MF
Mary Farrell — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Los Angeles, California
Our Model Tree links this Mary Farrell across the 1900, 1910 and 1920 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a spouse (b.~1847), then head of a 3-person household.
Age 73
b. ~1847
Female
Spouse
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Los Angeles, California |
| Surname | Farrell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1850 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Pasadena City |
| Est. Birth Year | ~1847 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Farrell | Head | — | 84 | ~1836 |
| William Farrell | Son | — | 29 | ~1891 |
| Mary Farrell | Spouse | — | 73 | ~1847 |
Census Appearances
1900
Los Angeles, …
Spouse, age 54
Los Angeles, California · implied b. ~1846 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Mch |
| Birth Year | 1846 |
| Year of Immigration | 1867 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Los Angeles, …
Spouse, age 64
Los Angeles, California · implied b. ~1846 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 33 |
| Children Born | 6 |
| Children Living | 3 |
| Year of Immigration | 1867 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Los Angeles, …
Spouse, age 73
Los Angeles, California · implied b. ~1847 — 3 household members
| Surname | Farrell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1850 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Farrell across 3 US Census years (1900, 1910 and 1920) in Los Angeles, California, using XGBoost record linkage.
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This person
Anchor record
Mary Farrell
Spouse · 1920 · age 73 · b. ~1847 · 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 — Los Angeles, California
Open full size
1920 US Federal Census — Los Angeles, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu117unit:1116)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Paul E. Torch | 11 | Son | None | California |
| 52 | William Walden | 48 | Head | Janitor | Virginia |
| 53 | Mabel Walden | 42 | Wife | None | Ohio |
| 54 | Lloyd Williams | 43 | Head | None | Iowa |
| 55 | Sarah Williams | 42 | Wife | None | Virginia |
| 56 | Donald Williams | 11 | Son | None | California |
| 57 | Paul R. Samuels | 59 | Head | Nursery Man | Posen Prussia |
| 58 | Lena Samuels | 51 | Wife | None | Prussia |
| 59 | Alexander R. Samuels | 29 | Son | Nursery Man | Canada |
| 60 | Ray Samuels | 22 | Son | Nursery Man | California |
| 61 | Robert S. Samuels | 20 | Son | Nursery Man | California |
| 62 | Helen Samuels | 15 | Daughter | None | California |
| 63 | Fred Stahlhut | 58 | Head | Laborer | Prussia Ger. |
| 64 | Margaret Stahlhut | 51 | Wife | None | California |
| 65 | Frederick J. Rohr | 46 | Head | Upholstering | Iowa |
| 66 | Clara S. Rohr | 38 | Wife | None | California |
| 67 | Margaret V. Rohr | 13 | Daughter | None | California |
| 68 | Mary Rohr | 12 | Daughter | None | California |
| 69 | Catherine Rohr | 7 | Daughter | None | California |
| 70 | John F. Rohr | 5 | Son | None | California |
| 71 | Edward G. Rohr | 1 | Son | None | California |
| 72 | William Farrell | 84 | Head | None | Ireland |
| 73 | Mary Farrell THIS PERSON | 73 | Wife | None | Ireland |
| 74 | William Farrell | 29 | Son | Salesman | California |
| 75 | Maud Fitch | 43 | Head | Laborer | Kansas |
| 76 | William Strickland | 44 | Head | Janitor | North Carolina |
| 77 | Lupus Strickland | 40 | Wife | Waitress | South Carolina |
| 78 | John Adams | 24 | Step-son | Porter | South Carolina |
| 79 | Thomas Harris | 22 | Step-son | Janitor | South Carolina |
| 80 | Robert E. Anderson | 35 | Head | Chauffeur | Texas |
| 81 | Lela M. Anderson | 31 | Wife | None | Arkansas |
| 82 | Audrey M. Anderson | 12 | Son | Delivery Boy | Arkansas |
| 83 | Chun Hyung Kim | 32 | Roomer | Waiter | Korea |
| 84 | Modesto Alcular | 31 | Roomer | Bus Boy | Texas |
| 85 | Eugene L. Cajoni | 35 | Head | Owner | France |
| 86 | Flora S. Cajoni | 31 | Wife | None | Iowa |
| 87 | Cajoni | 5 | Daughter | None | California |
| 88 | Ben Gray | 30 | Head | Driver | Russia |
| 89 | Anna Gray | 28 | Wife | None | Russia |
| 90 | Julia Gray | 6 | Daughter | None | Canada |
| 91 | Grace Gray | 4 | Daughter | None | Canada |
| 92 | Robert H. May | 64 | Head | None | Ohio |
| 93 | Ida F. May | 61 | Wife | None | Pennsylvania |
| 94 | Nelda Linton | 48 | Roomer | Mangle | Michigan |
| 95 | Chester Finish | 32 | Head | Salesman | Kentucky |
| 96 | Phoebe Finish | 26 | Wife | None | N. Dakota |
| 97 | Carol Finish | 5 | Daughter | None | N. Dakota |
| 98 | Frederick Gerlach | 70 | Head | None | Connecticut |
| 99 | Lina Mussman | 33 | Daughter | Nurse | Missouri |
| 100 | Marion Moore | 9 | Grand Daughter | None | Wisconsin |
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)