CM
Charles Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Scioto-County, Ohio
Our Model Tree links this Charles Martin across the 1920, 1930 and 1940 US Censuses in Scioto-County, Ohio (XGBoost, ~Confirmed), with identified parents George & George — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Scioto-County, Ohio |
| Surname | Martin |
| Given Name | Charles R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Portsmouth |
| 1935 Residence (County) | Scioto |
| Additional Details | |
| Occupation | Iron worker |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 271 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Iron Worker |
| Township / Ward | Portsmouth |
| Est. Birth Year | ~1917 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| George Martin | Head | — | 67 | ~1873 |
| Paul Martin | Son | — | 19 | ~1921 |
| Charles Martin | Son | — | 23 | ~1917 |
| Marion Martin | Son | — | 31 | ~1909 |
| Lewis Martin | Son | — | 17 | ~1923 |
| Nellie Martin | Spouse | — | 66 | ~1874 |
Census Appearances
1920
Scioto, Ohio
Son, age 3
Scioto, Ohio · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Charles R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Scioto, Ohio
Son, age 13
Scioto, Ohio · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Charles R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Scioto-County, Ohio
Son, age 23
Scioto-County, Ohio · implied b. ~1917 — 6 household members
| Surname | Martin |
| Given Name | Charles R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Portsmouth |
| 1935 Residence (County) | Scioto |
| Occupation | Iron worker |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 271 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Charles Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Martin (~0.92 confidence) and father George Martin (~0.92 confidence) and mother Nellie Martin (~0.92 confidence) and mother Nellie Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Martin
b. ~1873
Source father
● Household
· direct · ~0.92
Father
George Martin
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Nellie Martin
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Nellie Martin
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Martin
Son · 1940 · age 23 · b. ~1917 · Ohio
★ You are viewing this record
Sibling
Paul Martin
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Martin
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Martin
Sibling · 1940 · age 17
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
1940 US Federal Census — Scioto-County, Ohio
Open full size
1940 US Federal Census — Scioto-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03143-00619)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Darlene M. Hamilton | 14 | Daughter | — | Kentucky |
| 42 | Leroy L. Hamilton | 11 | Son | — | Ohio |
| 43 | Wilma O. Hamilton | 9 | Daughter | — | Ohio |
| 44 | Russel G. Hamilton | 7 | Son | — | Ohio |
| 45 | John A. Miller | 70 | Head | Repairman | Ohio |
| 46 | Fannie E. Miller | 68 | Wife | — | Ohio |
| 47 | George J. Martin | 67 | Head | Watchman | North Carolina |
| 48 | Nellie M. Martin | 66 | Wife | — | Ohio |
| 49 | Marion A. Martin | 31 | Son | Retail Clerk | Ohio |
| 50 | Charles R. Martin THIS PERSON | 23 | Son | Iron Worker | Ohio |
| 51 | Paul F. Martin | 19 | Son | Waiter | Ohio |
| 52 | Lewis J. Martin | 17 | Son | — | Ohio |
| 53 | Hawley Jordan | 51 | Head | Boiler Maker | Kentucky |
| 54 | Etta H. Jordan | 51 | Wife | — | Kentucky |
| 55 | Clarence M. Jordan | 21 | Son | Truck Driver | Ohio |
| 56 | Ruby B. Jordan | 18 | Daughter | — | Ohio |
| 57 | Evelyn E. Jordan | 15 | Daughter | — | Ohio |
| 58 | Virginia E. Jordan | 13 | Daughter | — | Ohio |
| 59 | Phylis Bonner | 6 | Grand daughter | — | Ohio |
| 60 | Paul R. Bahner | 42 | Head | Department Of Research | Ohio |
| 61 | Thelma T. Bahner | 35 | Wife | — | Ohio |
| 62 | George W. Bahner | 17 | Son | Laborer | Ohio |
| 63 | David Bahner | 16 | Son | — | Ohio |
| 64 | Kathern Bahner | 15 | Daughter | — | Ohio |
| 65 | Joesph Sturgell | 53 | Head | Section Foreman | Kentucky |
| 66 | Lora Sturgell | 50 | Wife | — | Kentucky |
| 67 | Joesph Sturgell | 13 | Son | — | Ohio |
| 68 | Geneva Sturgell | 10 | Daughter | — | Ohio |
| 69 | Gary Sturgell | 7 | Son | — | Ohio |
| 70 | Sharon Lou Sturgell | 3 | Grand daughter | — | Ohio |
| 71 | Fred E. Justice | 33 | Head | Nail Machine Helper | Ohio |
| 72 | Eva Justice | 33 | Wife | — | Ohio |
| 73 | Fred Jr. Justice | 13 | Son | — | Ohio |
| 74 | Charles Withrow | 53 | Head | Barber | West Virginia |
| 75 | Lovey Jane Withrow | 52 | Wife | — | West Virginia |
| 76 | Jack E. Withrow | 19 | Son | Drawing & Cutting Stencils | Ohio |
| 77 | Floyd E. Mcgraw | 39 | Head | Laborer | Ohio |
| 78 | Ruth M. Mcgraw | 36 | Wife | — | Kentucky |
| 79 | Floyd W. Mcgraw | 2 | Son | — | Ohio |
| 80 | Wanda J. Mcgraw | 1 | Daughter | — | Ohio |
Pedigree Summary
Charles + 3 siblings
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 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)