WC
William Caldwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mecklenburg-County, North Carolina
Our Model Tree links this William Caldwell across the 1920, 1930 and 1940 US Censuses in Mecklenburg-County, North Carolina (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 6-person household.
Age 60
b. ~1880
Male
Head
Born: North Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mecklenburg-County, North Carolina |
| Surname | Caldwell |
| Given Name | William C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | North Carolina |
| 1935 Residence (City) | Charlotte city |
| 1935 Residence (County) | Mecklenburg |
| Additional Details | |
| Occupation | Letter carrier |
| Industry | City mail man |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Occupation | Letter Carrier |
| Township / Ward | Charlotte City |
| Est. Birth Year | ~1880 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Doris Caldwell | Daughter | — | 25 | ~1915 |
| Nancy Caldwell | Daughter | — | 17 | ~1923 |
| William Caldwell | Head | — | 60 | ~1880 |
| Bernard Caldwell | Son | — | 27 | ~1913 |
| William Caldwell | Son | — | 22 | ~1918 |
| Carrie Caldwell | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Mecklenburg, North …
Head, age 45
Mecklenburg, North Carolina · implied b. ~1875 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1930
Mecklenburg, North …
Head, age 50
Mecklenburg, North Carolina · implied b. ~1880 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Age at First Marriage | 24 |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Carrier |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Veteran | No |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1940
Mecklenburg-County, North …
Head, age 60
Mecklenburg-County, North Carolina · implied b. ~1880 — 6 household members
| Surname | Caldwell |
| Given Name | William C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | North Carolina |
| 1935 Residence (City) | Charlotte city |
| 1935 Residence (County) | Mecklenburg |
| Occupation | Letter carrier |
| Industry | City mail man |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north 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 Caldwell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Caldwell
Head · 1940 · age 60 · b. ~1880 · North Carolina
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mecklenburg-County, North Carolina
Open full size
1940 US Federal Census — Mecklenburg-County, North Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02942-00200)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William C Caldwell THIS PERSON | 60 | Head | Letter Carrier | North Carolina |
| 42 | Carrie P Caldwell | 55 | Wife | — | North Carolina |
| 43 | Bernard N Caldwell | 27 | Son | Time Keeper | North Carolina |
| 44 | Doris H Caldwell | 25 | Daughter | Clerk | North Carolina |
| 45 | William C Caldwell | 22 | Son | Chemist | North Carolina |
| 46 | Nancy C Caldwell | 17 | Daughter | — | North Carolina |
| 47 | John L Hacking | 53 | Head | Switch Man | South Carolina |
| 48 | Lella M Hacking | 43 | Wife | — | North Carolina |
| 49 | Rosalie Hacking | 23 | Daughter | Machine Operator | North Carolina |
| 50 | Ruby M Hacking | 16 | Daughter | — | North Carolina |
| 51 | Mary L Clark | 23 | Lodger | Machine Operator | Georgia |
| 52 | Jessie B Thomas | 35 | Head | Waitress | North Carolina |
| 53 | Alice E Thomas | 42 | Wife | — | North Carolina |
| 54 | Betsy R Thomas | 11 | Daughter | — | North Carolina |
| 55 | Joe P Thomas | 10 | Son | — | North Carolina |
| 56 | Evelyn B Thomas | 8 | Daughter | — | North Carolina |
| 57 | Mother-In-Law Lorena T | None | F | 20 | — |
| 58 | Howard L Brookshire | 30 | Lodger | Loom Fixer | Georgia |
| 59 | Lorena Brookshire | 26 | Lodger | Fill Magazine | North Carolina |
| 60 | Jessie Garrison | 45 | Head | Cook | South Carolina |
| 61 | Linton H Gray | 65 | Head | Manager | North Carolina |
| 62 | Dysel Gray | 17 | Daughter | — | North Carolina |
| 63 | Martha R Ford | 35 | Lodger | Laborer | North Carolina |
| 64 | Marshal Ford | 27 | Lodger | Laborer | North Carolina |
| 65 | Snife May Allen | 33 | Head | Operator | North Carolina |
| 66 | Robert L Allen | 7 | Son | — | North Carolina |
| 67 | William Snipes | 23 | Brother | — | North Carolina |
| 68 | Charles M Erving | 60 | Head | Mechanic | North Carolina |
| 69 | Ellen E Erving | 39 | Wife | Spinner | North Carolina |
| 70 | Alvin A Erving | 17 | Son | — | North Carolina |
| 71 | Eline E Erving | 15 | Daughter | — | North Carolina |
| 72 | Balch M Young | 30 | Head | Inspector | North Carolina |
| 73 | Virginia E Young | 20 | Sister | — | North Carolina |
| 74 | Donald E Young | 14 | Brother | — | North Carolina |
| 75 | Mary E Young | 54 | Mother | — | North Carolina |
| 76 | Edward E Clark | 40 | Head | Doffer | North Carolina |
| 77 | Edna G Clark | 37 | Wife | Spinner | South Carolina |
| 78 | Charles E Clark | 17 | Son | Doffer | South Carolina |
| 79 | Special C Mullis | 23 | Head | Collector | North Carolina |
| 80 | Thelma G Mullis | 19 | Wife | Winder | 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)