MR
Mary Richards — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clallam-County, Washington
Our Model Tree links this Mary Richards across the 1920, 1930 and 1940 US Censuses in Clallam-County, Washington (XGBoost, ~Confirmed), with identified parents Wm & Wm — first a daughter (b.~1911), then head of a 2-person household.
Age 29
b. ~1911
Female
Daughter
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clallam-County, Washington |
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Port Angeles |
| 1935 Residence (County) | Clallam |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Motor Parts |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Bookkeeper |
| Township / Ward | Port Angeles |
| Est. Birth Year | ~1911 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Richards | Daughter | — | 29 | ~1911 |
| Arthur Richards | Head | — | 65 | ~1875 |
Census Appearances
1920
Clallam, Washington
Daughter, age 9
Clallam, Washington · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Wales |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Clallam, Washington
Daughter, age 19
Clallam, Washington · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Bookkeeper |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Clallam-County, Washington
Daughter, age 29
Clallam-County, Washington · implied b. ~1911 — 2 household members
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Port Angeles |
| 1935 Residence (County) | Clallam |
| Occupation | Bookkeeper |
| Industry | Motor Parts |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| 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 Richards across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Wm Richards (~0.92 confidence) and father Wm Richards (~0.92 confidence) and father Arthur Richards (~0.92 confidence) and mother Clara Richards (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Wm Richards
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Wm Richards
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Arthur Richards
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Clara Richards
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Richards
Daughter · 1940 · age 29 · b. ~1911 · Washington
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Clallam-County, Washington
Open full size
1940 US Federal Census — Clallam-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04333-00417)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Dengerfield | 45 | Head | Millwright | Washington |
| 2 | Elsie Dengerfield | 36 | Wife | — | England |
| 3 | Edith Dengerfield | 17 | Daughter | — | Washington |
| 4 | Elsie Dengerfield | 11 | Daughter | — | Washington |
| 5 | Arthur Clarence Richards | 65 | Head | — | England |
| 6 | Mary Richards THIS PERSON | 29 | Daughter | Bookkeeper | Washington |
| 7 | Joe Hagen | 50 | Head | Longshoreman | Norway |
| 8 | Blanche Hagen | 48 | Wife | — | Washington |
| 9 | Genevieve Lindgren | 18 | Niece | Maid | Washington |
| 10 | Noble Hubbell | 34 | Head | Baker | Illinois |
| 11 | Berdine Hubbell | 18 | Wife | — | Washington |
| 12 | Edward J. Kinghetty | 43 | Head | Teacher | Wisconsin |
| 13 | Zanie Kinghetty | 40 | Wife | — | Minnesota |
| 14 | Donna M. Kinghetty | 4 | Daughter | — | Washington |
| 15 | Robert E. Witheridge | 32 | Head | Stationary Engr | Michigan |
| 16 | Lois Witheridge | 26 | Wife | — | Oregon |
| 17 | Robert Witheridge | 8 | Son | — | Washington |
| 18 | Frank Bukovnik | 55 | Head | Steam Tender | Yugoslavia |
| 19 | Mary Bukovnik | 51 | Wife | — | Yugoslavia |
| 20 | Ludwick Bukovnik | 24 | Son | Mech Helper | Washington |
| 21 | Mary Bukovnik | 15 | Daughter | Maid | Washington |
| 22 | Rose Harris | 73 | Head | — | Quebec English |
| 23 | Ruth Harris | 33 | Daughter | — | Illinois |
| 24 | Row-Ann Harris | 7 | Grand-dau | — | Washington |
| 25 | Donald Cosser | 28 | Head | Truck Driver | Washington |
| 26 | Ioma Cosser | 23 | Wife | — | Washington |
| 27 | Charlotte Cosser | 1 | Daughter | — | Washington |
| 28 | Jerry Harrington | 50 | Head | Boom | Washington |
| 29 | Eva Harrington | 42 | Wife | — | Washington |
| 30 | Dorothy Harrington | 20 | Daughter | Beautician | Washington |
| 31 | Joseph Merrey | 55 | Head | Asst. Foreman | Connecticut |
| 32 | Dorothy Merrey | 55 | Wife | — | England |
| 33 | Frank Dufrene | 72 | Head | Oiler Boiler Room | Ohio |
| 34 | Marie Dufrene | 70 | Wife | — | Washington |
| 35 | Dennis Ladeby | 25 | Step-Son | — | Washington |
| 36 | Louis A. Darnell | 32 | Head | Civil Engr. | Washington |
| 37 | Lorene Darnell | 31 | Wife | — | Washington |
| 38 | Louis Darnell | 1 | Son | — | Washington |
| 39 | Harry D. Blankenship | 27 | Head | Radio Repairer | Washington |
| 40 | Doris B. Marabou | 21 | Head | Teacher | Washington |
Pedigree Summary
Mary
Gen 1 · 4 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)