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Mary Mcmillan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Knox, Indiana
Our Model Tree links this Mary Mcmillan across the 1930 and 1940 US Censuses in Knox, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 9-person household.
Age 0
b. ~1930
Female
Daughter
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Knox, Indiana |
| Surname | McMillan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Texas |
| Additional Details | |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Vincennes City |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Mcmillan | Daughter | — | 16 | ~1914 |
| William Mcmillan | Head | — | 47 | ~1883 |
| Mary Mcmillan | Daughter | — | ~1930 | |
| Lida Mcmillan | Spouse | — | 41 | ~1889 |
| Pat Mcmillan | Son | — | 2 | ~1928 |
| James Mcmillan | Son | — | 11 | ~1919 |
| John Mcmillan | Son | — | 18 | ~1912 |
| Harry Mcmillan | Son | — | 13 | ~1917 |
| Agnes Mcmillan | Daughter | — | 9 | ~1921 |
Census Appearances
1930
Knox, Indiana
Daughter, age
Knox, Indiana · implied b. ~1930 — 9 household members
| Surname | McMillan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Texas |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Knox-County, Indiana
Daughter, age 10
Knox-County, Indiana · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMillin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Vincennes City |
| 1935 Residence (County) | Knox |
| Highest Grade | No 4 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Mary Mcmillan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcmillan
Daughter · 1930 · age 0 · b. ~1930 · Indiana
★ You are viewing this record
Sibling
John Mcmillan
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcmillan
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Mcmillan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Mcmillan
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pat Mcmillan
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Mcmillan
Sibling · 1930 · age 13
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
1930 US Federal Census — Knox, Indiana
Open full size
1930 US Federal Census — Knox, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel597:0051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nora E Potts | 50 | Wife | — | Indiana |
| 2 | Doris Potts | 16 | Daughter | — | Indiana |
| 3 | Hollie Potts | 14 | Daughter | — | Indiana |
| 4 | Paul Potts | 12 | Son | — | Indiana |
| 5 | Gilbert Potts | 25 | Son | Laborer | Indiana |
| 6 | Homer Lee | 49 | Head | Laborer | Indiana |
| 7 | Emma Lee | 46 | Wife | — | Indiana |
| 8 | Ruth Lee | 13 | Daughter | — | Indiana |
| 9 | Mildred Lee | 9 | Daughter | — | Indiana |
| 10 | Charles Lee | 7 | Son | — | Indiana |
| 11 | Conrad R Cain | 22 | Head | Laborer | Indiana |
| 12 | Mildred Cain | 18 | Wife | Hoseley | Indiana |
| 13 | Commodore P Dixon | 68 | Head | Retail Grocer | Indiana |
| 14 | Maggie Dixon | 59 | Wife | — | Indiana |
| 15 | Berthel Dixon | 23 | Son | Auto Polisher | Indiana |
| 16 | Audrey Dixon | 20 | Daughter | Typist | Indiana |
| 17 | Maude Reynolds | 25 | Daughter | — | Indiana |
| 18 | Lois F Reynolds | 7 | Granddaughter | — | Indiana |
| 19 | Charles Byrne | 51 | Head | Shipping Clerk | Indiana |
| 20 | Roxanne Wright | 21 | Daughter | — | Indiana |
| 21 | Lester Wright | 19 | Son-in-law | Mechanic | Indiana |
| 22 | Charles Butler | 50 | Head | Collector | Scotland |
| 23 | Ada Butler | 58 | Wife | — | Ohio |
| 24 | George Rogers | 49 | Boarder | Clerk | Indiana |
| 25 | Harold Rogers | 12 | Boarder | — | Indiana |
| 26 | Julia Rogers | 9 | Boarder | — | Indiana |
| 27 | William Mcmillan | 47 | Head | Molder | Indiana |
| 28 | Lida Mcmillan | 41 | Wife | — | Texas |
| 29 | John Mcmillan | 18 | Son | Butter | Indiana |
| 30 | Ruth Mcmillan | 16 | Daughter | Skinner | Indiana |
| 31 | Harry Mcmillan | 13 | Son | — | Indiana |
| 32 | James Mcmillan | 11 | Son | — | Indiana |
| 33 | Agnes Mcmillan | 9 | Daughter | — | Indiana |
| 34 | Pat Mcmillan | 2 | Son | — | Indiana |
| 35 | Mary Mcmillan THIS PERSON | 0 | Daughter | — | Indiana |
| 36 | George Mckay | 30 | Head | Clerk | Illinois |
| 37 | Violet Mckay | 27 | Wife | — | Illinois |
| 38 | Robert Moon | 25 | Head | Molder | Indiana |
| 39 | Murl Moon | 23 | Wife | Cleaning Woman | Indiana |
| 40 | Clayton Moon | 5 | Son | — | Indiana |
| 41 | Marjory Moon | 3 | Daughter | — | Indiana |
| 42 | John Talley | 63 | Head | — | Illinois |
| 43 | Gilbert Ray Talley | 28 | Daughter | — | Illinois |
| 44 | Ray Talley | 29 | Head | Laborer | Illinois |
| 45 | Sam Talley | 28 | Wife | — | Tennessee |
| 46 | Lelaude Talley | 10 | Son | — | Indiana |
| 47 | Lois Talley | 7 | Daughter | — | Indiana |
| 48 | Thomas Talley | 7 | Son | — | Indiana |
| 49 | James Talley | 4 | Son | — | Indiana |
| 50 | James Rayborn | 35 | Head | Fireman | Indiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)