WM
William Mack — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hartford-County, Connecticut
Our Model Tree links this William Mack across the 1930 and 1940 US Censuses in Hartford-County, Connecticut (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 10-person household.
Age 24
b. ~1916
Male
Son
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hartford-County, Connecticut |
| Surname | Mack |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Hartford |
| 1935 Residence (County) | Hartford |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Fruit Produce |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 420 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Truck Driver |
| Township / Ward | Hartford |
| Est. Birth Year | ~1916 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Manford Mack | Son | — | 23 | ~1917 |
| Hollis Mack | Son | — | 17 | ~1923 |
| William Mack | Head | — | 49 | ~1891 |
| William Mack | Son | — | 24 | ~1916 |
| Lola Mack | Daughter | — | 20 | ~1920 |
| Ruby Mack | Daughter | — | 12 | ~1928 |
| Addie Mack | Spouse | — | 43 | ~1897 |
| Lonnie Mack | Son | — | 21 | ~1919 |
| Daisy Mack | Daughter | — | 15 | ~1925 |
| Clifton Mack | Son | — | 5 | ~1935 |
Census Appearances
1930
Hartford, Connecticut
Son, age 15
Hartford, Connecticut · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Willie Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Hartford-County, Connecticut
Son, age 24
Hartford-County, Connecticut · implied b. ~1916 — 10 household members
| Surname | Mack |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Hartford |
| 1935 Residence (County) | Hartford |
| Occupation | Truck Driver |
| Industry | Fruit Produce |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 420 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Mack across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mack
Son · 1940 · age 24 · b. ~1916 · Connecticut
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Sibling
Ruby Mack
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lola Mack
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Manford Mack
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hollis Mack
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifton Mack
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lonnie Mack
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daisy Mack
Sibling · 1940 · age 15
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 — Hartford-County, Connecticut
Open full size
1940 US Federal Census — Hartford-County, Connecticut
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00534-01025)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louis Taylor | 34 | Son-in-law | Cook | Conn. |
| 42 | Gwendolyn Taylor | 23 | Daughter | — | Conn. |
| 43 | Paulette Taylor | 0 | Granddaughter | — | Conn. |
| 44 | Dewey Miles | 38 | Head | Truck Driver | Georgia |
| 45 | Martha Miles | 37 | Wife | — | Virginia |
| 46 | Arthur Miles | 18 | Son | Laborer | Conn. |
| 47 | Joseph Miles | 16 | Son | — | Conn. |
| 48 | Calvin Miles | 15 | Son | — | Conn. |
| 49 | Lila M. Miles | 13 | Daughter | — | Conn. |
| 50 | Rosa Miles | 12 | Daughter | — | Conn. |
| 51 | Dorothy Miles | 10 | Daughter | — | Conn. |
| 52 | Marilyn Miles | 9 | Daughter | — | Conn. |
| 53 | William J. Miles | 6 | Son | — | Conn. |
| 54 | Ruth Randolph | 43 | Head | Housework | No. Carolina |
| 55 | Ezra Randolph | 19 | Son | — | Conn. |
| 56 | John A. Randolph | 18 | Son | Ccc Camp | Conn. |
| 57 | Sarah Randolph | 15 | Daughter | — | Conn. |
| 58 | Joseph Randolph | 12 | Son | — | Conn. |
| 59 | Miriam Randolph | 7 | Daughter | — | Conn. |
| 60 | Martha Randolph | 3 | Daughter | — | Conn. |
| 61 | Maria Shavers | 92 | Head | — | North Carolina |
| 62 | William Taylor | 35 | Grandson | Iron Worker | Conn. |
| 63 | Viola Miller | 44 | Head | — | Conn. |
| 64 | William Miller | 19 | Son | — | Conn. |
| 65 | Charles Miller | 20 | Son | Wpa Labor | Conn. |
| 66 | Milford Miller | 17 | Son | — | Conn. |
| 67 | William Mack | 49 | Head | Yard Man | Georgia |
| 68 | Addie Mack | 43 | Wife | — | Georgia |
| 69 | William Jr. Mack THIS PERSON | 24 | Son | Truck Driver | Georgia |
| 70 | Manford Mack | 23 | Son | Truck Driver | Georgia |
| 71 | Lonnie Mack | 21 | Son | Truck Driver | Georgia |
| 72 | Lola Mack | 20 | Daughter | Housework | Georgia |
| 73 | Hollis Mack | 17 | Son | — | Georgia |
| 74 | Daisy Mack | 15 | Daughter | — | Conn. |
| 75 | Ruby Mack | 12 | Daughter | — | Conn. |
| 76 | Clifton Mack | 5 | Son | — | Conn. |
| 77 | Meloy Mitchell | 27 | Head | Truck Driver | Virginia |
| 78 | Ozzie Mitchell | 24 | Wife | — | Virginia |
| 79 | Audrey Mitchell | 5 | Daughter | — | Conn. |
| 80 | Muriel Mitchell | 2 | Daughter | — | Conn. |
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)