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Ira Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · York, South Carolina
Our Model Tree links this Ira Johnson across the 1930 and 1940 US Censuses in York, South Carolina (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 7-person household.
Age 35
b. ~1895
Male
Head
Born: South Carolina
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | York, South Carolina |
| Surname | Johnson |
| Given Name | Ira |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 21 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Laborer |
| Industry | Genl farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Catawba Township |
| Est. Birth Year | ~1895 |
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 Ira | Age | Birth yr |
|---|---|---|---|---|
| Robert Johnson | Son | — | 11 | ~1919 |
| Ira Johnson | Head | — | 35 | ~1895 |
| Isabelle Johnson | Spouse | — | 32 | ~1898 |
| Maggie Johnson | Daughter | — | 13 | ~1917 |
| Ira Johnson | Son | — | 3 | ~1927 |
| Willie Johnson | Son | — | 7 | ~1923 |
| Lonnie Johnson | Daughter | — | 9 | ~1921 |
Census Appearances
1930
York, South …
Head, age 35
York, South Carolina · implied b. ~1895 — 7 household members
| Surname | Johnson |
| Given Name | Ira |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 21 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Genl farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
York-County, South …
Head, age 48
York-County, South Carolina · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Isaac (at) |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 48 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Catawba Township |
| 1935 Residence (County) | York |
| Occupation | laborer |
| Industry | CCC camp |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 360 |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Ira Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ira Johnson
Head · 1930 · age 35 · b. ~1895 · South Carolina
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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 — York, South Carolina
Open full size
1930 US Federal Census — York, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2216unit:0539)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oree Guy | 17 | Daughter | — | South Carolina |
| 2 | Marie Guy | 17 | Daughter | — | South Carolina |
| 3 | John Guy | 15 | Son | Laborer | South Carolina |
| 4 | Annie Guy | 11 | Daughter | — | South Carolina |
| 5 | Blanche Guy | 9 | Daughter | — | South Carolina |
| 6 | James Guy | 6 | Daughter | — | South Carolina |
| 7 | John Nelson | 53 | Head | Farmer | South Carolina |
| 8 | Mariah Nelson | 48 | Wife | — | South Carolina |
| 9 | James Nelson | 21 | Son | Laborer | South Carolina |
| 10 | David Nelson | 16 | Son | Laborer | South Carolina |
| 11 | Mary Nelson | 13 | Daughter | — | South Carolina |
| 12 | Samuel Nelson | 8 | Son | — | South Carolina |
| 13 | Ira Johnson THIS PERSON | 35 | Head | Laborer | South Carolina |
| 14 | Isabelle Johnson | 32 | Wife | — | South Carolina |
| 15 | Maggie Johnson | 13 | Daughter | — | South Carolina |
| 16 | Robert Johnson | 11 | Son | — | South Carolina |
| 17 | Lonnie Johnson | 9 | Daughter | — | South Carolina |
| 18 | Willie Johnson | 7 | Son | — | South Carolina |
| 19 | Ira Jr. Johnson | 3 | Son | — | South Carolina |
| 20 | Emma Crosby | 73 | Head | — | South Carolina |
| 21 | Gertrude Crosby | 55 | Daughter | — | South Carolina |
| 22 | George Crosby | 18 | Son | — | South Carolina |
| 23 | James Duncan | 47 | Head | Merchant | South Carolina |
| 24 | Nellie Duncan | 38 | Wife | — | South Carolina |
| 25 | Robert Barrett | 34 | Head | Agent | South Carolina |
| 26 | Maud Barrett | 37 | Wife | — | South Carolina |
| 27 | Elizabeth Barrett | 9 | Daughter | — | South Carolina |
| 28 | Joyce Barrett | 2 | Daughter | — | South Carolina |
| 29 | Charles Tisler | 43 | Head | Farmer | South Carolina |
| 30 | Mary Tisler | 39 | Wife | — | South Carolina |
| 31 | Reo Tisler | 20 | Daughter | — | South Carolina |
| 32 | Alethea Tisler | 18 | Daughter | — | South Carolina |
| 33 | David Tisler | 17 | Son | Laborer | South Carolina |
| 34 | Mary Tisler | 12 | Daughter | — | South Carolina |
| 35 | Hezekiah Mckinney | 26 | Head | Laborer | South Carolina |
| 36 | Henrietta Mckinney | 24 | Wife | — | South Carolina |
| 37 | Joseph Mckinney | 6 | Son | — | South Carolina |
| 38 | Mattie Mckinney | 4 | Daughter | — | South Carolina |
| 39 | James Miller | 31 | Head | Laborer | South Carolina |
| 40 | Lottie Miller | 29 | Wife | — | South Carolina |
| 41 | Willie Miller | 10 | Son | — | South Carolina |
| 42 | Lillian Miller | 7 | Daughter | — | South Carolina |
| 43 | James Jr. Miller | 2 | Son | — | South Carolina |
| 44 | John Blake | 69 | Head | Minister | South Carolina |
| 45 | Jannie Blake | 55 | Wife | — | South Carolina |
| 46 | Hattie Blake | 14 | Daughter | — | South Carolina |
| 47 | Hester Moore | 16 | Boarder | — | South Carolina |
| 48 | George Boulware | 20 | Head | — | South Carolina |
| 49 | Arthur Boulware | 19 | Brother | Laborer | South Carolina |
| 50 | Ira Boulware | 17 | Brother | — | South Carolina |
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)