | Son | — | Washington |
| 53 | William F. Miller | 49 | Head | Salesman | Massachusetts |
| 54 | Sylvia Miller | 37 | Wife | — | Wisconsin |
| 55 | William F. Jr. Miller | 17 | Son | — | Washington |
| 56 | Hilda Kendall | 68 | Mother-in-law | — | Norway |
| 57 | William J. Narbonne | 41 | Head | Patrolman | Wisconsin |
| 58 | Lola M. Narbonne | 40 | Wife | — | Oklahoma |
| 59 | Floyd Widner | 34 | Head | Superintendent | Washington |
| 60 | Audren B. M. Widner | 32 | Wife | — | Washington |
| 61 | Richard G. Widner | 7 | Son | — | Washington |
| 62 | Dale E. Widner | 6 | Son | — | Washington |
| 63 | Shirley Ann Widner | 4 | Daughter | — | Washington |
| 64 | Walter S. Mark | 64 | Head | Machinist Foreman | Canada English |
| 65 | Elizabeth Mark | 51 | Wife | — | Minnesota |
| 66 | Janis E. Mark | 15 | Daughter | — | Washington |
| 67 | Benjamin W. Mclorinan | 46 | Head | Machinist | Minnesota |
| 68 | Vivian R. Mclorinan | 38 | Wife | Operator | Minnesota |
| 69 | Eugene B. Mclorinan | 19 | Son | Carpenter'S Helper | Washington |
| 70 | Elaine Ruth Mclorinan | 14 | Daughter | — | Washington |
| 71 | Lois Mae Mclorinan | 12 | Daughter | — | Washington |
| 72 | Godfrey C. Ottosen | 41 | Lodger | Carpenter & Contractor | Minnesota |
| 73 | Louis H. Ottosen | 14 | Lodger's son | — | Washington |
| 74 | John T. Mccormick | 59 | Head | Clerk | Canada English |
| 75 | Margaret M. Mccormick THIS PERSON | 56 | Wife | — | Kansas |
| 76 | Catherine A. Mccormick | 27 | Daughter | Clerk | Washington |
| 77 | Thomas J. Mccormick | 19 | Son | Clerk And Assistant Manager | Washington |
| 78 | Frank C. Mahon | 51 | Head | Architect | Washington |
| 79 | Mary A. Mahon | 48 | Wife | — | Oklahoma |
| 80 | Mildred F. Mahon | 24 | Daughter | — | Washington |
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)