WM
William Mack — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cape-May-County, New Jersey
Our Model Tree links this William Mack across the 1920, 1930 and 1940 US Censuses in Cape-May-County, New Jersey (XGBoost, ~Confirmed), with identified parents John & Joseph — first a son (b.~1913), then head of a 7-person household.
Age 27
b. ~1913
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cape-May-County, New Jersey |
| Surname | Mack |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Woodbine Borough |
| 1935 Residence (County) | Cape May |
| Additional Details | |
| Occupation | button-hole maker |
| Industry | Men's clothing factory |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 300 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Button-Hole Maker |
| Township / Ward | Woodbine Borough |
| Est. Birth Year | ~1913 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mack | Son | — | 27 | ~1913 |
| Joseph Mack | Son | — | 20 | ~1920 |
| Edgar Fricker | Other | — | 23 | ~1917 |
| Mary Fricker | Daughter | — | 22 | ~1918 |
| Victoria Mack | Daughter | — | 16 | ~1924 |
| Joseph Mack | Head | — | 53 | ~1887 |
| Mary Mack | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Cape May, …
Son, age 7
Cape May, New Jersey · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mach |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Cape May, …
Son, age 17
Cape May, New Jersey · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Operator |
| Industry | Clothing factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Cape-May-County, New …
Son, age 27
Cape-May-County, New Jersey · implied b. ~1913 — 7 household members
| Surname | Mack |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Woodbine Borough |
| 1935 Residence (County) | Cape May |
| Occupation | button-hole maker |
| Industry | Men's clothing factory |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 300 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mach (~0.92 confidence) and father Joseph Mack (~0.92 confidence) and mother Mary Mack (~0.92 confidence) and mother Mary Mach (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mach
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Joseph Mack
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Mary Mack
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Mary Mach
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Mack
Son · 1940 · age 27 · b. ~1913 · New Jersey
★ You are viewing this record
Sibling
Mary Fricker
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victoria Mack
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mack
Sibling · 1940 · age 20
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 — Cape-May-County, New Jersey
Open full size
1940 US Federal Census — Cape-May-County, New Jersey
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02324-00824)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Francis Zydis | 65 | Head | — | Poland |
| 2 | Charles Zydis | 27 | Son-in-law | Button Maker | New Jersey |
| 3 | Anna Zydis | 22 | Daughter | Button Maker | New Jersey |
| 4 | John Fitzpatrick | 33 | Head | Pocket Tacker | New Jersey |
| 5 | Victoria Fitzpatrick | 32 | Wife | Button Hole Maker Operator | New Jersey |
| 6 | Theodore Fitzpatrick | 2 | Son | — | Pa. |
| 7 | Joseph Flachel | 35 | Head | Shaper Operator | Pa. |
| 8 | Pauline Flachel | 28 | Wife | — | Pa. |
| 9 | Florence Flachel | 8 | Daughter | — | New Jersey |
| 10 | End Of Block | None | — | — | — |
| 11 | Joseph Sr. Mack | 53 | Head | Painter & Paperer | Poland |
| 12 | Mary Mack | 53 | Wife | Felling Coats | Poland |
| 13 | William Mack THIS PERSON | 27 | Son | Button-Hole Maker | New Jersey |
| 14 | Joseph Mack | 20 | Son | Button-Hole Maker | New Jersey |
| 15 | Victoria Mack | 16 | Daughter | — | New Jersey |
| 16 | Edgar Fricker | 23 | Son-in-law | Asst. Starter Boy Factory | New Jersey |
| 17 | Mary Fricker | 22 | Daughter | Button-Hole Maker Operator | New Jersey |
| 18 | Thomas Hudgiel | 56 | Head | Button-Hole Maker | Poland |
| 19 | Nellie Hudgiel | 25 | Daughter | Button-Hole Maker Operator | New Jersey |
| 20 | Frank Yarrick | 26 | Head | Operator | New Jersey |
| 21 | Stephanie Yarrick | 22 | Wife | Pocket-Maker Operator | New Jersey |
| 22 | Lawrence Yarrick | 3 | Son | — | New Jersey |
| 23 | Harry Heist | 50 | Head | President Of Clothing Factory | Poland |
| 24 | Ida Heist | 48 | Wife | — | New York |
| 25 | Andrew Wisniewski | 45 | Head | Project Of Catch Basin | Poland |
| 26 | Alice Willowski | 37 | Housekeeper | Housekeeper For Private Family | Pa. |
| 27 | Max Fitzpatrick | 55 | Head | Presser | Poland |
| 28 | Mary Fitzpatrick | 56 | Wife | — | Poland |
| 29 | Walter Fitzpatrick | 27 | Son | Loop-Hole Maker | New Jersey |
| 30 | Anthony Fitzpatrick | 21 | Son | Under-Presser | New Jersey |
| 31 | Josephine Bisby | 24 | Daughter | — | New Jersey |
| 32 | Ronald Bisby | 2 | Son | — | New Jersey |
| 33 | Barnet Levin | 60 | Head | Pocket-Maker Men'S Clothing | Russia |
| 34 | Sarah Levin | 59 | Wife | — | Russia |
| 35 | Joseph Yarrick | 60 | Head | Night Watchman In Factory | Poland |
| 36 | Katherine Yarrick | 57 | Wife | — | Poland |
| 37 | Adolph Flachel | 30 | Head | W.P.A. Laborer | Pa. |
| 38 | Minnie Flachel | 28 | Daughter | Button-Hole Maker Operator | New Jersey |
Pedigree Summary
William + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)