AD
Alice Davis — 1920 US Census Record
Model Tree available1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Alice Davis across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Mary & Marian — first a daughter (b.~1894), then head of a 7-person household.
Age 26
b. ~1894
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Davis |
| Given Name | Alice M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Coal Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Bookkeeper |
| Township / Ward | Pittsburgh 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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Alice Davis | Daughter | — | 26 | ~1894 |
| Harlan Davis | Head | — | 57 | ~1863 |
| Laura French | Other | — | 37 | ~1883 |
| Julia Reynolds | Other | — | 46 | ~1874 |
| Jose Casasmas | Other | — | 26 | ~1894 |
| Robert Hammer | Other | — | 19 | ~1901 |
| Mary Davis | Spouse | — | 53 | ~1867 |
Census Appearances
1900
Allegheny, Pennsylvania
Daughter, age 7
Allegheny, Pennsylvania · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Alice M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Jan |
| Birth Year | 1893 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | at School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Daughter, age 17
Allegheny, Pennsylvania · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Alice M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 26
Allegheny, Pennsylvania · implied b. ~1894 — 7 household members
| Surname | Davis |
| Given Name | Alice M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Bookkeeper |
| Industry | Coal Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Alice Davis across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: mother Mary Davis (~0.92 confidence) and father Marian Davis (~0.92 confidence) and father Harlan Davis (~0.92 confidence) and father Harlan Davis (~0.92 confidence) and mother Mary Davis (~0.92 confidence) and mother Mary Davis (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Davis
b. ~1861
Source mother
● Household
· direct · ~0.92
Father
Marian Davis
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Harlan Davis
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Harlan Davis
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Mary Davis
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Mary Davis
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Davis
Daughter · 1920 · age 26 · b. ~1894 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1520unit:0908)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marguerite M. Elder | 46 | Daughter | Teacher | Pennsylvania |
| 52 | Della J. Elder | 23 | Adopted Daughter | — | Pennsylvania |
| 53 | Charles F. Elder | 49 | Lodger | Inspector | New York |
| 54 | William C. Elder | 45 | Lodger | Superintendent | Pennsylvania |
| 55 | Samuel Elder | 34 | Lodger | Salesman | Pennsylvania |
| 56 | Gustav Gottlieb | 49 | Lodger | Salesman | Baden |
| 57 | Elizabeth H. Geary | 60 | Head | Keeping House | Pennsylvania |
| 58 | William Steffen | 24 | Roomer | Clerk | Pennsylvania |
| 59 | Florence W. Steffen | 25 | Daughter | — | Pennsylvania |
| 60 | Albert Hovey | 40 | Lodger | Manager | Pennsylvania |
| 61 | William Smith | 50 | Lodger | Clerk | Maryland |
| 62 | John E. Hart | 40 | Lodger | Lathe Hand | Pennsylvania |
| 63 | Charles Holden | 38 | Lodger | Clerk | Pennsylvania |
| 64 | Charles E. Rowley | 40 | Head | Clerk | Pennsylvania |
| 65 | Joseph B. Rowley | 87 | Father | — | Pennsylvania |
| 66 | Martha J. Rowley | 72 | Mother | — | Pennsylvania |
| 67 | Elizabeth B. Rowley | 8 | Daughter | — | Maryland |
| 68 | Frank C. Shaffer | 30 | Lodger | Salesman | Nebraska |
| 69 | Alice F. Zobley | 38 | Sister | Milliner | Pennsylvania |
| 70 | Hiram E. Woods | 68 | Head | Merchant | Pennsylvania |
| 71 | Sarah J. Woods | 62 | Wife | — | Pennsylvania |
| 72 | Rosabel Ganiear | 42 | Daughter | — | Pennsylvania |
| 73 | Robert Wood | 18 | Grandson | — | Pennsylvania |
| 74 | Martha E. Wood | 16 | Granddaughter | — | Pennsylvania |
| 75 | Ambrose E. Mann | 49 | Head | Plumber | Maryland |
| 76 | Hazel Mann | 16 | Daughter | — | Pennsylvania |
| 77 | Laura Bear | 30 | Niece | Nurse | Maryland |
| 78 | Thomas Trump | 52 | Lodger | Clerk | England |
| 79 | John A. Smithman | 38 | Lodger | Engineer | Rhine |
| 80 | Grant Hoover | 22 | Lodger | Salesman | Pennsylvania |
| 81 | Michael B. Moon | 46 | Lodger | Machinist | Missouri |
| 82 | Harlan P. Davis | 57 | Head | Salesman | Pennsylvania |
| 83 | Mary H. Davis | 53 | Wife | — | Pennsylvania |
| 84 | Alice M. Davis THIS PERSON | 26 | Daughter | Bookkeeper | Pennsylvania |
| 85 | Laura A. French | 37 | Sister-in-law | Stenographer | Pennsylvania |
| 86 | Robert Hammer | 19 | Nephew-in-law | Clerk | Pennsylvania |
| 87 | Jose Casasmas | 26 | Lodger | Clerk | Spain |
| 88 | Julia Reynolds | 46 | Lodger | Dressmaker | Pennsylvania |
| 89 | William J. Whitney | 50 | Head | Conductor | Pennsylvania |
| 90 | Olive Whitney | 38 | Wife | — | Pennsylvania |
| 91 | Charles B. Ritchie | 38 | Lodger | Salesman | Pennsylvania |
| 92 | John L. Jamison | 35 | Lodger | Clerk | Illinois |
| 93 | Frank A. Croninger | 32 | Lodger | Auditor | Pennsylvania |
| 94 | Louis J. Humbird | 36 | Lodger | Clerk | Ohio |
| 95 | Frank B. Stewart | 40 | Lodger | Foreman | Pennsylvania |
| 96 | Margaret Stewart | 31 | Lodger | — | Pennsylvania |
| 97 | Michael J. O'Brien | 64 | Head | Laborer | Ireland |
| 98 | Mary E. O'Brien | 56 | Wife | — | Canada |
| 99 | Agnes O'Brien | 19 | Daughter | Stenographer | Pennsylvania |
| 100 | Frances O'Brien | 17 | Daughter | Milliner | Pennsylvania |
Pedigree Summary
Alice
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)