ID
Ida Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, South Carolina
Our Model Tree links this Ida Davis across the 1930 and 1940 US Censuses in Sumter-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 11-person household.
Age 19
b. ~1921
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, South Carolina |
| Surname | Davis |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Rafting |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farm Laborer |
| Township / Ward | Rafting |
| Est. Birth Year | ~1921 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Louise Davis | Daughter | — | 17 | ~1923 |
| Emma Davis | Daughter | — | 9 | ~1931 |
| May Davis | Daughter | — | 13 | ~1927 |
| Rachelin Davis | Daughter | — | 11 | ~1929 |
| Ida Davis | Daughter | — | 19 | ~1921 |
| Minnie Davis | Daughter | — | 4 | ~1936 |
| Rebecca Davis | Daughter | — | 7 | ~1933 |
| Maggie Davis | Daughter | — | 5 | ~1935 |
| William Davis | Head | — | 40 | ~1900 |
| Willie Davis | Son | — | 16 | ~1924 |
| Maggie Davis | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Sumter, South …
Daughter, age 7
Sumter, South Carolina · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Ida L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Sumter-County, South …
Daughter, age 19
Sumter-County, South Carolina · implied b. ~1921 — 11 household members
| Surname | Davis |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Rafting |
| 1935 Residence (County) | Sumter |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| 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 Ida Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Davis
Daughter · 1940 · age 19 · b. ~1921 · South Carolina
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Sibling
Maggie Davis
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rachelin Davis
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Davis
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Davis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rebecca Davis
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Davis
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Davis
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
May Davis
Sibling · 1940 · age 13
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 — Sumter-County, South Carolina
Open full size
1940 US Federal Census — Sumter-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03841-00519)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Boyd | 52 | Head | Farmer | South Carolina |
| 42 | Julia Boyd | 45 | Wife | — | South Carolina |
| 43 | Henry Boyd | 22 | Son | Farm Laborer | South Carolina |
| 44 | Maggie Boyd | 20 | Daughter | Farm Laborer | South Carolina |
| 45 | Daisy Boyd | 18 | Daughter | — | South Carolina |
| 46 | Julia Boyd | 16 | Daughter | — | South Carolina |
| 47 | Thomas Jr Boyd | 14 | Son | — | South Carolina |
| 48 | Theo Boyd | 12 | Son | — | South Carolina |
| 49 | Lottie Boyd | 5 | Daughter | — | South Carolina |
| 50 | Josh Dennis | 60 | Head | Farmer | South Carolina |
| 51 | Annie Dennis | 60 | Wife | — | South Carolina |
| 52 | Carrie L Dennis | 30 | Daughter | Teacher | South Carolina |
| 53 | Wilimena Dennis | 18 | Daughter | Farm Laborer | South Carolina |
| 54 | Annie Dennis | 16 | Daughter | — | South Carolina |
| 55 | Geneva Dennis | 13 | Daughter | — | South Carolina |
| 56 | Walter Chapman | 18 | Cousin | Laborer | South Carolina |
| 57 | William Davis | 40 | Head | Farmer | South Carolina |
| 58 | Maggie Davis | 38 | Wife | — | South Carolina |
| 59 | Ida Davis THIS PERSON | 19 | Daughter | Farm Laborer | South Carolina |
| 60 | Louise Davis | 17 | Daughter | Farm Laborer | South Carolina |
| 61 | Willie Davis | 16 | Son | Farm Laborer | South Carolina |
| 62 | May Davis | 13 | Daughter | — | South Carolina |
| 63 | Rachelin Davis | 11 | Daughter | — | South Carolina |
| 64 | Emma Davis | 9 | Daughter | — | South Carolina |
| 65 | Rebecca Davis | 7 | Daughter | — | South Carolina |
| 66 | Maggie Lee Davis | 5 | Daughter | — | South Carolina |
| 67 | Minnie Davis | 4 | Daughter | — | South Carolina |
| 68 | John Richardson | 2 | Head | — | South Carolina |
| 69 | Charlie Kirkland | 45 | Head | — | South Carolina |
| 70 | Minnie Kirkland | 45 | Wife | — | South Carolina |
| 71 | James Dinkins | 66 | Head | Farm Laborer | South Carolina |
| 72 | Annie Dinkins | 18 | Daughter | — | South Carolina |
| 73 | Alice Charles | 13 | Grand Daughter | — | South Carolina |
| 74 | Joe Charles | 11 | Grand Son | — | South Carolina |
| 75 | Peter Charles | 6 | Grand Son | — | South Carolina |
| 76 | Sam Young | 68 | Head | Farm Laborer | South Carolina |
| 77 | James Young | 25 | Nephew | Afflicted | South Carolina |
| 78 | Josephine Brown | 24 | Niece | — | South Carolina |
| 79 | Edward Brown | 5 | Grand Nephew | — | South Carolina |
| 80 | Mary Brown | 2 | Grand Niece | — | 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)