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John Macdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Niagara-County, New York
Our Model Tree links this John Macdonald across the 1930 and 1940 US Censuses in Niagara-County, New York (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 11-person household.
Age 60
b. ~1880
Male
Head
Born: Canada-English
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Niagara-County, New York |
| Surname | MacDonald |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Canada-English |
| 1935 Residence (City) | Niagara Falls |
| 1935 Residence (County) | Niagara |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Foreman |
| Industry | Abrasive Mfg. Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1985 |
| Highest Grade | H 3 |
| 1935 Residence | New York |
| Birthplace (normalized) | canada-english |
| Occupation | Foreman |
| Township / Ward | Niagara Falls |
| Est. Birth Year | ~1880 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Macdonald | Head | — | 60 | ~1880 |
| Charlotte Denney | Other | — | 80 | ~1860 |
| Shirley Macdonald | Daughter | — | 9 | ~1931 |
| Velma Macdonald | Daughter | — | 27 | ~1913 |
| Donald Macdonald | Son | — | 20 | ~1920 |
| Ruth Macdonald | Daughter | — | 5 | ~1935 |
| John Macdonald | Son | — | 13 | ~1927 |
| Mary Macdonald | Daughter | — | 7 | ~1933 |
| Sarah Macdonald | Spouse | — | 47 | ~1893 |
| William Macdonald | Son | — | 10 | ~1930 |
| Anna Macdonald | Daughter | — | 29 | ~1911 |
Census Appearances
1930
Niagara, New …
Head, age 51
Niagara, New York · implied b. ~1879 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | John U. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Canada-English |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 29 |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Canada-English |
| Occupation | Assistant foreman |
| Industry | Carborundum Mfg. Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Birthplace (normalized) | canada-english |
1940
Niagara-County, New …
Head, age 60
Niagara-County, New York · implied b. ~1880 — 11 household members
| Surname | MacDonald |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Canada-English |
| 1935 Residence (City) | Niagara Falls |
| 1935 Residence (County) | Niagara |
| Naturalization Status | Naturalized |
| Occupation | Foreman |
| Industry | Abrasive Mfg. Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1985 |
| Highest Grade | H 3 |
| 1935 Residence | New York |
| Birthplace (normalized) | canada-english |
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 John Macdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Macdonald
Head · 1940 · age 60 · b. ~1880 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Niagara-County, New York
Open full size
1940 US Federal Census — Niagara-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02698-00413)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John A. Macdonald THIS PERSON | 60 | Head | Foreman | Canada-English |
| 2 | Sarah J. Macdonald | 47 | Wife | — | England |
| 3 | Anna Macdonald | 29 | Daughter | — | New York |
| 4 | Velma Macdonald | 27 | Daughter | Typist | New York |
| 5 | Donald Macdonald | 20 | Son | Lathe Operator | New York |
| 6 | John Jr. Macdonald | 13 | Son | — | New York |
| 7 | William Macdonald | 10 | Son | — | New York |
| 8 | Shirley Macdonald | 9 | Daughter | — | New York |
| 9 | Mary Macdonald | 7 | Daughter | — | New York |
| 10 | Ruth Macdonald | 5 | Daughter | — | New York |
| 11 | Charlotte Denney | 80 | Mother-in-law | — | England |
| 12 | Carey Denney | 81 | Head | — | Canada-English |
| 13 | Lewis Lumi | 39 | Head | Assembler | New York |
| 14 | Lillian Lumi | 35 | Wife | — | New York |
| 15 | Betty Lumi | 10 | Daughter | — | New York |
| 16 | Lorraine Lumi | 8 | Daughter | — | New York |
| 17 | William F. B. Jones | 32 | Head | Roofer'S Helper | Canada-English |
| 18 | Grace Jones | 20 | Wife | — | Michigan |
| 19 | William Jr. Jones | 2 | Son | — | New York |
| 20 | Frederick Jones | 0 | Son | — | New York |
| 21 | Joseph M. Braid | 52 | Head | Millwright | Pennsylvania |
| 22 | Elizabeth A. Braid | 46 | Wife | — | Canada-English |
| 23 | E. Warren Braid | 27 | Son | Machine Operator | New York |
| 24 | Elizabeth Ann Braid | 13 | Adopted Daughter | — | Michigan |
| 25 | Laura Jean Braid | 8 | Adopted Daughter | — | Michigan |
| 26 | William Buckle | 78 | Head | — | Canada-English |
| 27 | Elizabeth Buckle | 78 | Wife | — | Canada-English |
| 28 | George Buckle | 41 | Head | Park Policeman | New York |
| 29 | Omar Jones | 32 | Head | Roofer | Canada-English |
| 30 | Winifred Jones | 29 | Wife | — | New York |
| 31 | Gladys Jones | 12 | Daughter | — | New York |
| 32 | Omar Jr. Jones | 10 | Son | — | New York |
| 33 | Alfred Jones | 9 | Son | — | New York |
| 34 | Lillian Jones | 5 | Daughter | — | New York |
| 35 | Dora Jones | 4 | Daughter | — | New York |
| 36 | Sally Ann Jones | 2 | Daughter | — | New York |
| 37 | Milo B. Geschwender | 36 | Head | Digger | Pennsylvania |
| 38 | Angeline Geschwender | 22 | Wife | — | New York |
| 39 | John Geschwender | 2 | Son | — | New York |
| 40 | Delbert Geschwender | 0 | Son | — | 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)