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Lawrence Brown — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Lawrence Brown across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Ellen — first a son (b.~1900), then head of a 4-person household.
Age 30
b. ~1900
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Brown |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1900 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Hattie Brown | Daughter | — | 24 | ~1906 |
| John Brown | Head | — | 63 | ~1867 |
| Lawrence Brown | Son | — | 30 | ~1900 |
| Leo Brown | Son | — | 27 | ~1903 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 10
Allegheny, Pennsylvania · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
Son, age 19
Allegheny, Pennsylvania · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lawrence E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Forging Co. |
| Class of Worker | W |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 30
Allegheny, Pennsylvania · implied b. ~1900 — 4 household members
| Surname | Brown |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| 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 Lawrence Brown across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father John Brown (~0.92 confidence) and mother Ellen Brown (~0.92 confidence) and mother Nellie Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Brown
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Ellen Brown
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Nellie Brown
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Brown
Son · 1930 · age 30 · b. ~1900 · Pennsylvania
★ You are viewing this record
Sibling
Leo Brown
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Brown
Sibling · 1930 · age 24
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:fifteenthcensus00reel1974:1021)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Brown | 48 | Head | Insurance | Pennsylvania |
| 2 | Agnes Brown | 44 | Wife-H | — | Pennsylvania |
| 3 | Charles Carnes | 46 | Head | Foreman | Pennsylvania |
| 4 | Mabel Carnes | 31 | Wife-H | — | Pennsylvania |
| 5 | Edward Carnes | 14 | Son | — | Pennsylvania |
| 6 | Grace Carnes | 11 | Daughter | — | Pennsylvania |
| 7 | Gertrude Carnes | 10 | Daughter | — | Pennsylvania |
| 8 | John Brown | 63 | Head | — | Pennsylvania |
| 9 | Lawrence Brown THIS PERSON | 30 | Son | — | Pennsylvania |
| 10 | Leo Brown | 27 | Son | Clerk | Pennsylvania |
| 11 | Hattie Brown | 24 | Daughter | Stenographer | Pennsylvania |
| 12 | Louise Hans | 53 | Head | Stenographer | Pennsylvania |
| 13 | John Rennell | 41 | Head | Manager | Pennsylvania |
| 14 | Louise Rennell | 41 | Wife-H | — | Pennsylvania |
| 15 | John Rennell | 15 | Son | — | Pennsylvania |
| 16 | John Rennell | 11 | Son | — | Pennsylvania |
| 17 | John Hennigan | 43 | Head | — | Pennsylvania |
| 18 | Mary J Hennigan | 43 | Wife-H | — | Pennsylvania |
| 19 | Hazel Hennigan | 19 | Daughter | — | Pennsylvania |
| 20 | Rose Hennigan | 17 | Daughter | — | Pennsylvania |
| 21 | John Hennigan | 13 | Son | — | Pennsylvania |
| 22 | John Hannon | 43 | Head | — | Pennsylvania |
| 23 | Ada C Hannon | 45 | Wife-H | — | Pennsylvania |
| 24 | Ada Ruth Hannon | 14 | Daughter | — | Pennsylvania |
| 25 | Dorothy J Hannon | 11 | Daughter | — | Pennsylvania |
| 26 | Henry Tenzera | 38 | Head | Laborer | Italy |
| 27 | Josephine Tenzera | 38 | Wife-H | — | Italy |
| 28 | Philomena Tenzera | 14 | Daughter | — | Pennsylvania |
| 29 | Adeline Tenzera | 12 | Daughter | — | Pennsylvania |
| 30 | Frances Tenzera | 10 | Daughter | — | Pennsylvania |
| 31 | Henry Tenzera | 8 | Son | — | Pennsylvania |
| 32 | Mary Tenzera | 5 | Daughter | — | Pennsylvania |
| 33 | Frances Tenzera | 72 | Mother | — | Italy |
| 34 | William Coulter | 44 | Head | — | Pennsylvania |
| 35 | Americus M Coulter | 40 | Wife-H | — | Pennsylvania |
| 36 | Robert J Coulter | 8 | Son | — | Pennsylvania |
| 37 | Thomas Coulter | 70 | Father | — | England |
| 38 | Christ J Volker | 61 | Head | — | Germany |
| 39 | Clara R Volker | 31 | Daughter | — | Pennsylvania |
| 40 | Anna M Volker | 33 | Daughter | — | Pennsylvania |
| 41 | Christ L Coates | 51 | Head | Foreman | Pennsylvania |
| 42 | Clara L Coates | 50 | Wife-H | — | Pennsylvania |
| 43 | Francis Coates | 22 | Son | — | Pennsylvania |
| 44 | Arthur H Wolf | 49 | Roomer | Foreman | Ohio |
| 45 | Bernard Wolf | 23 | Roomer | Draftsman | West Virginia |
| 46 | Jacob Senewe | 40 | Head | Laborer | Pennsylvania |
| 47 | Maud Senewe | 37 | Wife-H | — | Connecticut |
| 48 | Harry Senewe | 14 | Son | — | Pennsylvania |
| 49 | Janet E Senewe | 8 | Daughter | — | Pennsylvania |
| 50 | Walter H Webber | 63 | Father-in-law | Laborer | England |
Pedigree Summary
Lawrence + 2 siblings
Gen 1 · 3 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)