JA
John Alexander — 1930 US Census Record
Model Tree available1930 United States Federal Census · Campbell, Virginia
Our Model Tree links this John Alexander across the 1920, 1930 and 1940 US Censuses in Campbell, Virginia (XGBoost, ~Confirmed), with identified parents George & Susie — first a son (b.~1910), then head of a 4-person household.
Age 20
b. ~1910
Male
Son
Born: Virginia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Campbell, Virginia |
| Surname | Alexander |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Laborer |
| Township / Ward | Rustburg Magisterial Dist |
| Est. Birth Year | ~1910 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Lehigh Alexander | Head | — | 45 | ~1885 |
| John Alexander | Son | — | 20 | ~1910 |
| Murdock Alexander | Son | — | 15 | ~1915 |
| Irene Alexander | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Campbell, Virginia
Son, age 11
Campbell, Virginia · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Campbell, Virginia
Son, age 20
Campbell, Virginia · implied b. ~1910 — 4 household members
| Surname | Alexander |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Campbell-County, Virginia
Head, age 33
Campbell-County, Virginia · implied b. ~1907 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexandria |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Otter River District Magisterial |
| 1935 Residence (County) | Campbell |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Alexander (~0.92 confidence) and mother Susie Alexander (~0.92 confidence) and father Lehigh Alexander (~0.92 confidence) and mother Irene Alexander (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Alexander
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Susie Alexander
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Lehigh Alexander
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Irene Alexander
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Alexander
Son · 1930 · age 20 · b. ~1910 · Virginia
★ You are viewing this record
Sibling
Murdock Alexander
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 — Campbell, Virginia
Open full size
1930 US Federal Census — Campbell, Virginia
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2438unit:0667)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Moss M. Scott | 82 | Head | — | Virginia |
| 52 | Earnest H. Payne | 65 | Head | Farmer | Virginia |
| 53 | Sallie C. Payne | 68 | Wife | — | Virginia |
| 54 | Sam Arthur | 71 | Head | Farmer | Virginia |
| 55 | Viola Arthur | 66 | Wife | — | Virginia |
| 56 | Robt. Mangum | 54 | Head | Farmer | Virginia |
| 57 | Josephine Mangum | 46 | Wife | — | Virginia |
| 58 | Emley Mangum | 19 | Son | Laborer | Virginia |
| 59 | Dorothy Mangum | 17 | Daughter | — | Virginia |
| 60 | Lehigh Alexander | 45 | Head | Laborer | Virginia |
| 61 | Irene Alexander | 40 | Wife | — | Virginia |
| 62 | John Alexander THIS PERSON | 20 | Son | Laborer | Virginia |
| 63 | Murdock Alexander | 15 | Son | — | Virginia |
| 64 | Carlile Thurman | 35 | Head | Farmer | Virginia |
| 65 | Mamie Thurman | 33 | Wife | — | Virginia |
| 66 | Marion T. Thurman | 13 | Son | — | Virginia |
| 67 | Clarence H. Thurman | 11 | Son | — | Virginia |
| 68 | Carlile Jr. Thurman | 9 | Son | — | Virginia |
| 69 | Nancy Thurman | 7 | Daughter | — | Virginia |
| 70 | Chaltie Thurman | 5 | Son | — | Virginia |
| 71 | Annie E. Thurman | 2 | Daughter | — | Virginia |
| 72 | Holcom H. Dinwiddie | 72 | Head | Farmer | Virginia |
| 73 | Alice Dinwiddie | 67 | Wife | — | Virginia |
| 74 | John Coffey | 12 | Son-in-law | — | Virginia |
| 75 | Melvin Herndon | 52 | Head | Farmer | Virginia |
| 76 | Minnie Herndon | 48 | Wife | — | Virginia |
| 77 | Melvin Herndon | 16 | Son | Laborer | Virginia |
| 78 | Alice Herndon | 13 | Daughter | — | Virginia |
| 79 | Irene Herndon | 10 | Daughter | — | Virginia |
| 80 | Carrie Brown | 70 | Head | Farmer | North Carolina |
| 81 | Elline Brown | 69 | Wife | — | North Carolina |
| 82 | Eddie Brown | 31 | Son | Laborer | Virginia |
| 83 | Willie Foreman | 52 | Head | Farmer | Virginia |
| 84 | Bessie Foreman | 52 | Wife | — | Virginia |
| 85 | Rebecca Foreman | 23 | Daughter | — | Virginia |
| 86 | Carlton T. Foreman | 17 | Son | — | Virginia |
| 87 | Joe Foreman | 13 | Son | Laborer | Virginia |
| 88 | Robt. Matthews | 28 | Head | Laborer | Virginia |
| 89 | Essie Matthews | 34 | Wife | — | Virginia |
| 90 | Doc Herndon | 48 | Head | — | Virginia |
| 91 | Nannie Herndon | 19 | Daughter | — | Virginia |
| 92 | Robert Herndon | 47 | Head | Farmer | Virginia |
| 93 | Lillie Herndon | 34 | Wife | — | Virginia |
| 94 | Mary S. Herndon | 13 | Daughter | — | Virginia |
| 95 | Robert W. Herndon | 13 | Son | Laborer | Virginia |
| 96 | Martha E. Herndon | 13 | Daughter | — | Virginia |
| 97 | Eathel F. Herndon | 11 | Daughter | — | Virginia |
| 98 | Zelma M. Herndon | 10 | Daughter | — | Virginia |
| 99 | Eliza L. Herndon | 8 | Son | — | Virginia |
| 100 | Ella C. Herndon | 6 | Daughter | — | Virginia |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 parents
~0.92
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)