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John Mcmillan — 1920 US Census Record
Model Tree available1920 United States Federal Census · Sumter, Alabama
Our Model Tree links this John Mcmillan across the 1910, 1920, 1930 and 1940 US Censuses in Sumter, Alabama (XGBoost, ~Confirmed), with identified parents Henry & John — first a son (b.~1904), then head of a 4-person household.
Age 16
b. ~1904
Male
Son
Born: Alabama
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Sumter, Alabama |
| Surname | McMillan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Occupation | Laborer |
| Industry | Lumber mill |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Laborer |
| Township / Ward | Precinct 6 York North Of A G S R R |
| Est. Birth Year | ~1904 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Henry Mcmillan | Head | — | 48 | ~1872 |
| Ellen Mcmillan | Spouse | — | 48 | ~1872 |
| John Mcmillan | Son | — | 16 | ~1904 |
| Julia Mcmillan | Daughter | — | 12 | ~1908 |
Census Appearances
1910
Sumter, Alabama
Son, age 8
Sumter, Alabama · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMullan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1920
Sumter, Alabama
Son, age 16
Sumter, Alabama · implied b. ~1904 — 4 household members
| Surname | McMillan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laborer |
| Industry | Lumber mill |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Sumter, Alabama
Son, age 21
Sumter, Alabama · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMillan |
| Given Name | Johnny |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Brakeman |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Sumter-County, Alabama
Head, age 29
Sumter-County, Alabama · implied b. ~1911 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMillon |
| Given Name | Johnnie D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Sumter |
| 1935 Residence (County) | Sumter |
| Occupation | Loading trucks |
| Industry | Lumber |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 308 |
| Highest Grade | No 3 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Mcmillan (~0.92 confidence) and father John Mcmullan (~0.92 confidence) and mother Ellen Mcmillan (~0.92 confidence) and mother Laura Mcmullan (~0.92 confidence) and mother Mamie Grinds (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Mcmillan
b. ~1872
Source father
● Household
· direct · ~0.92
Father
John Mcmullan
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Ellen Mcmillan
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Laura Mcmullan
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mamie Grinds
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mcmillan
Son · 1920 · age 16 · b. ~1904 · Alabama
★ You are viewing this record
Sibling
Julia Mcmillan
Sibling · 1920 · age 12
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 — Sumter, Alabama
Open full size
1920 US Federal Census — Sumter, Alabama
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu041unit:0140)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry L Wheeler | 23 | Head | Farmer | Alabama |
| 2 | Irene Wheeler | 17 | Wife | — | Alabama |
| 3 | Lester Crowell | 65 | Head | Farmer | Mississippi |
| 4 | Emma Crowell | 62 | Wife | — | Alabama |
| 5 | Fannie Crowell | 13 | Daughter | — | Alabama |
| 6 | Tom Crowell | 6 | Son | Laborer | Alabama |
| 7 | Leman Crowell | 10 | Daughter | — | Alabama |
| 8 | Henry Mcmillan | 48 | Head | Farmer | Alabama |
| 9 | Ellen Mcmillan | 48 | Wife | — | Alabama |
| 10 | John Mcmillan THIS PERSON | 16 | Son | Laborer | Alabama |
| 11 | Julia Mcmillan | 12 | Daughter | — | Alabama |
| 12 | Thomas Wilder | 65 | Head | Farmer | Mississippi |
| 13 | Bettie Wilder | 50 | Wife | — | Mississippi |
| 14 | Bettie Wilder | 27 | Daughter | Laborer | Mississippi |
| 15 | Monroe Wilder | 25 | Son | Laborer | Mississippi |
| 16 | Jim Wilder | 24 | Son | Laborer | Alabama |
| 17 | Eunice Wilder | 18 | Daughter | Laborer | Alabama |
| 18 | Irene Wilder | 11 | Daughter | Laborer | Alabama |
| 19 | Gad D Rollins | 21 | Head | Laborer | Alabama |
| 20 | Mattie Rollins | 21 | Wife | — | Alabama |
| 21 | Henry Hart | 52 | Head | Farmer | Alabama |
| 22 | Mattie Hart | 23 | Wife | — | Alabama |
| 23 | Eliza Hart | 17 | Daughter | Laborer | Alabama |
| 24 | Harriet Hart | 15 | Daughter | Farmer | Alabama |
| 25 | Liza Hart | 14 | Daughter | Farmer | Alabama |
| 26 | Cocker Hart | 2 | Son | — | Alabama |
| 27 | Ida Hart | 5 | Son | — | Alabama |
| 28 | Henry Hart | 3 | Son | — | Alabama |
| 29 | J M Gunn | 45 | Head | Driver | Alabama |
| 30 | M J Gunn | 19 | Wife | — | Alabama |
| 31 | Mary Gunn | 2 | Daughter | — | Alabama |
| 32 | William Johnson | 60 | Head | Farmer | Alabama |
| 33 | Katie Johnson | 53 | Wife | — | Alabama |
| 34 | Annie B Rovity | 30 | Daughter | — | Alabama |
| 35 | Gibson Johns | 14 | Son | Laborer | Alabama |
| 36 | Lewis Johns | 14 | Boarder | Laborer | Alabama |
| 37 | Willie Collier | 38 | Head | Driver | Alabama |
| 38 | Beline Collier | 23 | Wife | — | Alabama |
| 39 | Willie Collier | 5 | Son | — | Alabama |
| 40 | Robert Collier | 2 | Son | — | Alabama |
| 41 | Alneron Collier | 5 | Son | — | Alabama |
| 42 | Alex Evans | 70 | Head | Farmer | Alabama |
| 43 | Mandy Evans | 69 | Wife | — | Alabama |
| 44 | Henry Hare | 60 | Head | Farmer | Alabama |
| 45 | Mary Hare | 35 | Wife | — | Alabama |
| 46 | York Hare | 17 | Son | Laborer | Alabama |
| 47 | Hyger Hare | 15 | Son | Laborer | Alabama |
| 48 | Annie Hare | 13 | Daughter | — | Alabama |
| 49 | Archie Hare | 10 | Son | — | Alabama |
| 50 | Lee Hare | 1 | Son | — | Alabama |
Pedigree Summary
John + 1 sibling
Gen 1 · 5 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)