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Mary Alexander — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Union, Oregon
Our Model Tree links this Mary Alexander across the 1900, 1910 and 1920 US Censuses in Union, Oregon (XGBoost, ~Confirmed) — first a spouse (b.~1851), then head of a 4-person household.
Age 69
b. ~1851
Female
Spouse
Born: Kentucky
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Union, Oregon |
| Surname | Alexander |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Elgin Precinct |
| Est. Birth Year | ~1851 |
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 |
|---|---|---|---|---|
| Mary Alexander | Daughter | — | 29 | ~1891 |
| David Alexander | Head | — | 73 | ~1847 |
| William Alexander | Son | — | 42 | ~1878 |
| Mary Alexander | Spouse | — | 69 | ~1851 |
Census Appearances
1900
Union, Oregon
Spouse, age 50
Union, Oregon · implied b. ~1850 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Mary C |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Birth Month | Sept |
| Birth Year | 1850 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1910
Union, Oregon
Spouse, age 58
Union, Oregon · implied b. ~1852 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Mary C |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Years Married | 38 |
| Children Born | 5 |
| Children Living | 3 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1920
Union, Oregon
Spouse, age 69
Union, Oregon · implied b. ~1851 — 4 household members
| Surname | Alexander |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Alexander across 3 US Census years (1900, 1910 and 1920) in Union, Oregon, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Alexander
Spouse · 1920 · age 69 · b. ~1851 · 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 — Union, Oregon
Open full size
1920 US Federal Census — Union, Oregon
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1505unit:0075)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Cash W Burch | 22 | Head | Farmer | Colorado |
| 52 | Ziona S Burch | 24 | Wife | — | Idaho |
| 53 | Leota I Burch | 2 | Daughter | — | Oregon |
| 54 | Ray Mccorn | 16 | Nephew | — | Colorado |
| 55 | Oscar W Brideman | 38 | Head | Farmer | Saxony |
| 56 | Lydia M Brideman | 36 | Wife | — | Wisconsin |
| 57 | Esther L Brideman | 14 | Daughter | — | Wisconsin |
| 58 | Roy W Brideman | 6 | Son | — | Minnesota |
| 59 | Ole Olsen | 66 | Head | — | Sweden |
| 60 | Kajsa Olsen | 64 | Wife | — | Sweden |
| 61 | Eliza J Jones | 54 | Head | — | Missouri |
| 62 | John E Jones | 28 | Son | Farmer | Oregon |
| 63 | David B Alexander | 73 | Head | Farmer | Missouri |
| 64 | Mary E Alexander THIS PERSON | 69 | Wife | — | Kentucky |
| 65 | William C Alexander | 42 | Son | Farmer | Missouri |
| 66 | Mary E Alexander | 29 | Daughter | — | Oregon |
| 67 | Jewell W Halloway | 47 | Head | Farmer | Iowa |
| 68 | Emily M Halloway | 41 | Wife | — | Iowa |
| 69 | Ethel Brooks Halloway | 20 | Son | — | Oregon |
| 70 | Cecil C Cates | 37 | Head | Farmer | Oregon |
| 71 | Pearl A Cates | 33 | Wife | — | Washington |
| 72 | Eugene S Cates | 13 | Son | — | Oregon |
| 73 | Leonard L Cates | 8 | Son | — | Oregon |
| 74 | Frances C Cates | 7 | Daughter | — | Oregon |
| 75 | Ira Smith | 46 | Head | Farmer | Illinois |
| 76 | Henrietta E Smith | 27 | Wife | — | Minnesota |
| 77 | Florence E Smith | 7 | Daughter | — | California |
| 78 | Thomas S Smith | 5 | Son | — | California |
| 79 | Bertha M Smith | 1 | Daughter | — | Oregon |
| 80 | Mary Smith | 76 | Mother | — | Illinois |
| 81 | Charles R Hahn | 40 | Head | Farmer | Indiana |
| 82 | Mary E Hahn | 28 | Wife | — | Michigan |
| 83 | Edward R Hahn | 6 | Son | — | Indiana |
| 84 | Irene L Hahn | 3 | Daughter | — | Oregon |
| 85 | Virginia Hahn | 1 | Daughter | — | Oregon |
| 86 | Alice Colburn | 47 | Head | Farm | New Jersey |
| 87 | William Cluney | 22 | Head | Farmer | Iowa |
| 88 | Frances Cluney | 72 | Mother | — | Bohemia |
| 89 | Edith Cluney | 16 | Sister | — | Iowa |
| 90 | Homer A Halloway | 57 | Head | Farmer | Pennsylvania |
| 91 | Sarah H Halloway | 47 | Wife | — | Illinois |
| 92 | Margaret H Halloway | 15 | Daughter | — | Ohio |
| 93 | Robert H Halloway | 12 | Son | — | Oregon |
| 94 | Rachel M Halloway | 10 | Daughter | — | Oregon |
| 95 | Herbert Adolph Halloway | 40 | Hired man | Laborer | Iowa |
| 96 | Jesse J Marr | 36 | Head | Farmer | Missouri |
| 97 | Blanche L Marr | 21 | Wife | — | Oregon |
| 98 | James F Marr | 1 | Son | — | Oregon |
| 99 | Robert Mcmillan | 58 | Head | Farmer | Scotland |
| 100 | Roderick Mcmillan | 26 | Son | Laborer | Scotland |
Related Census Records
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)