HM
Harold Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Stark-County, Ohio
Our Model Tree links this Harold Martin across the 1920, 1930 and 1940 US Censuses in Stark-County, Ohio (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a son (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Stark-County, Ohio |
| Surname | Martin |
| Given Name | Harold G. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Canton City |
| 1935 Residence (County) | Stark |
| Additional Details | |
| Occupation | contractor helping father |
| Industry | private work |
| Class of Worker | OA |
| Hours Worked | 24 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Contractor Helping Father |
| Township / Ward | Canton City |
| Est. Birth Year | ~1916 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Harold Martin | Son | — | 24 | ~1916 |
| Ethel Martin | Spouse | — | 48 | ~1892 |
| Fred Martin | Head | — | 58 | ~1882 |
Census Appearances
1920
Stark, Ohio
Son, age 3
Stark, Ohio · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harold G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Stark, Ohio
Son, age 13
Stark, Ohio · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Stark-County, Ohio
Son, age 24
Stark-County, Ohio · implied b. ~1916 — 3 household members
| Surname | Martin |
| Given Name | Harold G. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Canton City |
| 1935 Residence (County) | Stark |
| Occupation | contractor helping father |
| Industry | private work |
| Class of Worker | OA |
| Hours Worked | 24 |
| Income (1939) | 0 |
| 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 Harold Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Martin (~0.92 confidence) and father Fred Martin (~0.92 confidence) and mother Lillian Martin (~0.92 confidence) and father Charles Martin (~0.92 confidence) and mother Ethel Martin (~0.92 confidence) and mother Ethel Martin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Martin
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Fred Martin
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Lillian Martin
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Charles Martin
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Ethel Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Ethel Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Martin
Son · 1940 · age 24 · b. ~1916 · Ohio
★ 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 — Stark-County, Ohio
Open full size
1940 US Federal Census — Stark-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03185-00024)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret B. Grenwalt | 67 | wife | — | Ohio |
| 2 | Flora B. Kimball | 65 | sister in law | — | Ohio |
| 3 | George Ravenstine | 47 | head | Contractor | Ohio |
| 4 | Ida B. Ravenstine | 51 | wife | — | Indiana |
| 5 | George Jr. Ravenstine | 23 | son | — | Ohio |
| 6 | Robert H. Ravenstine | 19 | son | — | Ohio |
| 7 | Samuel Lunn | 63 | head | Laborer | Pennsylvania |
| 8 | Elizabeth Lunn | 57 | wife | — | Pennsylvania |
| 9 | John Dawson | 62 | lodger | Police | Pennsylvania |
| 10 | William L. Cassler | 29 | head | Lineman | Ohio |
| 11 | Hilda D. Cassler | 27 | wife | — | Ohio |
| 12 | Dawn B. Cassler | 3 | daughter | — | Ohio |
| 13 | John F. Leahy | 57 | head | Mechanic | Ohio |
| 14 | Cora Leahy | 56 | wife | — | Ohio |
| 15 | Charles A. Russell | 31 | son in law | Assistant | Ohio |
| 16 | Mary M. Russell | 31 | daughter | — | Ohio |
| 17 | Jane E. Russell | 12 | granddaughter | — | Ohio |
| 18 | Gottfried Droese | 83 | lodger | — | Germany |
| 19 | Eva Von Landen | 68 | head | — | Germany |
| 20 | Fred G. Martin | 58 | head | Contractor | Ohio |
| 21 | Ethel Martin | 48 | wife | — | Ohio |
| 22 | Harold G. Martin THIS PERSON | 24 | son | Contractor Helping Father | Ohio |
| 23 | Donald Mchenrie | 47 | head | Custodian | Ohio |
| 24 | Ethel Mchenrie | 47 | wife | — | Ohio |
| 25 | Louise Mchenrie | 22 | daughter | Clerk | Ohio |
| 26 | George Mchenrie | 19 | son | New Worker | Ohio |
| 27 | Robert Mchenrie | 15 | son | — | Ohio |
| 28 | John Morris | 71 | lodger | — | Ohio |
| 29 | Earl H. Fuelling | 35 | head | Furnace Helper | Ohio |
| 30 | Margaret Fuelling | 26 | wife | — | Ohio |
| 31 | Vivian J. Fuelling | 6 | daughter | — | Ohio |
| 32 | June E. Fuelling | 3 | daughter | — | Ohio |
| 33 | Jerry E. Fuelling | 1 | son | — | Ohio |
| 34 | Perry C. Willis | 50 | head | Railroad Yard | Ohio |
| 35 | Alice Willis | 50 | wife | — | Pennsylvania |
| 36 | Eleanor Miller | 19 | daughter | — | Ohio |
| 37 | Ralph Miller | 20 | son in law | Clerk | Ohio |
| 38 | Rosaline Willis | 24 | daughter | Clerk | Ohio |
| 39 | Alice L. Miller | 12 | granddaughter | — | Ohio |
| 40 | William C. Wempthorne | 38 | head | Machinist | Ohio |
Pedigree Summary
Harold
Gen 1 · 6 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)