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John Simmons — 1930 US Census Record
Model Tree available1930 United States Federal Census · Charleston, South Carolina
Our Model Tree links this John Simmons across the 1900, 1910, 1920 and 1930 US Censuses in Charleston, South Carolina (XGBoost, ~Confirmed), with identified parents Calvin & Jane — first a head (b.~1894), then head of a 3-person household.
Age 36
b. ~1894
Male
Head
Born: South Carolina
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Charleston, South Carolina |
| Surname | Simmons |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 29 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Stevedore |
| Industry | Steamship Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Stevedore |
| Township / Ward | City Of Charleston |
| Est. Birth Year | ~1894 |
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 |
|---|---|---|---|---|
| John Simmons | Head | — | 36 | ~1894 |
| Joe Simmons | Son | — | 5 | ~1925 |
| Rachel Simmons | Spouse | — | 28 | ~1902 |
Census Appearances
1900
Charleston, South …
Son, age 7
Charleston, South Carolina · implied b. ~1893 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Birth Month | May |
| Birth Year | 1893 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1910
Charleston, South …
Son, age 16
Charleston, South Carolina · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farm Help |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1920
Charleston, South …
Head, age 25
Charleston, South Carolina · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Carpenter |
| Industry | House Bldg |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Charleston, South …
Head, age 36
Charleston, South Carolina · implied b. ~1894 — 3 household members
| Surname | Simmons |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 29 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Stevedore |
| Industry | Steamship Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south 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 Simmons across 4 US Census years (1900, 1910, 1920 and 1930) in Charleston, South Carolina, using XGBoost record linkage. Identified parents: father Calvin Simmons (~0.92 confidence) and mother Jane Simmons (~0.92 confidence) and father Isaac Simmons (~0.92 confidence) and mother Gardie Simmons (~0.92 confidence) and mother Catherine Simmons (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Calvin Simmons
b. ~1845
Source father
● Household
· direct · ~0.92
Mother
Jane Simmons
b. ~1855
Source mother
● Household
· direct · ~0.92
Father
Isaac Simmons
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Gardie Simmons
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Catherine Simmons
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Simmons
Head · 1930 · age 36 · b. ~1894 · South Carolina
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Charleston, South Carolina
Open full size
1930 US Federal Census — Charleston, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2189unit:0400)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William P Scott | 48 | Head | Jeweler | South Carolina |
| 2 | Hermine L Scott | 40 | Wife | — | South Carolina |
| 3 | Annie G Scott | 17 | Daughter | — | South Carolina |
| 4 | Maria M Scott | 15 | Daughter | — | South Carolina |
| 5 | Porter G Scott | 9 | Daughter | — | South Carolina |
| 6 | William P Jr Scott | 7 | Son | — | South Carolina |
| 7 | Catherine P Seiding | 75 | Mother | — | South Carolina |
| 8 | Rebecca Smith | 42 | Servant | Nurse | South Carolina |
| 9 | James S Pairs | 65 | Head | Salesman | Virginia |
| 10 | Florence M Pairs | 55 | Wife | — | South Carolina |
| 11 | Florence M Pairs | 17 | Daughter | — | South Carolina |
| 12 | James S Jr Pairs | 15 | Son | — | South Carolina |
| 13 | John Simmons THIS PERSON | 36 | Head | Stevedore | South Carolina |
| 14 | Rachel Simmons | 28 | Wife | Laundress | South Carolina |
| 15 | Joe Jr Simmons | 5 | Son | — | South Carolina |
| 16 | Sarah Washington | 30 | Head | Cook | South Carolina |
| 17 | Rosalie Washington | 15 | Daughter | — | South Carolina |
| 18 | James Anderson | 15 | Head | — | South Carolina |
| 19 | Emma Anderson | 40 | Mother | Laundress | South Carolina |
| 20 | William Anderson | 3 | Son | — | South Carolina |
| 21 | Anna Mitter | 24 | Daughter | Housework | South Carolina |
| 22 | George Anderson | 22 | Son | Mechanic | South Carolina |
| 23 | Rosalie Wright | 45 | Head | Laundress | South Carolina |
| 24 | Irene Wright | 25 | Daughter | Housework | South Carolina |
| 25 | Willie Anna Wright | 19 | Daughter | Nurse | South Carolina |
| 26 | Agnes Wright | 12 | Daughter | — | South Carolina |
| 27 | Clarence Smiley | 35 | Head | Steward | South Carolina |
| 28 | Isaac Smiley | 17 | Son | Stevedore | South Carolina |
| 29 | Laura Jenkins | 23 | Head | Housework | South Carolina |
| 30 | Everlina Spears | 30 | Head | Cook | South Carolina |
| 31 | Jennie Malla | 30 | Head | Cook | South Carolina |
| 32 | Louise Malla | 5 | Daughter | — | South Carolina |
| 33 | Harry Malla | 12 | Son | — | South Carolina |
| 34 | Minnie Ford | 40 | Head | Cook | South Carolina |
| 35 | Gilbert Smalls | 32 | Head | Stevedore | South Carolina |
| 36 | Essie Smalls | 29 | Wife | Worker | South Carolina |
| 37 | Benjamin Smalls | 12 | Son | — | South Carolina |
| 38 | Henry Smalls | 3 | Son | — | South Carolina |
| 39 | Isabel Smalls | 2 | Daughter | — | South Carolina |
| 40 | John R Johnson | 40 | Head | Salesman | South Carolina |
| 41 | Ann Johnson | 37 | Wife | — | South Carolina |
| 42 | George W Johnson | 13 | Son | — | South Carolina |
| 43 | Ann R Johnson | 7 | Daughter | — | South Carolina |
| 44 | Lena Wicking | 72 | Mother | — | Germany |
| 45 | John P Johnson | 31 | Brother | Engineer | South Carolina |
| 46 | Andrew P Wagener | 43 | Lodger | Teacher | South Carolina |
| 47 | James Campbell | 75 | Head | — | South Carolina |
| 48 | August Fischer | 57 | Head | President | South Carolina |
| 49 | Hermine Fischer | 45 | Wife | — | South Carolina |
| 50 | Hermine Fischer | 19 | Daughter | Clerk | South Carolina |
Related Census Records
Pedigree Summary
John
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 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)