ML
Margaret Lewis — 1920 US Census Record
Model Tree available1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Margaret Lewis across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents David & David — first a daughter (b.~1898), then head of a 8-person household.
Age 22
b. ~1898
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Lewis |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Secretary |
| Industry | Chemical 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 | Secretary |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1898 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Nelly Lewis | Daughter | — | 26 | ~1894 |
| Audrey Lewis | Daughter | — | 4 | ~1916 |
| Margaret Lewis | Daughter | — | 22 | ~1898 |
| Esther Lewis | Daughter | — | 18 | ~1902 |
| David Lewis | Head | — | 61 | ~1859 |
| Jeanette O'Brien | Other | — | 10 | ~1910 |
| David Lewis | Son | — | 16 | ~1904 |
| Clara Lewis | Spouse | — | 32 | ~1888 |
Census Appearances
1900
Allegheny, Pennsylvania
Daughter, age 3
Allegheny, Pennsylvania · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Dec |
| Birth Year | 1897 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Daughter, age 12
Allegheny, Pennsylvania · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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 22
Allegheny, Pennsylvania · implied b. ~1898 — 8 household members
| Surname | Lewis |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Secretary |
| Industry | Chemical 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 Margaret Lewis across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father David Lewis (~0.92 confidence) and father David Lewis (~0.92 confidence) and mother Nellie Lewis (~0.92 confidence) and father John Lewis (~0.92 confidence) and mother Lizzie Lewis (~0.92 confidence) and mother Clara Lewis (~0.60 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
David Lewis
b. ~1859
Source father
● Household
· direct · ~0.92
Father
David Lewis
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Nellie Lewis
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
John Lewis
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Lizzie Lewis
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Clara Lewis
b. ~1888
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Margaret Lewis
Daughter · 1920 · age 22 · b. ~1898 · Pennsylvania
★ You are viewing this record
Sibling
Audrey Lewis
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Lewis
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nelly Lewis
Sibling · 1920 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Lewis
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
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:1920:14thcensusofpopu1519unit:0828)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Rachael Shaddy | 24 | Wife | — | Ohio |
| 52 | Violet Shaddy | 4 | Daughter | — | Pennsylvania |
| 53 | M. Herman Borowsky | 69 | Head | — | Germany |
| 54 | Albert Borowsky | 31 | Son | — | Pennsylvania |
| 55 | Roy Melshhans | 24 | Head | Electrician | W. Virginia |
| 56 | Ruth Melshhans | 24 | Wife | Chauffeur | Pennsylvania |
| 57 | Elizabeth Melshhans | 0 | Daughter | — | Pennsylvania |
| 58 | Ruth L. Melshhans | 2 | Daughter | — | Pennsylvania |
| 59 | John R. Lewis | 49 | Head | Salesmanager | Wales |
| 60 | Elizabeth Lewis | 43 | Wife | — | Pennsylvania |
| 61 | William Lewis | 19 | Son | — | Pennsylvania |
| 62 | John R. Lewis | 15 | Son | — | Pennsylvania |
| 63 | Mary J. Lewis | 9 | Daughter | — | Pennsylvania |
| 64 | Lottie Price | 40 | Head | Landlady | Pennsylvania |
| 65 | Jesse T. Price | 11 | Son | — | Pennsylvania |
| 66 | Victor Rigaumont | 58 | Head | Landlady | Belgium |
| 67 | Victor A. Rigaumont | 30 | Son | Architect | New York |
| 68 | John N. Eplus | 40 | Lodger | Engineer | Wis. |
| 69 | Mary Eplus | 40 | Lodger | — | Georgia |
| 70 | Mary Adams | 58 | Head | — | Ireland |
| 71 | Stewart G. Adams | 30 | Son | Teamster | Pennsylvania |
| 72 | Bessie J. Adams | 22 | Daughter in law | — | Ohio |
| 73 | James Adams | 3 | Grandson | — | Pennsylvania |
| 74 | Edward Adams | 1 | Grandson | — | Pennsylvania |
| 75 | John C. Adams | 27 | Son | Teamster | Pennsylvania |
| 76 | William Adams | 23 | Son | Laborer | Pennsylvania |
| 77 | Harry Adams | 21 | Son | Electrician | Pennsylvania |
| 78 | Martha Adams | 19 | Daughter | Comptometrist | Pennsylvania |
| 79 | David H. Lewis | 61 | Head | Salesman | Wales |
| 80 | Clara Lewis | 32 | Wife | Clerk | Pennsylvania |
| 81 | Nelly Lewis | 26 | Daughter | — | Pennsylvania |
| 82 | Audrey Lewis | 4 | Daughter | — | Pennsylvania |
| 83 | Margaret Lewis THIS PERSON | 22 | Daughter | Secretary | Pennsylvania |
| 84 | Esther Lewis | 18 | Daughter | Clerk | Pennsylvania |
| 85 | David Lewis | 16 | Son | — | Pennsylvania |
| 86 | Jeanette O'Brien | 10 | Grandchild | — | Pennsylvania |
| 87 | John Dambach | 67 | Head | Confectioner | Germany |
| 88 | Matilda Dambach | 65 | Wife | — | Pennsylvania |
| 89 | Matilda Dambach | 40 | Daughter | — | Pennsylvania |
| 90 | Herbert Dambach | 29 | Son | Cafeteria | Pennsylvania |
| 91 | Alice Wirth | 52 | Cousin | — | Germany |
| 92 | James B. Stein | 59 | Head | Landlady | Virginia |
| 93 | Katherine Stein | 21 | Daughter | — | Pennsylvania |
| 94 | William J. Stein | 19 | Son | Clerk | Pennsylvania |
| 95 | Cakrand Stein | 24 | Daughter | — | Pennsylvania |
| 96 | Albert Stein | 28 | Son in law | Salesman | New York |
| 97 | Frank H. Stein | 38 | Head | Salesman | Virginia |
| 98 | Edith Stein | 35 | Wife | — | Virginia |
| 99 | Dorothy L. Stein | 14 | Daughter | — | Pennsylvania |
| 100 | Anna M. Stein | 12 | Daughter | — | Pennsylvania |
Pedigree Summary
Margaret + 4 siblings
Gen 1 · 6 parents
~0.87
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)