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Martha Bailey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · King-County, Washington
Our Model Tree links this Martha Bailey across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 2-person household.
Age 64
b. ~1876
Female
Head
Born: Mississippi
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Bailey |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Mississippi |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1876 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Bailey | Daughter | — | 29 | ~1911 |
| Martha Bailey | Head | — | 64 | ~1876 |
Census Appearances
1920
King, Washington
Spouse, age 45
King, Washington · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | Martha S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Father's Birthplace | Alabama |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
King, Washington
Spouse, age 54
King, Washington · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | Martha A |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 30 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
King-County, Washington
Head, age 64
King-County, Washington · implied b. ~1876 — 2 household members
| Surname | Bailey |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Mississippi |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Martha Bailey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Bailey
Head · 1940 · age 64 · b. ~1876 · 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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04380-00301)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph J. Maier | 36 | Head | Truck Driver | Pennsylvania |
| 2 | Pearl E. Maier | 33 | Wife | Saleslady | Washington |
| 3 | Fabin F. Dolan | 32 | Head | Owner-Manager | Iowa |
| 4 | Frank P. Brewer | 84 | Head | — | Massachusetts |
| 5 | Ida L. Brewer | 66 | Wife | Switchboard | Wisconsin |
| 6 | Alice M. Kenney | 54 | Head | Waitress | Illinois |
| 7 | Wilma Kenney | 21 | Daughter | Saleslady | Washington |
| 8 | Rolland G. Owens | 31 | Head | Delivery Man | South Dakota |
| 9 | M. June Owens | 30 | Wife | Telephone Operator | South Dakota |
| 10 | Marion Wilson | 24 | Head | Waitress | Wisconsin |
| 11 | Selma Johnson | 22 | Partner | Waitress | Wisconsin |
| 12 | Carl T. Holbrook | 46 | Head | Room Clerk | Maine |
| 13 | Alice R. Holbrook | 77 | Mother | — | Maine |
| 14 | Martha Bailey THIS PERSON | 64 | Head | — | Mississippi |
| 15 | Nan Bailey | 29 | Daughter | Auditor | Washington |
| 16 | Margaret M. Walker | 76 | Head | Practitioner | Scotland |
| 17 | Ewell Uden | 60 | Head | Owner-Manager | Texas |
| 18 | Ella R. Uden | 55 | Wife | — | Pennsylvania |
| 19 | Beryl H. Groves | 52 | Head | — | Washington |
| 20 | Belle Nelson | 73 | Head | Seamstress | Wisconsin |
| 21 | Dorothy Trickey | 63 | Sister | — | Minnesota |
| 22 | Erin O. Kemp | 58 | Head | Insurance Sales | Iowa |
| 23 | Florence Kemp | 56 | Wife | — | Iowa |
| 24 | Charlotte I. Lund | 19 | Head | Secretary | Minnesota |
| 25 | Betty J. Carey | 19 | Partner | Usherette | Wyoming |
| 26 | Ethel Christopherson | 19 | Partner | Cashier | Washington |
| 27 | Mildred Mather | 21 | Partner | Saleslady | Washington |
| 28 | Rosette Grunefeld | 70 | Head | — | Germany |
| 29 | Werner Grunefeld | 34 | Son | Bookkeeper | Germany |
| 30 | Hartley M. Stajohann | 28 | Head | Able Seaman | California |
| 31 | Arline Stajohann | 18 | Wife | — | Washington |
| 32 | William H. Dahl | 47 | Head | Salesman | Wisconsin |
| 33 | Bernice M. Dahl | 46 | Wife | Telephone Operator | Illinois |
| 34 | Donald B. Warner | 73 | Head | Manager | Canada-English |
| 35 | Etta Warner | 56 | Wife | — | Michigan |
| 36 | Edith Warner | 34 | Daughter | Switchboard | Michigan |
| 37 | Albert Robinson | 43 | Head | Stock Clerk | England |
| 38 | Violet M. Robinson | 39 | Wife | Switchboard | Canada-French |
| 39 | Robert L. Fletcher | 52 | Head | Civil Engineer | Maine |
| 40 | Keith H.D. Weaver | 21 | Head | Dentist | 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)