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John Mcmillan — 1920 US Census Record
Model Tree available1920 United States Federal Census · Kings, New York
Our Model Tree links this John Mcmillan across the 1920, 1930 and 1940 US Censuses in Kings, New York (XGBoost, ~Confirmed), with identified parents Alexander & Susan — first a son (b.~1899), then head of a 7-person household.
Age 21
b. ~1899
Male
Son
Born: Scotland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Kings, New York |
| Surname | McMillan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1916 |
| Naturalization Status | Alien |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Machinist |
| Township / Ward | Brooklyn Borough |
| Est. Birth Year | ~1899 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mcmillan | Son | — | 25 | ~1895 |
| John Mcmillan | Son | — | 21 | ~1899 |
| Susan Mcmillan | Spouse | — | 50 | ~1870 |
| Mary Mcmillan | Daughter | — | 16 | ~1904 |
| William Mcmillan | Son | — | 10 | ~1910 |
| Alexander Mcmillan | Head | — | 53 | ~1867 |
| Isabella Mcmillan | Daughter | — | 13 | ~1907 |
Census Appearances
1920
Kings, New …
Son, age 21
Kings, New York · implied b. ~1899 — 7 household members
| Surname | McMillan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1916 |
| Naturalization Status | Alien |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Kings, New …
Head, age 31
Kings, New York · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMullan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1921 |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Painter |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 32.00 |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Kings-County, New …
Head, age 46
Kings-County, New York · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Millan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Occupation | Painter |
| Industry | Apt. Houses |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Mcmillan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alexander Mcmillan (~0.92 confidence) and mother Susan Mcmillan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alexander Mcmillan
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Susan Mcmillan
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mcmillan
Son · 1920 · age 21 · b. ~1899 · New York
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Sibling
Isabella Mcmillan
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcmillan
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcmillan
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcmillan
Sibling · 1920 · age 25
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
1920 US Federal Census — Kings, New York
Open full size
1920 US Federal Census — Kings, New York
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1156unit:0328)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anthony Donato | 5 | Head | None | New York |
| 2 | Edward Donato | 4 | Son | None | New York |
| 3 | Felix Donato | 1 | Son | None | New York |
| 4 | John Merola | 23 | Head | Barber | Italy |
| 5 | Julia Merola | 25 | Wife | None | Italy |
| 6 | Thomas Merola | 2 | Daughter | None | New York |
| 7 | Charles Mullins | 46 | Head | Salesman | Italy |
| 8 | Mary Mullins | 44 | Wife | None | Italy |
| 9 | Rose Mullins | 10 | Daughter | None | New York |
| 10 | Alphonse Gillette | 26 | Lodger | Cabinet Maker | Italy |
| 11 | Edward Cummings | 59 | Head | Shipping Clerk | Canada |
| 12 | Ida M Cummings | 56 | Wife | None | New Jersey |
| 13 | Henry Schierenbeck | 30 | Head | Retail Merchant | Germany |
| 14 | Idaline Schierenbeck | 27 | Wife | None | New York |
| 15 | Henry Schierenbeck | 7 | Son | None | New York |
| 16 | Alice Schierenbeck | 3 | Daughter | None | New York |
| 17 | Benjamin Winkler | 42 | Lodger | Soda Dispenser | Germany |
| 18 | Philip Roth | 53 | Head | Retail Merchant | Germany |
| 19 | Emma Roth | 40 | Wife | None | Germany |
| 20 | Elsa Roth | 22 | Daughter | Teacher | New York |
| 21 | Edith Roth | 20 | Daughter | Stenographer | New York |
| 22 | Alma Roth | 16 | Daughter | Stenographer | New York |
| 23 | Hilda Roth | 14 | Daughter | None | New York |
| 24 | Henry Riemstadt | 46 | Head | Cashier | Germany |
| 25 | Elizabeth A Riemstadt | 45 | Wife | None | New Jersey |
| 26 | Frances Riemstadt | 13 | Daughter | None | New York |
| 27 | Marie Riemstadt | 11 | Daughter | None | New York |
| 28 | Elizabeth B Riemstadt | 8 | Daughter | None | New York |
| 29 | Anna Mcgrane | 51 | Boarder | Dressmaker | New York |
| 30 | Nathan Cohen | 37 | Head | Retail Merchant | New York |
| 31 | Ray Cohen | 30 | Wife | None | New York |
| 32 | Adeline Cohen | 6 | Daughter | None | New York |
| 33 | Aaron Cohen | 1 | Son | None | New York |
| 34 | John Turner | 62 | Head | Tailor | Sweden |
| 35 | Sophie Turner | 48 | Wife | None | Sweden |
| 36 | Richard Turner | 23 | Son | Bookkeeper | New York |
| 37 | Nene Turner | 17 | Daughter | Bookkeeper | New York |
| 38 | Mildred Turner | 15 | Daughter | None | New York |
| 39 | Virginia Turner | 13 | Daughter | None | New York |
| 40 | Alexander Mcmillan | 53 | Head | Tailor | Scotland |
| 41 | Susan Mcmillan | 50 | Wife | None | Scotland |
| 42 | Thomas Mcmillan | 25 | Son | Machinist | Scotland |
| 43 | John Mcmillan THIS PERSON | 21 | Son | Machinist | Scotland |
| 44 | Mary Mcmillan | 16 | Daughter | Packer | England |
| 45 | Isabella Mcmillan | 13 | Daughter | None | Scotland |
| 46 | William Mcmillan | 10 | Son | None | Scotland |
| 47 | Louise Vaughan | 43 | Head | None | New York |
| 48 | Henry Osmers | 30 | Head | Teamster | Germany |
| 49 | Bertha Osmers | 26 | Wife | None | Germany |
| 50 | Henry D Osmers | 1 | Son | None | New York |
Pedigree Summary
John + 4 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)