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Martha Lewis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Martha Lewis across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & William — first a daughter (b.~1910), then head of a 5-person household.
Age 20
b. ~1910
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Lewis |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Saleslady |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Saleslady |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1910 |
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 1930 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Lewis | Daughter | — | 20 | ~1910 |
| Henrietta Hoffman | Daughter | — | 22 | ~1908 |
| William Lewis | Head | — | 49 | ~1881 |
| Minnie Lewis | Other | — | 51 | ~1879 |
| Lois Hoffman | Other | — | 2 | ~1928 |
Census Appearances
1910
Allegheny, Pennsylvania
Daughter, age
Allegheny, Pennsylvania · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 9
Allegheny, Pennsylvania · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Martha E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 20
Allegheny, Pennsylvania · implied b. ~1910 — 5 household members
| Surname | Lewis |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Saleslady |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | 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 Martha Lewis across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Thomas Lewis (~0.92 confidence) and father William Lewis (~0.92 confidence) and mother Annie Lewis (~0.92 confidence) and mother Lillian Lewis (~0.92 confidence) and father William Lewis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Lewis
b. ~1877
Source father
● Household
· direct · ~0.92
Father
William Lewis
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Annie Lewis
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Lillian Lewis
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
William Lewis
b. ~1883
Source father
● Household
· direct · ~0.92
This person
Anchor record
Martha Lewis
Daughter · 1930 · age 20 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Henrietta Hoffman
Sibling · 1930 · age 22
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
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
47 people indexed on this census page (ia:1930:fifteenthcensus00reel1976:0374)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Galati | 47 | Head | Laborer | Italy |
| 2 | Mary Galati | 41 | Wife-H | — | Italian |
| 3 | Vincent Galati | 22 | Son | Packer | Pennsylvania |
| 4 | Caroline Galati | 21 | Daughter | Milliner | Pennsylvania |
| 5 | Dollie Galati | 18 | Daughter | Sewing | Pennsylvania |
| 6 | Albert Galati | 10 | Son | — | Pennsylvania |
| 7 | Joseph Lapiana | 29 | Son-in-law | Tailor | Italy |
| 8 | Philomena Lapiana | 19 | Daughter | — | Pennsylvania |
| 9 | Gloria Lapiana | 2 | Granddaughter | — | Pennsylvania |
| 10 | Robert H. Keys | 50 | Head | Chauffeur | Pennsylvania |
| 11 | Margaret Keys | 44 | Wife-H | — | England |
| 12 | Margaret S. Macisaac | 76 | Mother-in-law | — | England |
| 13 | Thomas Wilson | 48 | Head | Machinist | Pennsylvania |
| 14 | Maud Wilson | 47 | Wife-H | — | Pennsylvania |
| 15 | Louise Wilson | 21 | Daughter | Operator | Pennsylvania |
| 16 | Marjorie Griffith | 10 | Daughter | — | Pennsylvania |
| 17 | Patrick J. Connelly | 50 | Head | Stationary Engineer | Pennsylvania |
| 18 | Myrtle Connelly | 45 | Wife-H | — | Pennsylvania |
| 19 | George Connelly | 24 | Son | Chauffeur | Pennsylvania |
| 20 | Ernest Feather | 38 | Roomer | Laborer | Pennsylvania |
| 21 | Benjamin Fix | 40 | Roomer | Painter | Pennsylvania |
| 22 | Ruth Powell | 19 | Sister | — | Georgia |
| 23 | William J. Lewis | 49 | Head | Electrician | Pennsylvania |
| 24 | Minnie Lewis | 51 | Wife-H | — | Pennsylvania |
| 25 | Martha Lewis THIS PERSON | 20 | Daughter | Saleslady | Pennsylvania |
| 26 | Henrietta Hoffman | 22 | Daughter | — | Pennsylvania |
| 27 | Lois Hoffman | 2 | Granddaughter | — | Pennsylvania |
| 28 | Albert A. Landman | 51 | Head | Bricklayer | Pennsylvania |
| 29 | Mary F. Landman | 50 | Wife-H | — | Pennsylvania |
| 30 | Bertha Landman | 21 | Daughter | Operator | Pennsylvania |
| 31 | Mildred Landman | 18 | Daughter | — | Pennsylvania |
| 32 | Edward Madden | 25 | Son-in-law | Clerk | Pennsylvania |
| 33 | John Madden | 26 | Daughter | — | Pennsylvania |
| 34 | Mary Jane Madden | 2 | Granddaughter | — | Pennsylvania |
| 35 | Stephen Telsch | 71 | Head | Clerk | Pennsylvania |
| 36 | Ada Telsch | 68 | Wife-H | — | Pennsylvania |
| 37 | Dominic Kristoff | 38 | Head | Butcher | Lithuania |
| 38 | Julia Kristoff | 33 | Wife-H | — | Lithuania |
| 39 | Albert Kristoff | 9 | Son | — | Lithuania |
| 40 | Louis Kristoff | 12 | Son | — | Pennsylvania |
| 41 | Alphonse Stein | 35 | Head | Painter | Pennsylvania |
| 42 | Mayme Payne | 40 | Housekeeper | Housekeeper | Pennsylvania |
| 43 | Louise Stein | 6 | Daughter | — | Pennsylvania |
| 44 | Bessie Stein | 13 | Daughter | — | Pennsylvania |
| 45 | Alice Stein | 5 | Daughter | — | Pennsylvania |
| 46 | Louis Stein | 10 | Son | — | Pennsylvania |
| 47 | Raymond Korach | 19 | Roomer | Upholsterer | Pennsylvania |
Pedigree Summary
Martha + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)