JL
John Lamb — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hamilton, Ohio
Our Model Tree links this John Lamb across the 1910, 1920 and 1930 US Censuses in Hamilton, Ohio (XGBoost, ~Confirmed), with identified parents Andrew & Susanna — first a son (b.~1897), then head of a 4-person household.
Age 33
b. ~1897
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Ohio |
| Surname | Lamb |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Soap Mfg. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Stenographer |
| Township / Ward | City Of Cincinnati |
| Est. Birth Year | ~1897 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Lamb | Son | — | 33 | ~1897 |
| Ralph Lamb | Son | — | 29 | ~1901 |
| Andrew Lamb | Head | — | 58 | ~1872 |
| Mabel Lamb | Daughter | — | 20 | ~1910 |
Census Appearances
1910
Hamilton, Ohio
Son, age 13
Hamilton, Ohio · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Hamilton, Ohio
Son, age 23
Hamilton, Ohio · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | John V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Stenographer |
| Industry | City Hall |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 33
Hamilton, Ohio · implied b. ~1897 — 4 household members
| Surname | Lamb |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Stenographer |
| Industry | Soap Mfg. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 John Lamb across 3 US Census years (1910, 1920 and 1930) in Hamilton, Ohio, using XGBoost record linkage. Identified parents: father Andrew Lamb (~0.92 confidence) and mother Susanna Lamb (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Lamb
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Susanna Lamb
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lamb
Son · 1930 · age 33 · b. ~1897 · Ohio
★ You are viewing this record
Sibling
Mabel Lamb
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Lamb
Sibling · 1930 · age 29
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 — Hamilton, Ohio
Open full size
1930 US Federal Census — Hamilton, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1811:0954)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dorothy Schimel | 24 | daughter | None | Illinois |
| 52 | Lillian Schimel | 16 | daughter | None | Illinois |
| 53 | Nora Reis | 50 | Head | Manager | Austria |
| 54 | Leo Reis | 28 | son | None | Austria |
| 55 | Rose Reis | 24 | daughter | Saleswoman | Austria |
| 56 | Dorothy Reis | 18 | daughter | Typist | Ohio |
| 57 | Deborah Reis | 15 | daughter | None | Ohio |
| 58 | Dorothy Ritter | 23 | boarder | Typist | Ohio |
| 59 | Barbara Eigner | 61 | Head | Saleslady | Germany |
| 60 | Laura Eigner | 36 | daughter | Nurse | Ohio |
| 61 | Catherine Godley | 39 | daughter | None | Ohio |
| 62 | Peter Theobald | 52 | Head | None | Ohio |
| 63 | Alice Theobald | 52 | wife | None | Ohio |
| 64 | Ruth M. Theobald | 18 | daughter | Saleswoman | Ohio |
| 65 | Kate Bohache | 44 | Head | None | Ohio |
| 66 | George Bohache | 25 | son | Typist | Ohio |
| 67 | Barbara Bohache | 23 | daughter-in-law | None | Ohio |
| 68 | Andrew V. Lamb | 58 | Head | Floor Clerk | Ohio |
| 69 | John Lamb THIS PERSON | 33 | son | Stenographer | Ohio |
| 70 | Ralph Lamb | 29 | son | Electrician | Ohio |
| 71 | Mabel R. Lamb | 20 | daughter | Cashier | Ohio |
| 72 | Jewel Mccalister | 29 | Head | Order Clerk | West Virginia |
| 73 | Pearl Wissman | 52 | Head | Stenographer | Russia |
| 74 | Yetta Wissman | 49 | wife | Proprietor | Russia |
| 75 | Harry Wissman | 24 | son | Proprietor | Ohio |
| 76 | Sadie Wissman | 17 | daughter | None | Ohio |
| 77 | Samuel Dane | 38 | Head | Salesman | Russia |
| 78 | Annie Dane | 34 | wife | None | New York |
| 79 | Bernard Dane | 5 | son | None | New York |
| 80 | William Browskin | 56 | Head | Collector | Russia |
| 81 | Abe Browskin | 38 | son | None | Ohio |
| 82 | Isabelle Browskin | 34 | daughter | None | Ohio |
| 83 | Moe Hoppe | 35 | lodger | Manager | New York |
| 84 | Eva Kassner | 36 | Head | Operator | Kentucky |
| 85 | Ella Lockhead | 40 | sister | Merchant | Kentucky |
| 86 | Charlotte Lockhead | 20 | niece | Stenographer | Kentucky |
| 87 | Ella Tierney | 29 | Head | Saleswoman | Ohio |
| 88 | Betty L. Tierney | 11 | daughter | None | Ohio |
| 89 | George Williams | 35 | Head | Saleslady | Kentucky |
| 90 | Walter W. Lovell | 56 | Head | None | Kentucky |
| 91 | Marie L. Lovell | 50 | wife | Laborer | Ohio |
| 92 | Virginia Lovell | 24 | daughter | Foreman | Kentucky |
| 93 | — | None | — | None | — |
| 94 | — | None | — | — | — |
| 95 | — | None | — | — | — |
| 96 | — | None | — | — | — |
| 97 | — | None | — | — | — |
| 98 | — | None | — | — | — |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
Pedigree Summary
John + 2 siblings
Gen 1 · 2 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)