William Mack — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Richmond-County, New York

Our Model Tree links this William Mack across the 1920, 1930 and 1940 US Censuses in Richmond-County, New York (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 4-person household.

Age 81 b. ~1859 Male Head Born: Pennsylvania Married

1940 Census Record Details

Census Year	1940
Location	Richmond-County, New York
Surname	Mack
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	81
Marital Status	Married
Birthplace	Pennsylvania
1935 Residence (City)	Richmond Borough
1935 Residence (County)	Richmond
Additional Details
Highest Grade	No 8
1935 Residence	Same place
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania
Township / Ward	Richmond Borough
Est. Birth Year	~1859

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.

4 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to William	Age	Birth yr
William Mack	Head	—	81	~1859
Earl Mack	Other	—	22	~1918
Earl Mack	Son	—	45	~1895
Matilda Mack	Spouse	—	68	~1872

Census Appearances

1920

Kings, New …

Other, age 61

Kings, New York · implied b. ~1859 — 12 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mack
Given Name	William C.
Relationship to Head	Roomer
Sex	M
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Pennsylvania
Father's Birthplace	France
Mother's Birthplace	France
Occupation	Retired
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

1930

Richmond, New …

Head, age 71

Richmond, New York · implied b. ~1859 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mack
Given Name	William C
Relationship to Head	Head
Sex	M
Color / Race	White
Age	71
Marital Status	Married
Birthplace	Pennsylvania
Age at First Marriage	32
Father's Birthplace	Pennsylvania
Mother's Birthplace	Pennsylvania
Occupation	Draftsman
Industry	Autoline
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	7500
Veteran	No
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

1940

Richmond-County, New …

Head, age 81

Richmond-County, New York · implied b. ~1859 — 4 household members

Surname	Mack
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	81
Marital Status	Married
Birthplace	Pennsylvania
1935 Residence (City)	Richmond Borough
1935 Residence (County)	Richmond
Highest Grade	No 8
1935 Residence	Same place
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

Model Tree

Linked across censuses

Our Model Tree links William Mack across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.

Show:

This person

Anchor record

William Mack

Head · 1940 · age 81 · b. ~1859 · New York

★ You are viewing this record

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Richmond-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02764-00028)

Line	Name	Age	Relation	Occupation	Birthplace
1	Charles Hoffman	47	Head	Mechanic	New York
2	Mabel Hoffman	43	Wife	—	Pennsylvania
3	Walter Hoffman	22	Son	New Worker	New York
4	Olga Sullivan	42	Head	—	New York
5	Eleanor Sullivan	22	Daughter	Clerk	New York
6	Eileen Sullivan	13	Daughter	—	New York
7	Catherine Sullivan	11	Daughter	—	New York
8	Joan Sullivan	8	Daughter	—	New York
9	Lawrence Sullivan	6	Son	—	New York
10	Mary Sullivan	66	Mother-in-law	—	New York
11	Paul Enter	39	Head	Bookkeeper	New Jersey
12	—	None	—	—	—
13	Frederick Richter	55	Head	Proprietor	Poland
14	Mary Richter	54	Wife	—	Northern Ireland
15	John West	50	Head	Proprietor	Denmark
16	Nellie West	52	Wife	—	Sweden
17	Paul West	19	Son	—	New York
18	Anton Svestka	67	Head	Shoemaker	Austria
19	Mary Svestka	63	Wife	—	Austria
20	Elizabeth Svestka	35	Daughter	—	Germany
21	Winfield Bruggraaff	42	Head	Clergyman	Michigan
22	Agnes Bruggraaff	41	Wife	—	New Jersey
23	—	None	—	—	—
24	Francis Evans	46	Head	Fisherman	Newfoundland
25	William Evans	38	Brother	Engineer	Newfoundland
26	Alice Evans	36	Sister-in-law	—	New York
27	Martin Lorraine Evans	15	Niece	—	New York
28	—	None	—	—	—
29	Walter Johnson	32	Head	Auto Mechanic	New York
30	Vera Johnson	29	Wife	—	Ohio
31	Dennis Mac Farlane	60	Head	Civil Engineer	Newfoundland
32	Isabella Mac Farlane	50	Wife	—	Newfoundland
33	Howard Mac Farlane	23	Son	Clerk	New York
34	Kenneth Mac Farlane	21	Son	Stock Clerk	New York
35	Cora Mac Farlane	19	Daughter	New Worker	New York
36	William Mack THIS PERSON	81	Head	—	Pennsylvania
37	Matilda Mack	68	Wife	—	Pennsylvania
38	Earl Mack	45	Son	Clerk	Pennsylvania
39	Earl Jr. Mack	22	Grandson	New Worker	New York
40	Edwin Lawinski	30	Head	Mail Teller	New York

Search for William Mack

All William Mack Census Records Discover Mack Family Tree

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)

Report inaccurate data