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Mary Maxwell — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Grays Harbor, Washington
Our Model Tree links this Mary Maxwell across the 1920 and 1930 US Censuses in Grays Harbor, Washington (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 10-person household.
Age 15
b. ~1915
Female
Daughter
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Grays Harbor, Washington |
| Surname | Maxwell |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Aberdeen City |
| Est. Birth Year | ~1915 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Richard Maxwell | Son | — | 8 | ~1922 |
| William Maxwell | Head | — | 61 | ~1869 |
| Mary Maxwell | Daughter | — | 15 | ~1915 |
| Theodore Maxwell | Son | — | 19 | ~1911 |
| Kathryn Maxwell | Daughter | — | 23 | ~1907 |
| Mary Maxwell | Other | — | 47 | ~1883 |
| Edith Phelps | Other | — | 11 | ~1919 |
| Virginia Maxwell | Daughter | — | 17 | ~1913 |
| William Maxwell | Son | — | 24 | ~1906 |
| Betty Maxwell | Daughter | — | 12 | ~1918 |
Census Appearances
1920
Grays Harbor, …
Daughter, age 5
Grays Harbor, Washington · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maxwell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Grays Harbor, …
Daughter, age 15
Grays Harbor, Washington · implied b. ~1915 — 10 household members
| Surname | Maxwell |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| 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 Maxwell across 2 US Census years (1920 and 1930) in Grays Harbor, Washington, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Maxwell
Daughter · 1930 · age 15 · b. ~1915 · Washington
★ You are viewing this record
Sibling
Theodore Maxwell
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Maxwell
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Maxwell
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Maxwell
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Maxwell
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Maxwell
Sibling · 1930 · 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
1930 US Federal Census — Grays Harbor, Washington
Open full size
1930 US Federal Census — Grays Harbor, Washington
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2488unit:0094)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sylvia Kari | 15 | Daughter | None | Oregon |
| 2 | Alfred Iverson | 42 | Head | None | Finland |
| 3 | Anna W Iverson | 41 | Wife-H | Laundress | Finland |
| 4 | Thelma Iverson | 16 | Daughter | None | Washington |
| 5 | William Maxwell | 61 | Head | Painter | New York |
| 6 | Mary E Maxwell | 47 | Wife-H | None | New York |
| 7 | William A Maxwell | 24 | Son | Shipping Clerk | California |
| 8 | Kathryn V Maxwell | 23 | Daughter | Stenographer | California |
| 9 | Theodore C Maxwell | 19 | Son | Surveyor | Washington |
| 10 | Virginia M Maxwell | 17 | Daughter | None | Washington |
| 11 | Mary E Maxwell THIS PERSON | 15 | Daughter | None | Washington |
| 12 | Betty L Maxwell | 12 | Daughter | None | Washington |
| 13 | Richard W Maxwell | 8 | Son | None | Washington |
| 14 | Edith Phelps | 11 | Boarder | None | Washington |
| 15 | Lode E Vickery | 43 | Head | Oiler | Missouri |
| 16 | Ethel F Vickery | 37 | Wife-H | Saleslady | Kansas |
| 17 | Thelma Vickery | 16 | Daughter | None | Washington |
| 18 | Elmer E Vickery | 13 | Son | None | Washington |
| 19 | Alta M Vickery | 12 | Daughter | None | Washington |
| 20 | Katie E Noble | 74 | Mother-in-law | None | Missouri |
| 21 | Hugh L Pearson | 38 | Head | Retail Merchant | Washington |
| 22 | Evelyn T Pearson | 27 | Wife-H | None | Montana |
| 23 | Patricia L Pearson | 2 | Daughter | None | Washington |
| 24 | Edwin S Anderson | 42 | Head | Retail Merchant | Michigan |
| 25 | Eugene S Anderson | 14 | Son | None | Washington |
| 26 | Lester S Anderson | 11 | Son | None | Washington |
| 27 | Jessie R Anderson | 40 | Sister | Housekeeper | Washington |
| 28 | Josiah W Anderson | 31 | Brother | Laborer | Washington |
| 29 | Mary E Abshier | 53 | Head | None | Indiana |
| 30 | Gert M Fisher | 24 | Head | Millworker | Kansas |
| 31 | Arney Lausan | 47 | Head | Logger | Norway |
| 32 | Elsie F Lausan | 49 | Wife-H | None | Wisconsin |
| 33 | Charles W Hinsey | 24 | Head | Motorman | Pennsylvania |
| 34 | Frances E Hinsey | 23 | Wife-H | None | Michigan |
| 35 | Peter O Henderson | 50 | Head | Laborer | Sweden |
| 36 | Hilma Henderson | 49 | Wife-H | None | Sweden |
| 37 | Elsie Henderson | 20 | Daughter | Saleslady | Washington |
| 38 | Clifford A Henderson | 16 | Son | None | Washington |
| 39 | John A Johnson | 40 | Head | Carpenter | Sweden |
| 40 | Edna C Johnson | 34 | Wife-H | None | Minnesota |
| 41 | Constance G Johnson | 7 | Daughter | None | Washington |
| 42 | Eloise L Johnson | 4 | Daughter | None | Washington |
| 43 | Floyd L Harris | 31 | Head | Truck Driver | Michigan |
| 44 | Barbara Harris | 31 | Wife-H | None | Canada-English |
| 45 | Andrew Mayovsky | 25 | Brother-in-law | Laborer | Canada-English |
| 46 | Barley J Michael | 55 | Head | None | Canada-English |
| 47 | Martha S Michael | 57 | Sister-in-law | None | Canada-English |
| 48 | Ernest C Manthey | 41 | Head | Laborer | Illinois |
| 49 | Gladys E Manthey | 43 | Wife-H | Chambermaid | Colorado |
| 50 | Leslie C Graham | 25 | Head | Salesman | 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)