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Mary Barr — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Mary Barr across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Francis — first a daughter (b.~1894), then head of a 3-person household.
Age 46
b. ~1894
Female
Daughter
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Barr |
| Given Name | Mary F. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland (city) |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | clerk |
| Industry | Public Utility |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Clerk |
| Township / Ward | Portland City |
| Est. Birth Year | ~1894 |
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 |
|---|---|---|---|---|
| H Sloan | Other | — | 51 | ~1889 |
| Francis Barr | Head | — | 64 | ~1876 |
| Mary Barr | Daughter | — | 46 | ~1894 |
Census Appearances
1920
Multnomah, Oregon
Daughter, age 25
Multnomah, Oregon · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Canada |
| Mother's Birthplace | Oregon |
| Occupation | Stenographer |
| Industry | Power Light Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Daughter, age 33
Multnomah, Oregon · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Oregon |
| Occupation | Stenographer |
| Industry | Electric Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Daughter, age 46
Multnomah-County, Oregon · implied b. ~1894 — 3 household members
| Surname | Barr |
| Given Name | Mary F. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland (city) |
| 1935 Residence (County) | Multnomah |
| Occupation | clerk |
| Industry | Public Utility |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Barr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Francis Barr (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Francis Barr
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Barr
Daughter · 1940 · age 46 · b. ~1894 · Oregon
★ 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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03391-00790)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice Gilbert | 20 | daughter | Waitress | Colorado |
| 42 | Dorothy Gilbert | 18 | daughter | New Worker | Colorado |
| 43 | Louise Gilbert | 14 | daughter | — | Oregon |
| 44 | Hilda Schafer | 21 | lodger | Flat Work | Oregon |
| 45 | Harry Thull | 55 | lodger | Mechanic | Minnesota |
| 46 | June Mincher | 21 | lodger | Waitress | Washington |
| 47 | Leopold G. Oberst | 47 | Head | — | California |
| 48 | Mary Oberst | 70 | Mother | — | Germany |
| 49 | Bud Lewis | 49 | Head | Cook | Missouri |
| 50 | Idell Lewis | 38 | wife | — | Arkansas |
| 51 | Letha Lee Lewis | 12 | daughter | — | Oklahoma |
| 52 | Venetha Lewis | 10 | daughter | — | Oklahoma |
| 53 | Almeda Lewis | 8 | daughter | — | Oklahoma |
| 54 | Elharsal Lewis | 2 | son | — | Oregon |
| 55 | Le Roy Blackburn | 53 | Head | Waiter | Kansas |
| 56 | Roberta Blackburn | 44 | wife | Maid | Georgia |
| 57 | Hattie M. Jordan | 22 | daughter | — | Florida |
| 58 | Grant Sidney Jordan | 12 | grand son | — | Oregon |
| 59 | Reuben L. Sullivan | 42 | Head | Waiter | Texas |
| 60 | James P. Sullivan | 55 | brother | Club Attendant | Texas |
| 61 | Willie Vance | 32 | Head | Waiter | Arkansas |
| 62 | Velma Vance | 25 | wife | — | Texas |
| 63 | Willie Jr. Vance | 11 | son | — | Texas |
| 64 | Sherman L. Pickett | 31 | Head | Waiter | Texas |
| 65 | Myrtle Pickett | 26 | wife | — | New Mexico |
| 66 | Edgar A. Slaughter | 24 | bro-in-law | Waiter | New Mexico |
| 67 | Bernice Slaughter | 23 | sis-in-law | — | New Mexico |
| 68 | Edgar M. Slaughter | 1 | nephew | — | California |
| 69 | Angus A. Jones | 37 | Head | Utility Man | Texas |
| 70 | Vera Lee Jones | 32 | wife | Maid | Texas |
| 71 | Amalie Smith | 48 | Head | Canary Culturist | Ohio |
| 72 | Louis A. Smith | 60 | brother | Canary Culturist | Maryland |
| 73 | — | None | — | — | — |
| 74 | Francis C. Barr | 64 | Head | — | Oregon |
| 75 | Mary F. Barr THIS PERSON | 46 | daughter | Clerk | Oregon |
| 76 | H. B. Sloan | 51 | lodger | — | Iowa |
| 77 | David T. Pauley | 45 | Head | Welder | Montana |
| 78 | Mary Ann Pauley | 34 | wife | — | Montana |
| 79 | James W. Pauley | 9 | son | — | Montana |
| 80 | Candas K. Pauley | 3 | daughter | — | Montana |
Pedigree Summary
Mary
Gen 1 · 1 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)