WM
William Mack — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cattaraugus-County, New York
Our Model Tree links this William Mack across the 1930 and 1940 US Censuses in Cattaraugus-County, New York (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 13-person household.
Age 18
b. ~1922
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cattaraugus-County, New York |
| Surname | Mack |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Ashford Town |
| 1935 Residence (County) | Cattaraugus |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 888 |
| Highest Grade | G 7 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Farmer |
| Township / Ward | Ashford Town |
| Est. Birth Year | ~1922 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mack | Head | — | 44 | ~1896 |
| Earl Mack | Son | — | 10 | ~1930 |
| Lola Mack | Daughter | — | 8 | ~1932 |
| Alice Mack | Daughter | — | 18 | ~1922 |
| William Mack | Son | — | 18 | ~1922 |
| Fern Mack | Spouse | — | 40 | ~1900 |
| Donald Mack | Son | — | 4 | ~1936 |
| Harold Mack | Son | — | 15 | ~1925 |
| Adelia Mack | Daughter | — | 14 | ~1926 |
| Doris Mack | Daughter | — | 1 | ~1939 |
| Rae Mack | Daughter | — | 12 | ~1928 |
| Leo Mack | Other | — | 3 | ~1937 |
| David Mack | Son | — | 4 | ~1936 |
Census Appearances
1930
Cattaraugus, New …
Son, age 8
Cattaraugus, New York · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | William G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Cattaraugus-County, New …
Son, age 18
Cattaraugus-County, New York · implied b. ~1922 — 13 household members
| Surname | Mack |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Ashford Town |
| 1935 Residence (County) | Cattaraugus |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 888 |
| Highest Grade | G 7 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 18 · b. ~1922 · New York
★ You are viewing this record
Sibling
Adelia Mack
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Mack
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mack
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rae Mack
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lola Mack
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Mack
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Mack
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Mack
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Mack
Sibling · 1940 · age 4
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 — Cattaraugus-County, New York
Open full size
1940 US Federal Census — Cattaraugus-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02505-00128)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Kahlen | 61 | Head | Farmer | New York |
| 2 | Nellie Kahlen | 61 | Wife | Housekeeper | New York |
| 3 | Lowell Kahlen | 27 | Son | Dentist | New York |
| 4 | Aloysius Schumacher | 43 | Head | Farmer | New York |
| 5 | Clinton Schumacher | 39 | Wife | Housekeeper | New York |
| 6 | Joseph Schumacher | 20 | Son | Farmer | New York |
| 7 | Mary Schumacher | 18 | Daughter | — | New York |
| 8 | Genevieve Schumacher | 17 | Daughter | — | New York |
| 9 | Betty Jane Schumacher | 13 | Daughter | — | New York |
| 10 | Adeline Schumacher | 12 | Daughter | — | New York |
| 11 | Agnes Schumacher | 9 | Daughter | — | New York |
| 12 | Shirley Schumacher | 5 | Daughter | — | New York |
| 13 | William Mack | 44 | Head | Farmer | New York |
| 14 | Fern Mack | 40 | Wife | Housekeeper | New York |
| 15 | Alice Mack | 18 | Daughter | Housekeeper | New York |
| 16 | William Jr. Mack THIS PERSON | 18 | Son | Farmer | New York |
| 17 | Harold Mack | 15 | Son | Farmer | New York |
| 18 | Adelia Mack | 14 | Daughter | — | New York |
| 19 | Rae Mack | 12 | Daughter | — | New York |
| 20 | Earl Mack | 10 | Son | — | New York |
| 21 | Lola Mae Mack | 8 | Daughter | — | New York |
| 22 | Donald Mack | 4 | Son | — | New York |
| 23 | David Mack | 4 | Son | — | New York |
| 24 | Doris Mack | 1 | Daughter | — | New York |
| 25 | Leo Mack | 3 | Grandson | — | New York |
| 26 | Forest Canton | 39 | Head | Farmer | New York |
| 27 | Bert Canton | 72 | Father | Farmer | New York |
| 28 | Ella M. Canton | 68 | Mother | Housekeeper | New York |
| 29 | Harvey Proctor | 71 | Lodger | Farmer | New York |
| 30 | Tony Stanek | 61 | Head | Laborer | Australia |
| 31 | Carl Stanek | 53 | Brother | Laborer | Australia |
| 32 | Rose Schumacher | 75 | Head | Farmer | New York |
| 33 | Clarence Schumacher | 38 | Son | Helper | New York |
| 34 | Luvena Schumacher | 35 | Daughter | Housekeeper | New York |
| 35 | Henry Simmons | 47 | Head | Laborer | New York |
| 36 | Belle Simmons | 46 | Wife | Housekeeping | New York |
| 37 | Donald Simmons | 15 | Son | — | New York |
| 38 | Frank Zenner | 62 | Head | Farmer | New York |
| 39 | Elizabeth Zenner | 56 | Wife | Housekeeping | New York |
| 40 | Frances Zenner | 33 | Daughter | Housekeeping | New York |
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)