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John Shaffer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lawrence, Ohio
Our Model Tree links this John Shaffer across the 1930 and 1940 US Censuses in Lawrence, Ohio (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 12-person household.
Age 57
b. ~1873
Male
Head
Born: Virginia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Lawrence, Ohio |
| Surname | Shaffer |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 24 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Occupation | Farmer |
| Industry | Own Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Farmer |
| Township / Ward | Fayette Township |
| Est. Birth Year | ~1873 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ida Shaffer | Daughter | — | 10 | ~1920 |
| John Shaffer | Head | — | 57 | ~1873 |
| John Shaffer | Son | — | 17 | ~1913 |
| Saline Sarka | Other | — | 4 | ~1926 |
| Mark Shaffer | Son | — | 7 | ~1923 |
| Julia Shaffer | Other | — | 52 | ~1878 |
| Lelia Gibson | Other | — | 5 | ~1925 |
| Ellen Shaffer | Son | — | 15 | ~1915 |
| Mary Sarka | Other | — | 2 | ~1928 |
| Claude Sarka | Other | — | 24 | ~1906 |
| Estelle Sarka | Daughter | — | 22 | ~1908 |
| Azeal Shaffer | Daughter | — | 13 | ~1917 |
Census Appearances
1930
Lawrence, Ohio
Head, age 57
Lawrence, Ohio · implied b. ~1873 — 12 household members
| Surname | Shaffer |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 24 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Farmer |
| Industry | Own Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Lawrence-County, Ohio
Other, age 67
Lawrence-County, Ohio · implied b. ~1873 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaffer |
| Given Name | John M. |
| Relationship to Head | Father |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lawrence |
| Industry | Old age |
| Class of Worker | pension |
| Highest Grade | No 5 |
| 1935 Residence | Ohio |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Shaffer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Shaffer
Head · 1930 · age 57 · b. ~1873 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Lawrence, Ohio
Open full size
1930 US Federal Census — Lawrence, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1827:0302)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elizabeth S Arthur | 70 | Wife-H | — | Ohio |
| 52 | Merlin A. Lynd | 27 | Head | Farmer | Ohio |
| 53 | Pauline L. Lynd | 16 | Wife-H | — | Ohio |
| 54 | Belda J. Johnson | 50 | Head | Farm Laborer | Ohio |
| 55 | Sarah Johnson | 43 | Wife-H | — | Ohio |
| 56 | William Oliver | 79 | Head | Farm Laborer | Virginia |
| 57 | Frank J. Cash | 54 | Head | Farmer | Kentucky |
| 58 | Della Cash | 54 | Wife-H | — | Kentucky |
| 59 | Franklin Lyons | 9 | Grandson | — | Kentucky |
| 60 | Emma J. Gray | 61 | Sister | — | Kentucky |
| 61 | Brooks W. Johnson | 77 | Head | Farmer | Ohio |
| 62 | John C. Hastings | 48 | Head | Farmer | Ohio |
| 63 | Grace E. Hastings | 39 | Wife-H | — | Kentucky |
| 64 | Howard W. Hastings | 20 | Son | Caller | Ohio |
| 65 | Kenneth H. Hastings | 16 | Son | — | Ohio |
| 66 | Vernon C. Hastings | 11 | Son | — | Ohio |
| 67 | Floyd W. Riley | 41 | Head | Treasurer | Ohio |
| 68 | Ida Riley | 42 | Wife-H | — | Ohio |
| 69 | Garner B. Riley | 21 | Son | Farmer | Ohio |
| 70 | Marjorie L. Riley | 20 | Daughter | Teacher | Ohio |
| 71 | Shula B. Riley | 17 | Daughter | — | Ohio |
| 72 | Lloyd L. Riley | 16 | Son | Farm Laborer | Ohio |
| 73 | Mabel M. Riley | 15 | Daughter | — | Ohio |
| 74 | James B. Riley | 11 | Son | — | Ohio |
| 75 | Evelyn L. Riley | 10 | Daughter | — | Ohio |
| 76 | George W. Riley | 8 | Son | — | Ohio |
| 77 | Hannie M. Riley | 7 | Daughter | — | Ohio |
| 78 | Mildred B. Riley | 2 | Daughter | — | Ohio |
| 79 | Ella Riley | 21 | Daughter-in-law | — | West Virginia |
| 80 | Hugh S. Ross | 55 | Head | Farm Laborer | Ohio |
| 81 | Sadie M. Ross | 23 | Daughter-H | — | West Virginia |
| 82 | Hazel P. Ross | 25 | Daughter | Salesman | West Virginia |
| 83 | Grace E. Ross | 23 | Daughter | — | West Virginia |
| 84 | Wayne C. Ross | 22 | Son | Farm Laborer | West Virginia |
| 85 | Martha L. Ross | 20 | Daughter | — | West Virginia |
| 86 | Stanley Ross | 16 | Son | — | West Virginia |
| 87 | John M. Shaffer THIS PERSON | 57 | Head | Farmer | Virginia |
| 88 | Julia V. Shaffer | 52 | Wife-H | — | Virginia |
| 89 | John A. Shaffer | 17 | Son | Farm Laborer | West Virginia |
| 90 | Ellen F. Shaffer | 15 | Son | Farm Laborer | West Virginia |
| 91 | Azeal D. Shaffer | 13 | Daughter | — | West Virginia |
| 92 | Ida L. Shaffer | 10 | Daughter | — | West Virginia |
| 93 | Mark N. Shaffer | 7 | Son | — | Ohio |
| 94 | Claude Sarka | 24 | Son-in-law | Inspector | Kentucky |
| 95 | Estelle E. Sarka | 22 | Daughter | — | West Virginia |
| 96 | Saline V. Sarka | 4 | Granddaughter | — | West Virginia |
| 97 | Mary V. Sarka | 2 | Granddaughter | — | West Virginia |
| 98 | Lelia R. Gibson | 5 | Granddaughter | — | Ohio |
| 99 | John Stuck | 38 | Head | Farm Laborer | Kentucky |
| 100 | Estill Stuck | 13 | Son | — | Ohio |
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)