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Mary Andrews — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Mary Andrews across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Alfred & Patrick — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Female
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Andrews |
| Given Name | Mary H. |
| Relationship to Head | Son |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | New Worker |
| Hours Worked | 3 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | New Worker |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1918 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Catherine Andrews | Head | — | 48 | ~1892 |
| Patrick Andrews | Son | — | 24 | ~1916 |
| Mary Andrews | Son | — | 22 | ~1918 |
Census Appearances
1920
King, Washington
Daughter, age 1
King, Washington · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Andrews |
| Given Name | Mary F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Washington |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Daughter, age 12
King, Washington · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Andrews |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Washington |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 22
King-County, Washington · implied b. ~1918 — 3 household members
| Surname | Andrews |
| Given Name | Mary H. |
| Relationship to Head | Son |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Occupation | New Worker |
| Hours Worked | 3 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Andrews across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alfred Andrews (~0.92 confidence) and father Patrick Andrews (~0.92 confidence) and mother Catherine Andrews (~0.92 confidence) and mother Catherine Andrews (~0.92 confidence) and mother Kathryn Andrews (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Andrews
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Patrick Andrews
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Catherine Andrews
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Catherine Andrews
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Kathryn Andrews
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Andrews
Son · 1940 · age 22 · b. ~1918 · Washington
★ You are viewing this record
Sibling
Patrick Andrews
Sibling · 1940 · age 24
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 — 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-t0627-04375-00627)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Miller | 45 | Head | New Worker | Minnesota |
| 42 | Peter Miller | 20 | Son | — | Washington |
| 43 | Mary Jane Miller | 16 | Daughter | — | Washington |
| 44 | Myrtle Miller | 12 | Daughter | — | Washington |
| 45 | Virginia Miller | 10 | Daughter | — | Washington |
| 46 | William Miller | 8 | Son | — | Washington |
| 47 | Richard Miller | 7 | Son | — | Washington |
| 48 | Thomas Miller | 5 | Son | — | Washington |
| 49 | Charles Harper | 76 | Head | — | Ohio |
| 50 | Martine Harper | 69 | Wife | — | Denmark |
| 51 | Mike Gallagher | 64 | Head | Truck Driver | North Ireland |
| 52 | Mary Gallagher | 63 | Wife | — | North Ireland |
| 53 | James H. Gallagher | 22 | Son | Salesman | Washington |
| 54 | Birdie Huth | 35 | Daughter | Stenographer | Washington |
| 55 | Arthur Osborn | 41 | Head | Salesman | Colorado |
| 56 | Harriett Osborn | 36 | Wife | — | Montana |
| 57 | Richard White | 16 | Son | Paper Carrier | Montana |
| 58 | Betty Jo White | 14 | Daughter | — | Montana |
| 59 | Catherine Andrews | 48 | Head | — | Washington |
| 60 | Patrick J. Andrews | 24 | Son | Assistant Manager | Washington |
| 61 | Mary H. Andrews THIS PERSON | 22 | Son | New Worker | Washington |
| 62 | Wayne Butsch | 36 | Head | Ticket Clerk | Kansas |
| 63 | Caroline Butsch | 38 | Wife | — | Washington |
| 64 | Carol Roberts | 5 | Niece | — | Montana |
| 65 | Donald G. Daugherty | 35 | Head | Salesman | Michigan |
| 66 | Bernadine Daugherty | 32 | Wife | — | Washington |
| 67 | Donald A. Daugherty | 5 | Son | — | Washington |
| 68 | Dora Daugherty | 2 | Daughter | — | Washington |
| 69 | Nicholas Tanningen | 65 | Head | — | Canada-English |
| 70 | Mary Tanningen | 63 | Wife | — | Wisconsin |
| 71 | None Ends Block 49 And Begins Block 50 | None | — | — | — |
| 72 | Sidney G. Jones | 47 | Head | Music Teacher | England |
| 73 | Katherine Jones | 48 | Wife | — | Washington |
| 74 | Donald Jones | 19 | Son | Paper Carrier | Washington |
| 75 | Stanely Jones | 15 | Son | — | Washington |
| 76 | Warren Jones | 9 | Son | — | Washington |
| 77 | Ivan Prothero | 33 | Head | Cook | Kentucky |
| 78 | Esther Prothero | 24 | Wife | — | Washington |
| 79 | Gary Prothero | 2 | Son | — | Washington |
| 80 | Arthur R. Stewart | 30 | Head | Assistant Circulation | Washington |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 5 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)