LD
Louise Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Louise Davis across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Lulu & Adam — 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 | Davis |
| Given Name | Louise I. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Teacher |
| Township / Ward | Pittsburgh City |
| 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 Louise | Age | Birth yr |
|---|---|---|---|---|
| David Davis | Other | — | 86 | ~1844 |
| Glenn Davis | Son | — | 25 | ~1905 |
| Louise Davis | Daughter | — | 20 | ~1910 |
| Adam Davis | Head | — | 52 | ~1878 |
| Alice Davis | Other | — | 53 | ~1877 |
Census Appearances
1910
Washington, Pennsylvania
Daughter, age 1
Washington, Pennsylvania · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Washington, Pennsylvania
Daughter, age 10
Washington, Pennsylvania · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| 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 | Davis |
| Given Name | Louise I. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | Teacher |
| Industry | Public School |
| 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 Louise Davis across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: mother Lulu Davis (~0.92 confidence) and father Adam Davis (~0.92 confidence) and father Niram Davis (~0.92 confidence) and father Hiram Davis (~0.92 confidence) and mother Sadie Davis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Lulu Davis
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
Adam Davis
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Niram Davis
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Hiram Davis
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Sadie Davis
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louise Davis
Daughter · 1930 · age 20 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Glenn Davis
Sibling · 1930 · age 25
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
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1976:0694)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Lightner | 45 | Head | Watchman | Pennsylvania |
| 2 | Martha S. Lightner | 46 | Wife-H | — | Pennsylvania |
| 3 | Claude H. Lightner | 22 | Son | Bookkeeper | Pennsylvania |
| 4 | Carl E. Lightner | 17 | Son | Salesman | Pennsylvania |
| 5 | John B. Lightner | 10 | Son | Office Clerk | Pennsylvania |
| 6 | Allan R. Brown | 54 | Head | Motorman | Ohio |
| 7 | Elizabeth D. Brown | 44 | Wife-H | — | Scotland |
| 8 | Leo D. Brown | 11 | Son | — | Pennsylvania |
| 9 | Frances Marie S. Brown | 10 | Daughter | — | Scotland |
| 10 | George T. Keeley | 48 | Lodger | Stenographer | Pennsylvania |
| 11 | George A. Schoulder | 34 | Head | Police Officer | Pennsylvania |
| 12 | Margaret M. Schoulder | 33 | Wife-H | — | Pennsylvania |
| 13 | Patricia J. Schoulder | 1 | Daughter | — | Pennsylvania |
| 14 | George P. Schoulder | 0 | Son | — | Pennsylvania |
| 15 | George C. Orr | 65 | Head | Price Clerk | Pennsylvania |
| 16 | Margaret B. Orr | 63 | Wife-H | — | Pennsylvania |
| 17 | Philip J. Bailer | 45 | Head | Collector | Pennsylvania |
| 18 | Alexander S. Bailer | 76 | Father | — | Maryland |
| 19 | A. Hermina Bailer | 68 | Mother | — | Pennsylvania |
| 20 | Alexander S. Jr. Bailer | 20 | Son | Traveler | Pennsylvania |
| 21 | Gustave H. Hennig | 73 | Head | — | Germany |
| 22 | Fred J. Hennig | 37 | Uncle | Truck Hand | Pennsylvania |
| 23 | Helen M. Hennig | 27 | Aunt | — | Germany |
| 24 | Fred J. Jr. Hennig | 5 | Nephew | — | Pennsylvania |
| 25 | Noah M. Mellon | 57 | Head | Conductor | Pennsylvania |
| 26 | Gertrude J. Mellon | 37 | Wife-H | — | Pennsylvania |
| 27 | Earl J. Mellon | 15 | Son | — | Pennsylvania |
| 28 | Norma B. Mellon | 9 | Daughter | — | Pennsylvania |
| 29 | Charles J. Dennis | 24 | Lodger | Shipper | Massachusetts |
| 30 | Malcolm H. Vance | 57 | Head | Collector | Pennsylvania |
| 31 | Edith M. Vance | 40 | Wife-H | — | Pennsylvania |
| 32 | Francis J. Boyle | 27 | Lodger | Letter Carrier | Pennsylvania |
| 33 | John J. Dyer | 60 | Head | Janitor | Irish Free State |
| 34 | Margaret M. Dyer | 60 | Wife-H | — | Irish Free State |
| 35 | Mary F. Dyer | 35 | Daughter | Stenographer | New York |
| 36 | John J. Dyer | 33 | Son | Bookkeeper | New Jersey |
| 37 | Agnes E. Dyer | 30 | Daughter | — | New Jersey |
| 38 | Joseph F. Dyer | 27 | Son | Artist | New Jersey |
| 39 | Rose E. Dyer | 16 | Daughter | — | Pennsylvania |
| 40 | Adam B. Davis | 52 | Head | Foreman | Indiana |
| 41 | Alice M. Davis | 53 | Wife-H | — | Illinois |
| 42 | Glenn C. Davis | 25 | Son | Grand Clerk | Pennsylvania |
| 43 | Louise I. Davis THIS PERSON | 20 | Daughter | Teacher | Pennsylvania |
| 44 | David Davis | 86 | Father | — | Ohio |
| 45 | Ottis R. Sr. Eiseman | 56 | Head | Inspector | Pennsylvania |
| 46 | Alice B. Eiseman | 51 | Wife-H | — | Pennsylvania |
| 47 | Louise R. Eiseman | 19 | Daughter | — | Pennsylvania |
| 48 | Ottis R. Jr. Eiseman | 16 | Son | — | Pennsylvania |
| 49 | Carl E. Foster | 42 | Head | Proprietor | Pennsylvania |
| 50 | Mary E. Foster | 41 | Wife-H | — | Pennsylvania |
Pedigree Summary
Louise + 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)