MS
Mary Simpson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · King, Washington
Our Model Tree links this Mary Simpson across the 1910 and 1920 US Censuses in King, Washington (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 11-person household.
Age 11
b. ~1909
Female
Daughter
Born: Washington
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | King, Washington |
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Black River Precinct |
| Est. Birth Year | ~1909 |
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.
11 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Esther Simpson | Daughter | — | 5 | ~1915 |
| Genevieve Simpson | Daughter | — | 17 | ~1903 |
| Mary Simpson | Daughter | — | 11 | ~1909 |
| Bernice Simpson | Daughter | — | 7 | ~1913 |
| Dorothy Simpson | Daughter | — | 17 | ~1903 |
| Leo Simpson | Head | — | 53 | ~1867 |
| Francis Simpson | Son | — | 13 | ~1907 |
| James Simpson | Son | — | 9 | ~1911 |
| Leo Simpson | Son | — | 15 | ~1905 |
| John Simpson | Son | — | 3 | ~1917 |
| Mary Simpson | Spouse | — | 48 | ~1872 |
Census Appearances
1910
King, Washington
Daughter, age 2
King, Washington · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Can English |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
King, Washington
Daughter, age 11
King, Washington · implied b. ~1909 — 11 household members
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Simpson across 2 US Census years (1910 and 1920) in King, Washington, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Simpson
Daughter · 1920 · age 11 · b. ~1909 · Washington
★ You are viewing this record
Sibling
John Simpson
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Simpson
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Simpson
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Simpson
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Simpson
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Simpson
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Simpson
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Simpson
Sibling · 1920 · age 13
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
1920 US Federal Census — King, Washington
Open full size
1920 US Federal Census — King, Washington
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1924unit:0354)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Clara Brown | 47 | Wife | — | Wisconsin |
| 52 | Paul Brown | 14 | Son | Packer | Wisconsin |
| 53 | Robert Metcalfe | 44 | Head | Sales-Man | New Mexico |
| 54 | Ida M Metcalfe | 43 | Wife | — | Missouri |
| 55 | Nell Runge | 62 | Boarder | — | Iowa |
| 56 | Lucas J Hall | 27 | Head | Upholsterer | Massachusetts |
| 57 | Marie Hall | 27 | Wife | — | Washington |
| 58 | Robert C Hall | 2 | Son | — | Washington |
| 59 | Virginia Hall | 0 | Daughter | — | Washington |
| 60 | Robert East | 57 | Head | Car-Builder | England |
| 61 | Ellen East | 58 | Wife | — | England |
| 62 | Edith East | 25 | Daughter | Book-Keeper | Washington |
| 63 | Esther East | 23 | Daughter | Comptom. Opr. | Washington |
| 64 | Hugo Iseri | 57 | Head | Gardener | Japan |
| 65 | Ohu Iseri | 45 | Wife | — | Japan |
| 66 | Tama Iseri | 24 | Daughter | — | Japan |
| 67 | Yoshiho Iseri | 22 | Son | Helper | Japan |
| 68 | Kachi Iseri | 20 | Son | Helper | Japan |
| 69 | Tsuatho Iseri | 18 | Daughter-in-law | — | Hawaii |
| 70 | Walter Carson-Blue | 41 | Head | Mail Order Clerk | Pennsylvania |
| 71 | Lulu Carson-Blue | 51 | Wife | — | Iowa |
| 72 | George Carson-Blue | 23 | Son | Window-Trimmer | Kansas |
| 73 | Kuhichi Watanabe | 41 | Head | Gardener | Japan |
| 74 | Yuna Watanabe | 30 | Wife | — | Japan |
| 75 | Harue Watanabe | 6 | Daughter | — | Washington |
| 76 | Yoshinori Watanabe | 4 | Son | — | Washington |
| 77 | Tsuyako Watanabe | 2 | Daughter | — | Washington |
| 78 | Leo Simpson | 53 | Head | Electrical Eng. | Illinois |
| 79 | Mary Simpson | 48 | Wife | — | Illinois |
| 80 | Dorothy Simpson | 17 | Daughter | — | Washington |
| 81 | Genevieve Simpson | 17 | Daughter | — | Washington |
| 82 | Leo Simpson | 15 | Son | Re-Checker | Washington |
| 83 | Francis Simpson | 13 | Son | — | Washington |
| 84 | Mary Simpson THIS PERSON | 11 | Daughter | — | Washington |
| 85 | James Simpson | 9 | Son | — | Washington |
| 86 | Bernice Simpson | 7 | Daughter | — | Washington |
| 87 | Esther Simpson | 5 | Daughter | — | Washington |
| 88 | John Simpson | 3 | Son | — | Washington |
| 89 | Edward F Johnson | 56 | Head | Carpenter | Minnesota |
| 90 | Flora Johnson | 50 | Wife | — | New York |
| 91 | George Johnson | 20 | Son | Cooper | Minnesota |
| 92 | Etta L Johnson | 18 | Daughter | Stenographer | Minnesota |
| 93 | Margaret Johnson | 10 | Daughter | — | Washington |
| 94 | Mary Johnson | 8 | Daughter | — | Washington |
| 95 | Henry Currit | 46 | Head | Laborer | Switzerland |
| 96 | Marie Currit | 45 | Wife | — | Switzerland |
| 97 | Lucian Currit | 17 | Son | Messenger | Switzerland |
| 98 | Paul Currit | 14 | Son | — | Switzerland |
| 99 | Loraine Currit | 5 | Daughter | — | Wyoming |
| 100 | Jasper Lesher | 36 | Head | Miner | Austria |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)