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Mary Mcmillan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wabash, Illinois
Our Model Tree links this Mary Mcmillan across the 1930 and 1940 US Censuses in Wabash, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 2
b. ~1928
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wabash, Illinois |
| Surname | McMillan |
| Given Name | Mary L. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Wabash Precinct Part Of |
| Est. Birth Year | ~1928 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcmillan | Daughter | — | 2 | ~1928 |
| Marge Mcmillan | Daughter | — | 7 | ~1923 |
| Guy Mcmillan | Head | — | 40 | ~1890 |
| Grace Mcmillan | Daughter | — | 15 | ~1915 |
| Wendell Mcmillan | Son | — | 12 | ~1918 |
| James Mcmillan | Son | — | 17 | ~1913 |
| Anna Mcmillan | Spouse | — | 36 | ~1894 |
Census Appearances
1930
Wabash, Illinois
Daughter, age 2
Wabash, Illinois · implied b. ~1928 — 7 household members
| Surname | McMillan |
| Given Name | Mary L. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Wabash-County, Illinois
Daughter, age 12
Wabash-County, Illinois · implied b. ~1928 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMillen |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Wabash Precinct |
| 1935 Residence (County) | Wabash |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 2 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
James Mcmillan
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marge Mcmillan
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wendell Mcmillan
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Mcmillan
Sibling · 1930 · age 15
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 — Wabash, Illinois
Open full size
1930 US Federal Census — Wabash, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel565:0539)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jess W. Gher | 62 | Head | None | Illinois |
| 2 | Letha A. Gher | 60 | wife | None | Indiana |
| 3 | Gideon Gher | 16 | son | None | Illinois |
| 4 | Ray Gher | 19 | son | Labor | Illinois |
| 5 | William G. Cofin | 66 | Head | Farmer | Illinois |
| 6 | Lucy M. Cofin | 66 | wife | None | Illinois |
| 7 | George Johnson | 16 | servant | None | Illinois |
| 8 | Jos. H. Buchanan | 68 | Head | Farmer | Illinois |
| 9 | Fanny G. Buchanan | 63 | wife | None | Illinois |
| 10 | Fredrick Buchanan | 26 | Head | Farmer | Illinois |
| 11 | Sadie L. Buchanan | 26 | wife | None | Illinois |
| 12 | Paul J. Buchanan | 8 | son | None | Illinois |
| 13 | Joe R. Buchanan | 7 | son | None | Illinois |
| 14 | Lois J. Buchanan | 6 | daughter | None | Illinois |
| 15 | Jack G. Buchanan | 2 | son | None | Illinois |
| 16 | Opal E. Buchanan | 0 | daughter | None | Illinois |
| 17 | Arthur J. Turner | 48 | Head | Pumper | Indiana |
| 18 | Chloe J. Turner | 41 | wife | None | Indiana |
| 19 | Arthur D. Turner | 18 | son | None | Indiana |
| 20 | Eugene J. Turner | 15 | son | None | Indiana |
| 21 | Doris L. Turner | 10 | daughter | None | Illinois |
| 22 | Rene C. Turner | 8 | daughter | None | Illinois |
| 23 | James H. Turner | 2 | son | None | Illinois |
| 24 | John Robinson | 46 | Head | Pumper | Illinois |
| 25 | May Robinson | 38 | wife | None | Illinois |
| 26 | Leo C. Robinson | 17 | son | None | Illinois |
| 27 | John M. Robinson | 14 | son | None | Illinois |
| 28 | Robert C. Robinson | 12 | son | None | Illinois |
| 29 | Arthur M. Simons | 62 | Head | Pumper | Michigan |
| 30 | Altha Simons | 58 | wife | Pumper | Ohio |
| 31 | Elizabeth R. Simons | 20 | daughter | None | Indiana |
| 32 | Doris P. Simons | 17 | daughter | None | Michigan |
| 33 | Guy Mcmillan | 40 | Head | Farmer | Illinois |
| 34 | Anna N. Mcmillan | 36 | wife | None | Indiana |
| 35 | James E. Mcmillan | 17 | son | None | Illinois |
| 36 | Grace Mcmillan | 15 | daughter | None | Illinois |
| 37 | Wendell G. Mcmillan | 12 | son | None | Illinois |
| 38 | Marge Mcmillan | 7 | daughter | None | Illinois |
| 39 | Mary L. Mcmillan THIS PERSON | 2 | daughter | None | Illinois |
| 40 | Joshua J. Mcmillan | 48 | Head | Labor | Illinois |
| 41 | Mary D. Mcmillan | 46 | wife | None | Indiana |
| 42 | Charles Mcmillan | 14 | son | None | Illinois |
| 43 | James B. Mcmillan | 12 | son | None | Illinois |
| 44 | Pearl D. Mcmillan | 8 | daughter | None | Illinois |
| 45 | Oley J. Buchanan | 31 | Head | Farmer | Illinois |
| 46 | Amy D. Buchanan | 26 | wife | None | Indiana |
| 47 | Nellie J. Buchanan | 8 | daughter | None | Illinois |
| 48 | Foster E. Buchanan | 7 | son | None | Illinois |
| 49 | Joan J. Buchanan | 4 | daughter | None | Illinois |
| 50 | James Dohrn | 66 | servant | Labor | 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)