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John Mcmillan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Irwin, Georgia
Our Model Tree links this John Mcmillan across the 1930 and 1940 US Censuses in Irwin, Georgia (XGBoost, ~Confirmed) — first a son (b.~1902), then head of a 12-person household.
Age 28
b. ~1902
Male
Son
Born: Georgia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Irwin, Georgia |
| Surname | McMillan |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Farmer |
| Township / Ward | Roberts Militia District 1421 |
| Est. Birth Year | ~1902 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Irene Mcmillan | Daughter | — | 12 | ~1918 |
| Mary Mcmillan | Daughter | — | 15 | ~1915 |
| Elmina Hunter | Other | — | 78 | ~1852 |
| Elnora Mcmillan | Daughter | — | 18 | ~1912 |
| Nora Mcmillan | Daughter | — | 10 | ~1920 |
| Martha Mcmillan | Daughter | — | 3 | ~1927 |
| Martha Mcmillan | Other | — | 45 | ~1885 |
| John Mcmillan | Son | — | 28 | ~1902 |
| James Mcmillan | Son | — | 5 | ~1925 |
| James Mcmillan | Head | — | 43 | ~1887 |
| Doris Mcmillan | Daughter | — | 8 | ~1922 |
| Charles Mcmillan | Son | — | 1 | ~1929 |
Census Appearances
1930
Irwin, Georgia
Son, age 28
Irwin, Georgia · implied b. ~1902 — 12 household members
| Surname | McMillan |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Irwin-County, Georgia
Head, age 38
Irwin-County, Georgia · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacMillan |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | M.D. 1529 Ocilla |
| 1935 Residence (County) | Irwin |
| Occupation | Farmer |
| Industry | Agriculture |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcmillan
Son · 1930 · age 28 · b. ~1902 · Georgia
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Sibling
Mary Mcmillan
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Mcmillan
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mcmillan
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Mcmillan
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Mcmillan
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nora Mcmillan
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elnora Mcmillan
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcmillan
Sibling · 1930 · age 5
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 — Irwin, Georgia
Open full size
1930 US Federal Census — Irwin, Georgia
Page Contents
50 people indexed on this census page (ia:1930:georgiacensus00reel370:0048)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alma Osten | 11 | Son | — | Georgia |
| 2 | Thomas Osten | 9 | Son | — | Georgia |
| 3 | Cley Osten | 6 | Son | — | Georgia |
| 4 | Alapirl Osten | 2 | Daughter | — | Georgia |
| 5 | — | None | — | — | — |
| 6 | James Mcmillan | 43 | Head | Dairyman | Georgia |
| 7 | Martha Mcmillan | 45 | Wife-H | — | Georgia |
| 8 | John H Mcmillan THIS PERSON | 28 | Son | Farmer | Georgia |
| 9 | Elnora Mcmillan | 18 | Daughter | — | Georgia |
| 10 | Mary L Mcmillan | 15 | Daughter | — | Georgia |
| 11 | Irene Mcmillan | 12 | Daughter | — | Georgia |
| 12 | Nora Lee Mcmillan | 10 | Daughter | — | Georgia |
| 13 | Doris Mcmillan | 8 | Daughter | — | Georgia |
| 14 | James W Jr Mcmillan | 5 | Son | — | Georgia |
| 15 | Martha J Mcmillan | 3 | Daughter | — | Georgia |
| 16 | Charles Mcmillan | 1 | Son | — | Georgia |
| 17 | Elmina V Hunter | 78 | Mother-in-law | — | Georgia |
| 18 | John Sirmans | 25 | Head | Farmer | Georgia |
| 19 | Elda Sirmans | 19 | Wife-H | — | Georgia |
| 20 | Mary Sirmans | 57 | Mother | — | Georgia |
| 21 | John Grantham | 29 | Head | Farmer | Georgia |
| 22 | Frankie Grantham | 30 | Wife-H | — | Georgia |
| 23 | Mary L Grantham | 4 | Daughter | — | Georgia |
| 24 | Velba Grantham | 2 | Daughter | — | Georgia |
| 25 | Ed Allen | 45 | Head | Farmer | Georgia |
| 26 | Henrietta Allen | 36 | Wife-H | — | Georgia |
| 27 | Rosa M Allen | 14 | Step-daughter | — | Georgia |
| 28 | Quilla M Allen | 17 | Daughter | — | Georgia |
| 29 | William H Allen | 16 | Son | — | Georgia |
| 30 | Eddie W Allen | 13 | Daughter | — | Georgia |
| 31 | Irma L Allen | 9 | Daughter | — | Georgia |
| 32 | Thelma L Allen | 6 | Daughter | — | Georgia |
| 33 | Hattie C Allen | 4 | Daughter | — | Georgia |
| 34 | Isaac Marchant | 53 | Head | Farmer | Georgia |
| 35 | Lessie Marchant | 44 | Wife-H | — | Georgia |
| 36 | Verdie Marchant | 22 | Daughter | — | Georgia |
| 37 | Rubie Marchant | 18 | Daughter | — | Georgia |
| 38 | Limmie Marchant | 17 | Son | Farmer | Georgia |
| 39 | Gladys Marchant | 15 | Daughter | — | Georgia |
| 40 | Katie Marchant | 13 | Daughter | — | Georgia |
| 41 | Henry Marchant | 12 | Son | — | Georgia |
| 42 | James Marchant | 10 | Son | — | Georgia |
| 43 | Doris Marchant | 7 | Daughter | — | Georgia |
| 44 | Ruth Marchant | 4 | Daughter | — | Georgia |
| 45 | Marion Trowbridge | 27 | Head | Farmer | Georgia |
| 46 | Lois Trowbridge | 26 | Wife-H | — | Georgia |
| 47 | Wesley Trowbridge | 7 | Son | — | Georgia |
| 48 | Vera Trowbridge | 3 | Daughter | — | Georgia |
| 49 | Velma Trowbridge | 2 | Daughter | — | Georgia |
| 50 | Philip Whaley | 42 | Head-H | Farm Manager | Georgia |
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)