MC
Mary Clifford — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Mary Clifford across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Clifford |
| Given Name | Mary Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lockland City |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Lockland City |
| Est. Birth Year | ~1925 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| William Clifford | Son | — | 18 | ~1922 |
| Amy Clifford | Spouse | — | 51 | ~1889 |
| Mort Clifford | Head | — | 54 | ~1886 |
| Mary Clifford | Daughter | — | 15 | ~1925 |
| Beryl Clifford | Son | — | 8 | ~1932 |
| Helen Clifford | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Hamilton, Ohio
Daughter, age 5
Hamilton, Ohio · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clifford |
| Given Name | Mary R. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Daughter, age 15
Hamilton-County, Ohio · implied b. ~1925 — 6 household members
| Surname | Clifford |
| Given Name | Mary Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lockland City |
| 1935 Residence (County) | Hamilton |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 Mary Clifford across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Clifford
Daughter · 1940 · age 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Helen Clifford
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Clifford
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beryl Clifford
Sibling · 1940 · age 8
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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03077-00586)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carol Roettger | 13 | Daughter | — | Ohio |
| 2 | Herald Roettger | 6 | Son | — | Ohio |
| 3 | Alfred Wiggerman | 38 | Head | Lathe Operator | Ohio |
| 4 | Viola Wiggerman | 37 | Wife | Sample Maker | Ohio |
| 5 | Anthony Krasneky | 37 | Head | Truck Driver | Ohio |
| 6 | Joseph Zimmer | 67 | Head | Plumber | Ohio |
| 7 | Pearl Wilson | 59 | Housekeeper | Housekeeper | Ohio |
| 8 | Daisy Dunn | 66 | Head | — | Indiana |
| 9 | Charles E. Tickel | 59 | Head | Carpenter | Ohio |
| 10 | Estella Tickel | 52 | Wife | — | Ohio |
| 11 | Harold L. Tickel | 8 | Son | — | Ohio |
| 12 | Mort. S. Clifford | 54 | Head | Paste Maker | Kentucky |
| 13 | Amy B. Clifford | 51 | Wife | — | Kentucky |
| 14 | William Clifford | 18 | Son | New Worker | Ohio |
| 15 | Mary Ruth Clifford THIS PERSON | 15 | Daughter | — | Ohio |
| 16 | Helen Eliene Clifford | 13 | Daughter | — | Ohio |
| 17 | Beryl Truman Clifford | 8 | Son | — | Ohio |
| 18 | Henry L. Hite | 29 | Head | Moulder | Tennessee |
| 19 | Stella V. Hite | 24 | Wife | — | Kentucky |
| 20 | Wilma Hite | 5 | Daughter | — | Kentucky |
| 21 | Hubert Lee Hite | 4 | Son | 0 | Kentucky |
| 22 | Iridean Hite | 2 | Daughter | 0 | Ohio |
| 23 | Ralph W. Staurd | 21 | Head | Finisher | Ohio |
| 24 | Bessie Staurd | 22 | Wife | — | Tennessee |
| 25 | William Whitaker | 2 | Step-son | 0 | Kentucky |
| 26 | Solon C. Poston | 43 | Head | Porter | Ohio |
| 27 | Frances E. Poston | 43 | Wife | — | Ohio |
| 28 | Alice M. Poston | 63 | Sister | — | Kentucky |
| 29 | Mary Wolbert | 47 | Head | Nurse | Kentucky |
| 30 | Richard W. Miles | 34 | Son-in-law | Bottle Wash. Operator | Ohio |
| 31 | Helen Miles | 23 | Daughter | — | Ohio |
| 32 | Richard Jr. Miles | 15 | Grand-son | 0 | Ohio |
| 33 | Arnold S. Vowler | 34 | Head | Printer | Ohio |
| 34 | Evelyn Vowler | 29 | Wife | — | Ohio |
| 35 | Arnold Jr. Vowler | 1 | Son | 0 | Ohio |
| 36 | Charles L. Graham | 34 | Head | Cupola Operator | Ohio |
| 37 | Anna M. Graham | 42 | Wife | — | Ohio |
| 38 | Donald C. Graham | 11 | Son | — | Ohio |
| 39 | Robert L. Graham | 8 | Son | — | Ohio |
| 40 | Douglas M. Graham | 7 | Son | — | 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)