MR
Martha Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ross-County, Ohio
Our Model Tree links this Martha Ross across the 1930 and 1940 US Censuses in Ross-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ross-County, Ohio |
| Surname | Ross |
| Given Name | Martha S. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Chillicothe |
| 1935 Residence (County) | Ross |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Chillicothe |
| Est. Birth Year | ~1907 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Mary Ross | Daughter | — | 4 | ~1936 |
| Ralph Ross | Head | — | 33 | ~1907 |
| Elizabeth Ross | Daughter | — | 10 | ~1930 |
| Martha Ross | Spouse | — | 33 | ~1907 |
| Virginia Ross | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Ross, Ohio
Other, age 23
Ross, Ohio · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Martha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 19 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Ross-County, Ohio
Spouse, age 33
Ross-County, Ohio · implied b. ~1907 — 5 household members
| Surname | Ross |
| Given Name | Martha S. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Chillicothe |
| 1935 Residence (County) | Ross |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| 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 Martha Ross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Ross
Spouse · 1940 · age 33 · b. ~1907 · 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 — Ross-County, Ohio
Open full size
1940 US Federal Census — Ross-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03138-00019)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marshall N. Miller | 25 | brother-in-law | Salesman | Ohio |
| 2 | Lucille R. Miller | 20 | sister-in-law | — | Ohio |
| 3 | Robert D. Miller | 1 | nephew | — | Ohio |
| 4 | Marshall N. Miller | 2 | nephew | — | Ohio |
| 5 | Irene O. Krihwiser | 29 | sister-in-law | Telephone Operator | Ohio |
| 6 | Hugh C. Oliver | 57 | head | Manager | West Virginia |
| 7 | Lulu P. Oliver | 53 | wife | — | West Virginia |
| 8 | Lenora A. Oliver | 30 | daughter | Sales Clerk | West Virginia |
| 9 | Hugh C. Oliver | 21 | son | Insurance Agent | Ohio |
| 10 | Mary F. Oliver | 17 | daughter | — | Ohio |
| 11 | David M. Oliver | 15 | son | — | Ohio |
| 12 | Warren D. Skinner | 29 | head | Restaurant Waiter | Ohio |
| 13 | Marie H. Skinner | 24 | wife | — | Ohio |
| 14 | Donald S. Skinner | 2 | son | — | Ohio |
| 15 | Ronald W. Skinner | 2 | son | — | Ohio |
| 16 | Samuel S. Wilkins | 50 | head | Paper Worker | Ohio |
| 17 | Mary C. Wilkins | 47 | wife | — | Ohio |
| 18 | Lillian S. Wilkins | 22 | daughter | — | Ohio |
| 19 | Samuel S. Wilkins | 17 | son | — | Ohio |
| 20 | Hubert E. Daily | 26 | head | Paper Worker | Kentucky |
| 21 | Beatrice E. Daily | 25 | wife | — | Ohio |
| 22 | Gerald E. Daily | 2 | son | — | Ohio |
| 23 | Ralph C. Ross | 33 | head | Auto Mechanic | Ohio |
| 24 | Martha S. Ross THIS PERSON | 33 | wife | — | Ohio |
| 25 | Virginia L. Ross | 13 | daughter | — | Ohio |
| 26 | Elizabeth A. Ross | 10 | daughter | — | Ohio |
| 27 | Mary Lou Ross | 4 | daughter | — | Ohio |
| 28 | Paul Dawson | 35 | head | Paper Maker | Ohio |
| 29 | Helen M. Dawson | 30 | wife | Sales Clerk | Ohio |
| 30 | Norma M. Dawson | 8 | daughter | — | Ohio |
| 31 | Mary R. Dawson | 6 | daughter | — | Ohio |
| 32 | Josephine Elk | 65 | head | — | Ohio |
| 33 | Anna True | 66 | head | — | Ohio |
| 34 | Oscar W. Scharf | 45 | head | Machinist | Ohio |
| 35 | Lucille A. Scharf | 30 | wife | Sales Clerk | Ohio |
| 36 | William S. Penrod | 56 | head | Carpenter | Ohio |
| 37 | Sara J. Penrod | 56 | wife | — | Ohio |
| 38 | Floyd Penrod | 22 | son | Carpenter | Ohio |
| 39 | Ruby Penrod | 18 | daughter | — | Ohio |
| 40 | Mary F. Penrod | 15 | daughter | — | Ohio |
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)