JA
John Alexander — 1930 US Census Record
Model Tree available1930 United States Federal Census · Mecklenburg, North Carolina
Our Model Tree links this John Alexander across the 1910, 1920 and 1930 US Censuses in Mecklenburg, North Carolina (XGBoost, ~Confirmed), with identified parents Mack & Tyler — first a son (b.~1908), then head of a 3-person household.
Age 22
b. ~1908
Male
Son
Born: North Carolina
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Mecklenburg, North Carolina |
| Surname | Alexander |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Age at First Marriage | 17 |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Additional Details | |
| Occupation | Laborer |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Occupation | Laborer |
| Township / Ward | Charlotte City |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Annie Alexander | Daughter | — | 21 | ~1909 |
| Mack Alexander | Head | — | 60 | ~1870 |
| John Alexander | Son | — | 22 | ~1908 |
Census Appearances
1910
Mecklenburg, North …
Son, age 4
Mecklenburg, North Carolina · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1920
Mecklenburg, North …
Son, age 14
Mecklenburg, North Carolina · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1930
Mecklenburg, North …
Son, age 22
Mecklenburg, North Carolina · implied b. ~1908 — 3 household members
| Surname | Alexander |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Age at First Marriage | 17 |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | Laborer |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
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 Alexander across 3 US Census years (1910, 1920 and 1930) in Mecklenburg, North Carolina, using XGBoost record linkage. Identified parents: father Mack Alexander (~0.92 confidence) and father Tyler Alexander (~0.92 confidence) and mother Laura Alexander (~0.60 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Father
Mack Alexander
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Tyler Alexander
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Laura Alexander
b. ~1895
Source mother
● Household
· direct · ~0.6
This person
Anchor record
John Alexander
Son · 1930 · age 22 · b. ~1908 · North Carolina
★ You are viewing this record
Sibling
Annie Alexander
Sibling · 1930 · age 21
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 — Mecklenburg, North Carolina
Open full size
1930 US Federal Census — Mecklenburg, North Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1705unit:0411)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Price | 48 | Head | Dipping Tray | South Carolina |
| 2 | Rebecca Price | 40 | Wife | Cook | South Carolina |
| 3 | Will Davis | 44 | Head | Laborer | United States |
| 4 | Mable Lee Davis | 28 | Wife | Housekeeping | Georgia |
| 5 | Mack Quince Davis | 3 | Son | — | United States |
| 6 | Neal Davis | 8 | Son | — | United States |
| 7 | Mary G. Davis | 2 | Daughter | — | United States |
| 8 | Mack Alexander | 60 | Head | Laborer | North Carolina |
| 9 | John Alexander THIS PERSON | 22 | Son | Laborer | North Carolina |
| 10 | Annie Lee Alexander | 21 | Daughter | Saleslady | South Carolina |
| 11 | Edd Henderson | 61 | Head | Janitor | North Carolina |
| 12 | Jessie Henderson | 60 | Wife | Laborer | North Carolina |
| 13 | James Miller | 47 | Head | Laundress | South Carolina |
| 14 | Robert Miller | 20 | Son | Laborer | North Carolina |
| 15 | Rogers Miller | 17 | Son | Laborer | North Carolina |
| 16 | Judges Calhoun | 52 | Head | Laundress | South Carolina |
| 17 | Eunice Calhoun | 45 | Wife | Laborer | North Carolina |
| 18 | James M. Calhoun | 19 | Son | Cook | North Carolina |
| 19 | Sadie B. Calhoun | 13 | Daughter | Laborer | North Carolina |
| 20 | Jerry J. Calhoun | 11 | Son | — | North Carolina |
| 21 | Will Brown | 25 | Head | — | South Carolina |
| 22 | Lucile Brown | 26 | Wife | Laborer | South Carolina |
| 23 | Charles M. Henry | 5 | Nephew | Maid | South Carolina |
| 24 | Annie M. Davis | 6 | Niece | — | South Carolina |
| 25 | Hannah Reader | 50 | Head | — | South Carolina |
| 26 | Ola Reader | 17 | Daughter | Maid | South Carolina |
| 27 | Lila Culligan | 40 | Head | Cook | South Carolina |
| 28 | Helen Culligan | 19 | Daughter | Cook | South Carolina |
| 29 | Richard Culligan | 10 | Son | Laundress | North Carolina |
| 30 | Cary Crawford | 49 | Head | Laborer | South Carolina |
| 31 | Maggie Crawford | 28 | Wife | Janitor | South Carolina |
| 32 | Cary Jr. Crawford | 8 | Son | Cook | South Carolina |
| 33 | George Harris | 50 | Head | — | Georgia |
| 34 | Minnie Harris | 43 | Wife | Laborer | South Carolina |
| 35 | Lewis Harris | 4 | Son | Cook | South Carolina |
| 36 | Cora Paterson | 32 | Head | — | South Carolina |
| 37 | William Paterson | 19 | Son | — | South Carolina |
| 38 | Melvin Edwards | 25 | Head | Dishwasher | South Carolina |
| 39 | Alday Edwards | 24 | Wife | Laborer | South Carolina |
| 40 | Mary A. Edwards | 4 | Daughter | Housekeeping | South Carolina |
| 41 | Martha D. Edwards | 2 | Daughter | — | South Carolina |
| 42 | John Edwards | 1 | Son | — | South Carolina |
| 43 | Richard Hayes | 45 | Head | — | North Carolina |
| 44 | Cora Hayes | 43 | Wife | Laborer | North Carolina |
| 45 | Tessie G. Hayes | 15 | Daughter | Laundress | North Carolina |
| 46 | Curtis G. Hayes | 9 | Son | — | North Carolina |
| 47 | Thelma Hayes | 7 | Daughter | — | North Carolina |
| 48 | Robert Ray Hayes | 5 | Son | — | North Carolina |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
Pedigree Summary
John + 1 sibling
Gen 1 · 3 parents
~0.81
Max depth 4 (1900–1950 window)
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)