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Lawrence Brown — 1930 US Census Record
Model Tree available1930 United States Federal Census · Wapello, Iowa
Our Model Tree links this Lawrence Brown across the 1920, 1930 and 1940 US Censuses in Wapello, Iowa (XGBoost, ~Confirmed), with identified parents Edwin & Edwin — first a son (b.~1919), then head of a 7-person household.
Age 11
b. ~1919
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wapello, Iowa |
| Surname | Brown |
| Given Name | Lawrence L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Ottumwa City |
| Est. Birth Year | ~1919 |
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 1930 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Grace Brown | Daughter | — | 18 | ~1912 |
| Edwin Brown | Head | — | 59 | ~1871 |
| Lois Brown | Son | — | 7 | ~1923 |
| Harold Brown | Son | — | 14 | ~1916 |
| Lawrence Brown | Son | — | 11 | ~1919 |
| Elmer Brown | Son | — | 16 | ~1914 |
| Goldie Brown | Spouse | — | 44 | ~1886 |
Census Appearances
1920
Wapello, Iowa
Son, age 1
Wapello, Iowa · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lawrence A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Wapello, Iowa
Son, age 11
Wapello, Iowa · implied b. ~1919 — 7 household members
| Surname | Brown |
| Given Name | Lawrence L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Wapello-County, Iowa
Son, age 21
Wapello-County, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Laurence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Ottumwa City |
| 1935 Residence (County) | Wapello |
| Occupation | New Worker |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Highest Grade | H-1 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edwin Brown (~0.92 confidence) and father Edwin Brown (~0.92 confidence) and mother Goldie Brown (~0.92 confidence) and mother Goldie Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edwin Brown
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Edwin Brown
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Goldie Brown
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Goldie Brown
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Brown
Son · 1930 · age 11 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Lois Brown
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Brown
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Brown
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Brown
Sibling · 1930 · age 16
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 — Wapello, Iowa
Open full size
1930 US Federal Census — Wapello, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel686:0062)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Walter H. Harrod | 61 | Head | — | Kentucky |
| 52 | Cora A. Harrod | 58 | Wife | — | Maryland |
| 53 | Porter E. Jobe | 82 | Head | — | Illinois |
| 54 | Elizabeth Jobe | 70 | Wife | — | Ohio |
| 55 | Lilla E. Jobe | 42 | Daughter | Tailor | Nebraska |
| 56 | Clara S. Alm | 72 | Head | — | Sweden |
| 57 | Albert J. Alm | 36 | Son | Miner | Iowa |
| 58 | Joakin M. Richards | 70 | Head | — | Wales |
| 59 | Margaret L. Richards | 60 | Wife | — | Wales |
| 60 | Ivon Richards | 27 | Daughter | Instructor | Iowa |
| 61 | Glen D. Richards | 22 | Son | Machinist | Iowa |
| 62 | Gust Donaldson | 79 | Head | — | Sweden |
| 63 | Annie Donaldson | 74 | Wife | — | Sweden |
| 64 | Charles Jr. Gee | 50 | Head | Teamster | United States |
| 65 | Mary E. Gee | 48 | Wife | — | Kentucky |
| 66 | Alfred Gee | 36 | Brother | Laborer | Iowa |
| 67 | Tom Bales | 28 | Step-son | Laborer | Iowa |
| 68 | George L. Magrane | 29 | Head | Laborer | Nebraska |
| 69 | Pauline Magrane | 25 | Wife | — | Missouri |
| 70 | George L. Magrane | 1 | Son | — | Iowa |
| 71 | William E. Harrod | 49 | Head | Laborer | Missouri |
| 72 | Benjamin L. Harrod | 17 | Son | — | Missouri |
| 73 | Clarence H. Ruby | 28 | Head | Operates Machine | Iowa |
| 74 | Mildred M. Ruby | 19 | Wife | — | Iowa |
| 75 | Clarence Jr. Ruby | 2 | Son | — | Iowa |
| 76 | Harry C. Dale | 36 | Head | Truck Driver | Kansas |
| 77 | Goldie E. Dale | 30 | Wife | — | Kansas |
| 78 | Helen E. Dale | 14 | Daughter | — | Kansas |
| 79 | Jack E. Dale | 12 | Son | — | Kansas |
| 80 | Dorothy L. Dale | 10 | Daughter | — | Kansas |
| 81 | Robert C. Dale | 9 | Son | — | Kansas |
| 82 | Edwin L. Brown | 59 | Head | Machinist Adjuster | Iowa |
| 83 | Goldie V. Brown | 44 | Wife | — | Iowa |
| 84 | Grace C. Brown | 18 | Daughter | Domestic | Iowa |
| 85 | Elmer V. Brown | 16 | Son | — | Iowa |
| 86 | Harold E. Brown | 14 | Son | — | Iowa |
| 87 | Lawrence L. Brown THIS PERSON | 11 | Son | — | Iowa |
| 88 | Lois E. Brown | 7 | Son | — | Iowa |
| 89 | Fred M. Eitel | 61 | Head | Paperhanger | Iowa |
| 90 | Margaret Eitel | 61 | Wife | — | Iowa |
| 91 | Charles R. Brown | 50 | Head | Conductor | Iowa |
| 92 | Louie B. Brown | 50 | Wife | — | Illinois |
| 93 | Otto Schroeder | 61 | Head | Goldene Fitter | Iowa |
| 94 | Selby, Clara Schroeder | 62 | Sister | Housework | Iowa |
| 95 | William H. Bussing | 52 | Head | Store Helper | New York |
| 96 | Margaret J. Bussing | 42 | Wife | — | Colorado |
| 97 | John Bussing | 13 | Son | — | Wisconsin |
| 98 | Bertha Bussing | 42 | Sister | Librarian | Wisconsin |
| 99 | Melvin L. Provost | 45 | Head | Track Foreman | Nebraska |
| 100 | Margaret L. Provost | 39 | Wife | — | Iowa |
Pedigree Summary
Lawrence + 4 siblings
Gen 1 · 4 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)