WM
William Mack — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Huron-County, Ohio
Our Model Tree links this William Mack across the 1930 and 1940 US Censuses in Huron-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Huron-County, Ohio |
| Surname | Mack |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Norwalk City |
| 1935 Residence (County) | Huron |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Norwalk City |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Calvin Mack | Son | — | 9 | ~1931 |
| Ellen Mack | Daughter | — | 14 | ~1926 |
| Olive Mack | Spouse | — | 37 | ~1903 |
| William Mack | Head | — | 53 | ~1887 |
| William Mack | Son | — | 17 | ~1923 |
| Robert Mack | Son | — | 7 | ~1933 |
| Colleen Mack | Daughter | — | 10 | ~1930 |
| Daniel Mack | Son | — | 12 | ~1928 |
| Joan Mack | Daughter | — | 16 | ~1924 |
| Richard Mack | Son | — | 15 | ~1925 |
Census Appearances
1930
Huron, Ohio
Son, age 7
Huron, Ohio · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | William R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Huron-County, Ohio
Son, age 17
Huron-County, Ohio · implied b. ~1923 — 10 household members
| Surname | Mack |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Norwalk City |
| 1935 Residence (County) | Huron |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 17 · b. ~1923 · Ohio
★ You are viewing this record
Sibling
Colleen Mack
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mack
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Mack
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Mack
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Mack
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Mack
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Mack
Sibling · 1940 · age 9
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 — Huron-County, Ohio
Open full size
1940 US Federal Census — Huron-County, Ohio
Page Contents
30 people indexed on this census page (nara:1940:m-t0627-03088-00640)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gertrude Ellis | 28 | Head | — | Ohio |
| 42 | Brian Ellis | 5 | Son | — | Ohio |
| 43 | John Star | 30 | Head | Stenographer | Ohio |
| 44 | Mary Star | 23 | Wife | Crane Operator | Ohio |
| 45 | Carol Star | 3 | Daughter | — | Ohio |
| 46 | Charles Dippel | 81 | Head | — | Ohio |
| 47 | Mary A. Dippel | 81 | Wife | — | Ohio |
| 48 | Katherine Platt | 78 | Head | — | Ohio |
| 49 | William E. Mack | 53 | Head | Cigar Maker | Ohio |
| 50 | Olive M. Mack | 37 | Wife | — | Ohio |
| 51 | William R. Mack THIS PERSON | 17 | Son | — | Ohio |
| 52 | Joan K. Mack | 16 | Daughter | — | Ohio |
| 53 | Richard P. Mack | 15 | Son | — | Ohio |
| 54 | Ellen J. Mack | 14 | Daughter | — | Ohio |
| 55 | Daniel A. Mack | 12 | Son | — | Ohio |
| 56 | Colleen A. Mack | 10 | Daughter | — | Ohio |
| 57 | Calvin E. Mack | 9 | Son | — | Ohio |
| 58 | Robert E. Mack | 7 | Son | — | Ohio |
| 59 | Eugene J. Esker | 31 | Head | Bridge Foundation Mechanic | Ohio |
| 60 | Marguerite Esker | 29 | Wife | — | Ohio |
| 61 | Roger Esker | 3 | Son | — | Ohio |
| 62 | Ray Stell | 50 | Head | Sheer Operator | Ohio |
| 63 | Ada Stell | 48 | Wife | — | Ohio |
| 64 | Clarence Hill | 61 | Boarder | — | Ohio |
| 65 | Myrtle M. Kurty | 48 | Head | — | Ohio |
| 66 | J. Paul Kurty | 22 | Son | Farm Laborer | Ohio |
| 67 | Cleomae Kurty | 15 | Daughter | — | Ohio |
| 68 | Claricemarie Kurty | 15 | Daughter | — | Ohio |
| 69 | Robert Kurty | 13 | Son | — | Ohio |
| 70 | Carolann Kurty | 7 | Daughter | — | Ohio |
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)