MC
Mary Clifford — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Orange, California
Our Model Tree links this Mary Clifford across the 1900, 1910 and 1920 US Censuses in Orange, California (XGBoost, ~Confirmed) — first a head (b.~1839), then head of a 2-person household.
Age 81
b. ~1839
Female
Head
Born: Ohio
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Orange, California |
| Surname | Clifford |
| Given Name | Mary J |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 81 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Orange City |
| Est. Birth Year | ~1839 |
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.
2 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Clifford | Head | — | 81 | ~1839 |
| Anna Clifford | Daughter | — | 61 | ~1859 |
Census Appearances
1900
Orange, California
Head, age 62
Orange, California · implied b. ~1838 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clifford |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| Birth Month | Dec |
| Birth Year | 1838 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1910
Orange, California
Head, age 67
Orange, California · implied b. ~1843 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clifford |
| Given Name | Mary J |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| Children Born | 1 |
| Children Living | 1 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Own income |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Orange, California
Head, age 81
Orange, California · implied b. ~1839 — 2 household members
| Surname | Clifford |
| Given Name | Mary J |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 81 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| 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 3 US Census years (1900, 1910 and 1920) in Orange, California, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Clifford
Head · 1920 · age 81 · b. ~1839 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Orange, California
Open full size
1920 US Federal Census — Orange, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu123unit:0853)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph R Arguello | 60 | Head | Laborer | California |
| 2 | Virginia Arguello | 54 | Wife | None | California |
| 3 | Ray Arguello | 21 | Son | Drummer | California |
| 4 | James Arguello | 14 | Son | None | California |
| 5 | Orville A Collins | 26 | Head | Driver | Missouri |
| 6 | Augusta Collins | 26 | Wife | None | Missouri |
| 7 | Lucile Collins | 3 | Daughter | None | California |
| 8 | Mary J Clifford THIS PERSON | 81 | Head | None | Ohio |
| 9 | Anna E Clifford | 61 | Daughter | None | Illinois |
| 10 | Alfred Leach | 52 | Head | Retail Grocer | England |
| 11 | Louane Leach | 41 | Wife | None | Minnesota |
| 12 | Inee Leach | 17 | Daughter | None | California |
| 13 | Louane Leach | 13 | Daughter | None | California |
| 14 | John Kahrs | 50 | Head | Teamster | Kansas |
| 15 | Anna Kahrs | 22 | Wife | None | Kansas |
| 16 | Herbert Kahrs | 22 | Son | None | Kansas |
| 17 | Conrad Simmons | 25 | Head | Carpenter | Kansas |
| 18 | Mary Simmons | 27 | Wife | None | Kansas |
| 19 | Herman Kahrs | 28 | Head | Teamster | Kansas |
| 20 | Hazel Kahrs | 25 | Wife | None | California |
| 21 | Leroy Kahrs | 6 | Son | None | California |
| 22 | Herman H Ehlen | 26 | Head | Manager | South Dakota |
| 23 | Elsie Ehlen | 24 | Wife | None | California |
| 24 | Lawrence Ehlen | 2 | Son | None | California |
| 25 | Ruth Ehlen | 0 | Daughter | None | California |
| 26 | George G Foster | 58 | Head | Retired | Canada |
| 27 | Amelia Foster | 64 | Wife | None | Canada |
| 28 | Lucy B Foster | 19 | Daughter | None | Montana |
| 29 | Jonta Valdez | 37 | Head | Asst. Cook | Mexico |
| 30 | Elves Valdez | 16 | Son | Laborer | Mexico |
| 31 | Nicolas Picazo | 38 | Head | Orange Picker | Mexico |
| 32 | Marie Picazo | 34 | Wife | None | Mexico |
| 33 | Josephina Picazo | 7 | Daughter | None | Mexico |
| 34 | Antonia Picazo | 6 | Daughter | None | Mexico |
| 35 | Francisco Picazo | 5 | Son | None | Mexico |
| 36 | Rosslina Picazo | 4 | Daughter | None | Mexico |
| 37 | Anna Picazo | 2 | Daughter | None | Mexico |
| 38 | Petra Picazo | 1 | Daughter | None | California |
| 39 | Dolores Picazo | 0 | Daughter | None | California |
| 40 | Francisco Morones | 18 | Brother-in-law | Orange Picker | Mexico |
| 41 | Robert J Schubert | 66 | Head | Treating Citrus Trees | Germany |
| 42 | Julia Schubert | 64 | Wife | None | Germany |
| 43 | Selma M Schubert | 28 | Daughter | Book Keeper | Michigan |
| 44 | Julius F Borchard | 38 | Head | Merchant | Germany |
| 45 | Clara C.W. Borchard | 38 | Wife | None | Minnesota |
| 46 | Victor J Borchard | 11 | Son | None | California |
| 47 | Clarence R Borchard | 11 | Son | None | California |
| 48 | Warren D Moon | 69 | Head | None | Virginia |
| 49 | Emma Moon | 55 | Wife | None | Pennsylvania |
| 50 | Edair Diamond | 68 | Head | None | Alabama |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)