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Effie Davis — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Pima, Arizona
Our Model Tree links this Effie Davis across the 1910 and 1920 US Censuses in Pima, Arizona (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 5-person household.
Age 45
b. ~1875
Female
Spouse
Born: Tennessee
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Pima, Arizona |
| Surname | Davis |
| Given Name | Effie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Tucson City Part Of |
| Est. Birth Year | ~1875 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Effie | Age | Birth yr |
|---|---|---|---|---|
| Allen Davis | Son | — | 23 | ~1897 |
| Marjorie Davis | Daughter | — | 10 | ~1910 |
| Allen Davis | Head | — | 53 | ~1867 |
| Effie Davis | Spouse | — | 45 | ~1875 |
| Walter Davis | Son | — | 19 | ~1901 |
Census Appearances
1910
Pima, Arizona
Spouse, age 38
Pima, Arizona · implied b. ~1872 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Effie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Years Married | 14 |
| Children Born | 3 |
| Children Living | 3 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1920
Pima, Arizona
Spouse, age 45
Pima, Arizona · implied b. ~1875 — 5 household members
| Surname | Davis |
| Given Name | Effie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Effie Davis across 2 US Census years (1910 and 1920) in Pima, Arizona, using XGBoost record linkage.
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This person
Anchor record
Effie Davis
Spouse · 1920 · age 45 · b. ~1875 · Arizona
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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 — Pima, Arizona
Open full size
1920 US Federal Census — Pima, Arizona
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu050unit:0805)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Pablo Romero | 46 | Head | Mechanic | Arizona |
| 52 | Rosa Romero | 36 | Wife | — | Arizona |
| 53 | Cecilia Romero | 15 | Daughter | — | Arizona |
| 54 | Arnold Romero | 12 | Son | — | Arizona |
| 55 | Louis Romero | 9 | Son | — | Arizona |
| 56 | Gaspar Romero | 8 | Son | — | Arizona |
| 57 | Fred Romero | 6 | Son | — | Arizona |
| 58 | Julian Renteria | 34 | Head | Laborer | Mexico |
| 59 | Refugio Renteria | 19 | Wife | — | Mexico |
| 60 | Lola Renteria | 22 | Sister in law | — | Mexico |
| 61 | Luz Renteria | 70 | Mother | — | Mexico |
| 62 | Angel Renteria | 5 | Son | — | Arizona |
| 63 | Trinidad Lopez | 60 | Head | — | Mexico |
| 64 | Cruz Lopez | 26 | Daughter | — | Mexico |
| 65 | Modesta Lopez | 18 | Son | — | Mexico |
| 66 | Isidoro Lopez | 14 | Son | Laborer | Mexico |
| 67 | Lydia Lopez | 6 | Daughter | — | Arizona |
| 68 | Charles Miller | 38 | Head | Proprietor | Indiana |
| 69 | Blanche Miller | 34 | Wife | Bookkeeper | Michigan |
| 70 | Ross Miller | 9 | Son | — | Arizona |
| 71 | Gladys Driscoll | 32 | Roomer | Nurse | Tennessee |
| 72 | Henry Ziegel | 36 | Head | Proprietor | Massachusetts |
| 73 | Hattie Ziegel | 33 | Wife | Bookkeeper | Michigan |
| 74 | Ruth Ziegel | 9 | Daughter | — | Arizona |
| 75 | Arthur Abbott | 26 | Head | Tray Manager | Missouri |
| 76 | Mary Abbott | 27 | Wife | — | Virginia |
| 77 | Allen Davis | 53 | Head | Proprietor | Tennessee |
| 78 | Effie Davis THIS PERSON | 45 | Wife | — | Tennessee |
| 79 | Allen Jr. Davis | 23 | Son | Auto Mechanic | Tennessee |
| 80 | Walter Davis | 19 | Son | Mechanic | Tennessee |
| 81 | Marjorie Davis | 10 | Daughter | — | Tennessee |
| 82 | John Carpenter | 45 | Head | — | Tennessee |
| 83 | Maggie Carpenter | 41 | Wife | — | Tennessee |
| 84 | Harold Carpenter | 10 | Son | — | Tennessee |
| 85 | Fred Kimball | 55 | Head | Manager | New Hampshire |
| 86 | Myrtle Kimball | 54 | Wife | — | Colorado |
| 87 | Augusta Overstreet | 37 | Head | Teller | Ohio |
| 88 | Theodore Overstreet | 16 | Son | — | Ohio |
| 89 | George H. Smallen | 46 | Head | Publicity | Wisconsin |
| 90 | Lydia Smallen | 36 | Wife | — | Arizona |
| 91 | Katherine Smallen | 9 | Daughter | — | Arizona |
| 92 | India Smith | 19 | Boarder | — | Arizona |
| 93 | Margaret Vachon | 19 | Maid | Maid | Wisconsin |
| 94 | Albert White | 49 | Head | Proprietor | Michigan |
| 95 | Emma L. White | 46 | Wife | — | Pennsylvania |
| 96 | Gertrude White | 21 | Daughter | — | New Jersey |
| 97 | John G. White | 20 | Son | — | New Jersey |
| 98 | Edith White | 18 | Daughter | — | New Jersey |
| 99 | Helen White | 13 | Daughter | — | New Jersey |
| 100 | Alice White | 67 | Mother | — | Vermont |
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)