MP
Mary Pierce — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Marion, Oregon
Our Model Tree links this Mary Pierce across the 1920, 1930 and 1940 US Censuses in Marion, Oregon (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 4-person household.
Age 60
b. ~1860
Female
Head
Born: Oregon
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Marion, Oregon |
| Surname | Pierce |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Oregon |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Teacher |
| Industry | High School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Teacher |
| Township / Ward | Salem City |
| Est. Birth Year | ~1860 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Pierce | Daughter | — | 27 | ~1893 |
| Mary Pierce | Head | — | 60 | ~1860 |
| Sarah Tyrell | Other | — | 78 | ~1842 |
| Anneine Phillips | Other | — | 18 | ~1902 |
Census Appearances
1920
Marion, Oregon
Head, age 60
Marion, Oregon · implied b. ~1860 — 4 household members
| Surname | Pierce |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Oregon |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Occupation | Teacher |
| Industry | High School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Marion, Oregon
Head, age 71
Marion, Oregon · implied b. ~1859 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pearce |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Oregon |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | $5,000 |
| Radio Set | R |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Marion-County, Oregon
Head, age 80
Marion-County, Oregon · implied b. ~1860 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pearce |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 80 |
| Marital Status | Widowed |
| Birthplace | Oregon |
| 1935 Residence (City) | Salem City |
| 1935 Residence (County) | Marion |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Pierce across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Pierce
Head · 1920 · age 60 · b. ~1860 · Oregon
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Marion, Oregon
Open full size
1920 US Federal Census — Marion, Oregon
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1498unit:0060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thelma Well | 16 | Granddaughter | — | Washington |
| 52 | Claude Well | 35 | Daughter | — | Oregon |
| 53 | Geneva Well | 24 | Daughter | Merchant | Oregon |
| 54 | Clyde L. Johnson | 39 | Head | Stenographer | Oregon |
| 55 | Gila M. Johnson | 38 | Wife | Merchant | Oregon |
| 56 | Pauline Johnson | 10 | Daughter | — | Oregon |
| 57 | George H. Derwilliger | 53 | Head | — | New York |
| 58 | Norma Derwilliger | 50 | Wife | Undertaker | Iowa |
| 59 | Orley Leffingwell | 19 | Step-son | Undertaker | California |
| 60 | Winfield Rigdon | 70 | Head | — | Iowa |
| 61 | Mattie J. Rigdon | 62 | Wife | Undertaker | Illinois |
| 62 | Tesla Rigdon | 32 | Daughter | — | Oregon |
| 63 | Lloyd Rigdon | 28 | Son | — | Oregon |
| 64 | Harriet Rigdon | 24 | Daughter | Bookkeeper | Oregon |
| 65 | Mary E. Pierce THIS PERSON | 60 | Head | Teacher | Oregon |
| 66 | Dorothy Pierce | 27 | Daughter | Musician | Oregon |
| 67 | Sarah E. Tyrell | 78 | Mother | — | Iowa |
| 68 | Anneine Phillips | 18 | Boarder | — | Illinois |
| 69 | Joseph H. Albert | 57 | Head | Banker | Oregon |
| 70 | Jessie E. Albert | 50 | Wife | — | Oregon |
| 71 | Mary Jane Albert | 18 | Daughter | — | Oregon |
| 72 | Josephine Albert | 10 | Daughter | — | Oregon |
| 73 | Depa Offel | 20 | Servant | Servant | Nebraska |
| 74 | Robert B. Flemming | 70 | Head | Merchant | Scotland |
| 75 | Mandy Flemming | 45 | Wife | — | Iowa |
| 76 | Ernest C. Richards | 49 | Head | Sec. Of Education | Iowa |
| 77 | Myrta Richards | 37 | Wife | Manager | Iowa |
| 78 | Nettie Smith | 51 | Servant | Cook | Iowa |
| 79 | Mary | 13 | Boarder | — | Washington |
| 80 | George J. Rose | 51 | Head | Farmer | New York |
| 81 | Ada C. Rose | 46 | Wife | — | Washington |
| 82 | Helen Rose | 18 | Daughter | — | Oregon |
| 83 | Max O. Buren | 49 | Head | Merchant | Missouri |
| 84 | Alice Buren | 45 | Wife | — | Missouri |
| 85 | Molest T. Buren | 20 | Son | — | Oregon |
| 86 | Wyndlan Buren | 19 | Son | Clerk | Oregon |
| 87 | Maxine Buren | 18 | Daughter | — | Oregon |
| 88 | Rosalind Buren | 11 | Daughter | — | Oregon |
| 89 | Peery T. Buren | 4 | Son | — | Oregon |
| 90 | Emily Auld | 16 | Servant | Servant | Wisconsin |
| 91 | Eleanor Lewis | 28 | Roomer | Librarian | Minnesota |
| 92 | George Rodgers | 48 | Head | Ship Builder | Oregon |
| 93 | Blanche Rodgers | 47 | Wife | — | Oregon |
| 94 | Margaret Rodgers | 22 | Daughter | — | Oregon |
| 95 | John Baughell | 47 | Head | Salesman | Wisconsin |
| 96 | Maude Baughell | 35 | Wife | — | Wisconsin |
| 97 | John S. Baughell | 15 | Son | — | Wisconsin |
| 98 | Albert A. Bayngelson | 38 | Head | Dressmaker | South Dakota |
| 99 | Clifford A. Bayngelson | 16 | Son | — | Minnesota |
| 100 | Duedenlynn Bayngelson | 15 | Daughter | — | Minnesota |
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)