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William Jacobs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Richland-County, South Carolina
Our Model Tree links this William Jacobs across the 1930 and 1940 US Censuses in Richland-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, South Carolina |
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | School District 17 Park |
| 1935 Residence (County) | Richland |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | School District 17 Park |
| Est. Birth Year | ~1927 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Zenla Jacobs | Daughter | — | 3 | ~1937 |
| Annie Jacobs | Daughter | — | 16 | ~1924 |
| Elizabeth Jacobs | Daughter | — | 20 | ~1920 |
| Ollie Jacobs | Daughter | — | 11 | ~1929 |
| Minnie Jacobs | Head | — | 37 | ~1903 |
| Henry Counts | Other | — | 42 | ~1898 |
| Essence Jacobs | Son | — | 8 | ~1932 |
| Nathan Jacobs | Son | — | 5 | ~1935 |
| Gadaboy Jacobs | Son | — | 14 | ~1926 |
| Charles Jacobs | Son | — | 18 | ~1922 |
| William Jacobs | Son | — | 13 | ~1927 |
| James Jacobs | Son | — | 22 | ~1918 |
Census Appearances
1930
Richland, South …
Son, age 2
Richland, South Carolina · implied b. ~1928 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Richland-County, South …
Son, age 13
Richland-County, South Carolina · implied b. ~1927 — 12 household members
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | School District 17 Park |
| 1935 Residence (County) | Richland |
| Highest Grade | No 2 |
| 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 William Jacobs across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Jacobs
Son · 1940 · age 13 · b. ~1927 · South Carolina
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Sibling
Elizabeth Jacobs
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Zenla Jacobs
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Essence Jacobs
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gadaboy Jacobs
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jacobs
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ollie Jacobs
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Jacobs
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nathan Jacobs
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Jacobs
Sibling · 1940 · age 18
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
1940 US Federal Census — Richland-County, South Carolina
Open full size
1940 US Federal Census — Richland-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03835-00243)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maxine Geiger | 5 | Daughter | — | South Carolina |
| 2 | Celia Geiger | 3 | Daughter | — | South Carolina |
| 3 | M. Annette Geiger | 0 | Daughter | — | South Carolina |
| 4 | James S. Parks | 43 | Head | Draftsman | South Carolina |
| 5 | Sarah D. Parks | 38 | Wife | — | South Carolina |
| 6 | James S. Jr. Parks | 16 | Son | — | South Carolina |
| 7 | Elizabeth Smith | 37 | Head | Laundress | South Carolina |
| 8 | Wilhemia M. Smith | 23 | Daughter | Cook | South Carolina |
| 9 | Beatrice Smith | 17 | Daughter | Maid | South Carolina |
| 10 | Allene Smith | 15 | Daughter | Maid | South Carolina |
| 11 | Soloman Smith | 10 | Son | — | South Carolina |
| 12 | Alberta Smith | 7 | Daughter | — | South Carolina |
| 13 | Johnny Graddie | 21 | Son-in-law | Laborer | South Carolina |
| 14 | Edith Graddie | 20 | Daughter | Housewife | South Carolina |
| 15 | Diana A. | 2 | Grand-daughter | — | South Carolina |
| 16 | Macedine | 1 | Grand-daughter | — | South Carolina |
| 17 | Elizabeth Smith | 7 | Daughter | — | South Carolina |
| 18 | Joan Smith | 1 | Grand-daughter | — | South Carolina |
| 19 | Beulah N. Smith | 12 | Grand-daughter | — | South Carolina |
| 20 | Tilman D. Palmer | 40 | Head | Proprietor | South Carolina |
| 21 | Irene A. Palmer | 30 | Wife | — | South Carolina |
| 22 | Tilman D. Jr. Palmer | 11 | Son | — | South Carolina |
| 23 | Sadie V. Palmer | 9 | Daughter | — | South Carolina |
| 24 | Sam W. Palmer | 5 | Son | — | South Carolina |
| 25 | Mary J. Palmer | 2 | Daughter | — | South Carolina |
| 26 | Margaret E. Palmer | 42 | Sister | — | South Carolina |
| 27 | Minnie Jacobs | 37 | Head | Maid | South Carolina |
| 28 | James Jacobs | 22 | Son | Cook | South Carolina |
| 29 | Elizabeth Jacobs | 20 | Daughter | — | South Carolina |
| 30 | Charles Jacobs | 18 | Son | Laborer | South Carolina |
| 31 | Annie May Jacobs | 16 | Daughter | Maid | South Carolina |
| 32 | Gadaboy Jacobs | 14 | Son | — | South Carolina |
| 33 | William Jacobs THIS PERSON | 13 | Son | — | South Carolina |
| 34 | Ollie M. Jacobs | 11 | Daughter | — | South Carolina |
| 35 | Essence Jacobs | 8 | Son | — | South Carolina |
| 36 | Nathan Jacobs | 5 | Son | — | South Carolina |
| 37 | Zenla Jacobs | 3 | Daughter | — | South Carolina |
| 38 | Henry Counts | 42 | Brother | Laborer | South Carolina |
| 39 | Phyllis Washington | 51 | Head | Laborer | South Carolina |
| 40 | Son Odell | 15 | Son | Sawman | South Carolina |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)