WB
William Byrd — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Florence-County, South Carolina
Our Model Tree links this William Byrd across the 1930 and 1940 US Censuses in Florence-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 11-person household.
Age 29
b. ~1911
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Florence-County, South Carolina |
| Surname | Byrd |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Ebenezer township |
| 1935 Residence (County) | Florence |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Ebenezer Township |
| Est. Birth Year | ~1911 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Ernest Byrd | Son | — | 17 | ~1923 |
| Edelle Byrd | Daughter | — | 11 | ~1929 |
| Washington Byrd | Son | — | 15 | ~1925 |
| George Byrd | Son | — | 13 | ~1927 |
| Ernest Byrd | Head | — | 54 | ~1886 |
| Rosie Byrd | Daughter | — | 19 | ~1921 |
| Harmon Byrd | Son | — | 18 | ~1922 |
| Lester Byrd | Son | — | 15 | ~1925 |
| Aretta Byrd | Other | — | 2 | ~1938 |
| William Byrd | Son | — | 29 | ~1911 |
| Daisy Byrd | Spouse | — | 54 | ~1886 |
Census Appearances
1930
Florence, South …
Son, age 19
Florence, South Carolina · implied b. ~1911 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrd |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | No |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Florence-County, South …
Son, age 29
Florence-County, South Carolina · implied b. ~1911 — 11 household members
| Surname | Byrd |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Ebenezer township |
| 1935 Residence (County) | Florence |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 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 Byrd across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Byrd
Son · 1940 · age 29 · b. ~1911 · South Carolina
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Sibling
Washington Byrd
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosie Byrd
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Byrd
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Byrd
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Byrd
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edelle Byrd
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harmon Byrd
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 — Florence-County, South Carolina
Open full size
1940 US Federal Census — Florence-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03808-00238)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charlie Young | 45 | Brother-in-law | Laborer | South Carolina |
| 42 | James Parker | 46 | Head | Laborer | South Carolina |
| 43 | Anna Parker | 42 | Wife | Laborer | South Carolina |
| 44 | Willie Parker | 21 | Son | Laborer | South Carolina |
| 45 | Kenneth Mark | 30 | Head | Laborer | South Carolina |
| 46 | Lula Mark | 26 | Wife | Laborer | South Carolina |
| 47 | Ruby Mark | 8 | Daughter | Laborer | South Carolina |
| 48 | Sylvester Mark | 7 | Son | — | South Carolina |
| 49 | Ruth Helen Mark | 6 | Daughter | — | South Carolina |
| 50 | Sarah Mark | 57 | Mother | — | South Carolina |
| 51 | Narcissa Mark | 24 | Sister | — | South Carolina |
| 52 | Junita Mark | 15 | Sister | — | South Carolina |
| 53 | Arthur Mark | 6 | Nephew | — | South Carolina |
| 54 | Harold Mark | 5 | Nephew | — | South Carolina |
| 55 | Wander Washington | 12 | Nephew | — | South Carolina |
| 56 | Claude B. Smith | 41 | Head | Farmer | South Carolina |
| 57 | Thelma J. Smith | 31 | Wife | — | South Carolina |
| 58 | Claude Jr. Smith | 14 | Son | — | South Carolina |
| 59 | Hoyt Smith | 12 | Son | — | South Carolina |
| 60 | Farron Smith | 7 | Son | — | South Carolina |
| 61 | Ernest Byrd | 54 | Head | Farmer | South Carolina |
| 62 | Daisy Byrd | 54 | Wife | — | South Carolina |
| 63 | William Byrd THIS PERSON | 29 | Son | Laborer | South Carolina |
| 64 | Rosie Mae Byrd | 19 | Daughter | Laborer | South Carolina |
| 65 | Harmon Byrd | 18 | Son | Laborer | South Carolina |
| 66 | Ernest Byrd | 17 | Son | — | South Carolina |
| 67 | Washington Byrd | 15 | Son | — | South Carolina |
| 68 | Lester Byrd | 15 | Son | — | South Carolina |
| 69 | George Byrd | 13 | Son | — | South Carolina |
| 70 | Edelle Byrd | 11 | Daughter | — | South Carolina |
| 71 | Aretta Mae Byrd | 2 | Granddaughter | — | South Carolina |
| 72 | Richmond Rollins | 34 | Head | Salesman | South Carolina |
| 73 | April D. Kay | 58 | Head | Farmer | South Carolina |
| 74 | Ida Kay | 54 | Wife | — | South Carolina |
| 75 | Howard B. Kay | 22 | Son | Laborer | South Carolina |
| 76 | Dewey Kay | 18 | Son | Laborer | South Carolina |
| 77 | Walter Stokes | 31 | Head | Salesman | South Carolina |
| 78 | Mae Stokes | 30 | Wife | Salesman | South Carolina |
| 79 | Ramona Stokes | 11 | Daughter | — | South Carolina |
| 80 | Ellion Stokes | 10 | Son | — | South Carolina |
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)