MR
Mary Roberts — 1930 US Census Record
Linked across censuses1930 United States Federal Census · King, Washington
Our Model Tree links this Mary Roberts across the 1920, 1930 and 1940 US Censuses in King, Washington (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 3-person household.
Age 62
b. ~1868
Female
Head
Born: Wales
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | King, Washington |
| Surname | Roberts |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 22 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Welsh |
| Home Owned/Rented | O |
| Home Value / Rent | 1250 |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Township / Ward | City Of Seattle |
| Est. Birth Year | ~1868 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Roberts | Daughter | — | 31 | ~1899 |
| Mary Roberts | Head | — | 62 | ~1868 |
| William Roberts | Other | — | 28 | ~1902 |
Census Appearances
1920
King, Washington
Spouse, age 53
King, Washington · implied b. ~1867 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Wales |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1930
King, Washington
Head, age 62
King, Washington · implied b. ~1868 — 3 household members
| Surname | Roberts |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 22 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Mother Tongue | Welsh |
| Home Owned/Rented | O |
| Home Value / Rent | 1250 |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
King-County, Washington
Other, age 72
King-County, Washington · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Mary A. |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | Wales |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Naturalization Status | Naturalized |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 Roberts 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 Roberts
Head · 1930 · age 62 · b. ~1868 · Washington
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — King, Washington
Open full size
1930 US Federal Census — King, Washington
Page Contents
49 people indexed on this census page (ia:1930:15thcensus2499unit:0721)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Geo Aucourt | 51 | Head | Cook | England |
| 52 | Olga Aucourt | 51 | Wife | Sewer | Germany |
| 53 | August Aucourt | 18 | Son | — | Washington |
| 54 | Mary A Roberts THIS PERSON | 62 | Head | — | Wales |
| 55 | Ruth A Roberts | 31 | Daughter | — | Kansas |
| 56 | William J Roberts | 28 | Son-in-law | Boilermaker | Pennsylvania |
| 57 | Gust Sjoldand | 35 | Head | Physician | Sweden |
| 58 | Frida Sjoldand | 28 | Wife | — | Sweden |
| 59 | Elaine Sjoldand | 5 | Daughter | — | Washington |
| 60 | John A Strachan | 59 | Head | Clerk | Scotland |
| 61 | Janet Strachan | 61 | Wife | — | Scotland |
| 62 | Agnes C Strachan | 24 | Daughter | Operator | Washington |
| 63 | Frances Mccallum | 80 | Roomer | — | Scotland |
| 64 | Alex Balfour | 42 | Head | Carpenter | Scotland |
| 65 | Jean Balfour | 43 | Wife | — | England |
| 66 | Margaret J Balfour | 14 | Daughter | — | Montana |
| 68 | Helen Tracy | 49 | Head | Cook | Scotland |
| 69 | Geo Tracy | 22 | Son | Mechanic | Washington |
| 70 | Max Moses | 40 | Head | Clerk | Russia |
| 71 | Olga Moses | 39 | Wife | — | Russia |
| 72 | Sylvia Moses | 15 | Daughter | — | Washington |
| 73 | Rebecca Moses | 10 | Daughter | — | Washington |
| 74 | Jean Moses | 7 | Daughter | — | Washington |
| 75 | Wm Knappel | 55 | Head | Plumber | Minnesota |
| 76 | Annie Knappel | 55 | Wife | — | Arkansas |
| 77 | Evelyn Knappel | 19 | Daughter | — | Washington |
| 78 | Melvin Audrey | 41 | Head | Contractor | Sweden |
| 79 | Doris Audrey | 28 | Wife | — | Washington |
| 80 | Elmer Kinsley | 34 | Head | — | Indiana |
| 81 | Henrietta Kinsley | 27 | Wife | — | Russia |
| 82 | Elmer Jr Kinsley | 4 | Son | — | Washington |
| 83 | Orville Kinsley | 1 | Son | — | Washington |
| 84 | Amelia Keltmann | 21 | Sister-in-law | Operator | Washington |
| 85 | Edwin H Johnson | 27 | Bro-in-law | Detective | Norway |
| 86 | Isaac Martin | 50 | Head | Manufacturer | Russia |
| 87 | Mollie Martin | 48 | Wife | — | Russia |
| 88 | David Martin | 27 | Son | Cutter | Russia |
| 89 | Bertha Martin | 23 | Daughter | Teacher | Russia |
| 90 | Ben Martin | 21 | Son | Bookkeeper | Russia |
| 91 | Albert Adatto | 28 | Head | Salesman | Turkey |
| 92 | Lenora Adatto | 21 | Wife | — | Rhode Island |
| 93 | William Boorman | 42 | Brother | Nurseryman | Scotland |
| 94 | Jacob Pansman | 57 | Head | Merchant | Russia |
| 95 | Celia Pansman | 55 | Wife | — | Russia |
| 96 | Edward Pansman | 24 | Son | Furrier | Canada English |
| 97 | Herman Pansman | 19 | Son | Pressman | Canada English |
| 98 | Dave Friedman | 32 | Lodger | Salesman | Australia |
| 99 | Harry B Johnston | 48 | Head | Dressmaker | Washington |
| 100 | Leila V Johnston | 20 | Sister | Cashier | Washington |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)