JM
John Madden — 1940 US Census Record
Model Tree available1940 United States Federal Census · Charleston-County, South Carolina
Our Model Tree links this John Madden across the 1920, 1930 and 1940 US Censuses in Charleston-County, South Carolina (XGBoost, ~Confirmed), with identified parents John & Elizabeth — first a head (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Charleston-County, South Carolina |
| Surname | Madden |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Charleston City |
| 1935 Residence (County) | Charleston |
| Additional Details | |
| Occupation | Salesman |
| Industry | Hardware |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1560 |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Salesman |
| Township / Ward | Charleston City |
| Est. Birth Year | ~1898 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Madden | Daughter | — | 13 | ~1927 |
| Hesta Madden | Spouse | — | 28 | ~1912 |
| John Madden | Head | — | 42 | ~1898 |
Census Appearances
1920
Charleston, South …
Son, age 22
Charleston, South Carolina · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Bookkeeper |
| Industry | Auto Supply Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Charleston, South …
Son, age 31
Charleston, South Carolina · implied b. ~1899 — 40 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | John J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Bookkeeper |
| Industry | Insurance Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Charleston-County, South …
Head, age 42
Charleston-County, South Carolina · implied b. ~1898 — 3 household members
| Surname | Madden |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Charleston City |
| 1935 Residence (County) | Charleston |
| Occupation | Salesman |
| Industry | Hardware |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1560 |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| 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 Madden across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Madden (~0.92 confidence) and mother Elizabeth Madden (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Madden
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Madden
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Madden
Head · 1940 · age 42 · b. ~1898 · South Carolina
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Charleston-County, South Carolina
Open full size
1940 US Federal Census — Charleston-County, South Carolina
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-03793-00320)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy E. Sullivan | 30 | Daughter | File Clerk | South Carolina |
| 42 | Joseph J. Sullivan | 25 | Son | Route Man | South Carolina |
| 43 | Leslie Young | 44 | Head | Electrician | Maine |
| 44 | Helen O. Young | 42 | Wife | — | Maine |
| 45 | Hazel Young | 23 | Daughter | — | Vermont |
| 46 | John Reilly | 48 | Head | Clerk | South Carolina |
| 47 | Helen Reilly | 32 | Wife | — | South Carolina |
| 48 | Charles Groom | 28 | Head | Bus Driver | South Carolina |
| 49 | Virginia O. Groom | 24 | Wife | Binder-Stretcher | South Carolina |
| 50 | Charles Jr. Groom | 5 | Son | — | South Carolina |
| 51 | Matthew Braid | 33 | Head | Salesman | South Carolina |
| 52 | Sarah Braid | 28 | Wife | — | South Carolina |
| 53 | Matthew Jr. Braid | 6 | Son | — | South Carolina |
| 54 | Henry J. Bullwinkel | 51 | Head | Time Keeper | South Carolina |
| 55 | Edith C. Bullwinkel | 36 | Wife | — | South Carolina |
| 56 | Frances Bullwinkel | 7 | Daughter | — | South Carolina |
| 57 | Louis Schlufter | 51 | Head | Master Mechanic | South Carolina |
| 58 | Jessie Schlufter | 47 | Wife | — | South Carolina |
| 60 | John J. Madden THIS PERSON | 42 | Head | Salesman | South Carolina |
| 61 | Hesta K. Madden | 28 | Wife | — | South Carolina |
| 62 | Elizabeth C. Madden | 13 | Daughter | — | South Carolina |
| 63 | Bernard Miller | 29 | Head | Machinist | West Virginia |
| 64 | Georgia O. Miller | 30 | Wife | — | West Virginia |
| 65 | Bernard Jr. Miller | 9 | Son | — | West Virginia |
| 66 | George W. Arnot | 31 | Head | Clerk | South Carolina |
| 67 | Ruth B. Arnot | 29 | Wife | — | South Carolina |
| 68 | George W. Jr. Arnot | 4 | Son | — | South Carolina |
| 69 | Manning S. Heisser | 31 | Head | Salesman | South Carolina |
| 70 | English A. Heisser | 30 | Wife | — | South Carolina |
| 71 | Diane M. Heisser | 3 | Daughter | — | South Carolina |
| 74 | Joseph O. Abbott | 38 | Head | Clerk | South Carolina |
| 75 | Teresa Abbott | 36 | Wife | — | North Carolina |
| 76 | George Abbott | 10 | Son | — | South Carolina |
| 77 | Martha Abbott | 9 | Daughter | — | South Carolina |
| 78 | Mildred Abbott | 5 | Daughter | — | South Carolina |
| 79 | Angelos Castanes | 44 | Head | Merchant | Greece |
| 80 | Mary Castanes | 26 | Wife | — | Greece |
Pedigree Summary
John
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)