MF
Margaret Farrell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this Margaret Farrell across the 1910, 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a daughter (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Farrell |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland City |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Occupation | stenographer |
| Industry | R.F.C. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Stenographer |
| Township / Ward | Cleveland City |
| Est. Birth Year | ~1905 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Farrell | Daughter | — | 35 | ~1905 |
| Thomas Farrell | Son | — | 3 | ~1937 |
| Antoinette Farrell | Daughter | — | 37 | ~1903 |
| Thomas Farrell | Head | — | 36 | ~1904 |
| Frank Burney | Other | — | 64 | ~1876 |
Census Appearances
1910
Cuyahoga, Ohio
Daughter, age 5
Cuyahoga, Ohio · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Cuyahoga, Ohio
Daughter, age 14
Cuyahoga, Ohio · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Daughter, age 25
Cuyahoga, Ohio · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Credit Clerk |
| Industry | Credit Agency |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Daughter, age 35
Cuyahoga-County, Ohio · implied b. ~1905 — 5 household members
| Surname | Farrell |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland City |
| 1935 Residence (County) | Cuyahoga |
| Occupation | stenographer |
| Industry | R.F.C. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | H 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 Margaret Farrell across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Farrell (~0.92 confidence) and father Thomas Farrell (~0.92 confidence) and father Thomas Farrell (~0.92 confidence) and father Thomas Farrell (~0.60 confidence) and mother Annette Farrell (~0.92 confidence) and mother Antoinette Farrell (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
Thomas Farrell
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Thomas Farrell
b. ~1856
Source father
● Household
· direct · ~0.92
Father
Thomas Farrell
b. ~1860
Source father
● Household
· direct · ~0.92
Father
Thomas Farrell
b. ~1904
Source father
● Household
· direct · ~0.6
Mother
Annette Farrell
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Antoinette Farrell
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Farrell
Daughter · 1940 · age 35 · b. ~1905 · Ohio
★ You are viewing this record
Sibling
Antoinette Farrell
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Farrell
Sibling · 1940 · age 3
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 — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03210-00529)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Stearn | 12 | son | — | Ohio |
| 2 | Donald Stearn | 9 | son | — | Ohio |
| 3 | George Pfeifer | 35 | head | Engineer | Ohio |
| 4 | Mary Pfeifer | 26 | wife | — | Ohio |
| 5 | George Jr. Pfeifer | 3 | son | — | Ohio |
| 6 | Joseph Pfeifer | 23 | brother | Meat Cutter | Penna. |
| 7 | Ethel Ronay | 50 | head | — | Hungary |
| 8 | Ethel Ronay | 25 | daughter | Seamstress | Ohio |
| 9 | Joseph Ronay | 24 | son | Machinist | Ohio |
| 10 | John Ronay | 18 | son | — | Ohio |
| 11 | Elizabeth Magyar | 67 | mother | — | Hungary |
| 12 | Rolland Jamassy | 59 | lodger | Custodian | Hungary |
| 13 | Louis Sinch | 30 | lodger | — | Hungary |
| 14 | John Petrovich | 35 | lodger | Press Operator | Slovakia |
| 15 | John Mooney | 54 | head | Truck Driver | Eire |
| 16 | Delia Mooney | 59 | wife | — | Eire |
| 17 | Owen Mooney | 53 | brother | — | Eire |
| 18 | Mary Gallagher | 46 | head | Mason Helper | Ohio |
| 19 | John Manning | 34 | son-in-law | Laborer | Ohio |
| 20 | Mildred Manning | 27 | daughter | — | Ohio |
| 21 | Coletta Manning | 10 | gr. daughter | — | Ohio |
| 22 | James Manning | 9 | gr. son | — | Ohio |
| 23 | William Manning | 8 | gr. son | — | Ohio |
| 24 | John Manning | 4 | gr. son | — | Ohio |
| 25 | Edgar Gallagher | 23 | son | Truck Driver | Ohio |
| 26 | Thomas Farrell | 36 | head | — | New York |
| 27 | Thomas Farrell | 3 | son | Illustrator | Ohio |
| 28 | Antoinette Farrell | 37 | daughter | — | Ohio |
| 29 | Margaret Farrell THIS PERSON | 35 | daughter | Stenographer | Ohio |
| 30 | Frank Burney | 64 | boarder | Master Plumber | Ohio |
| 31 | Martin Gallagher | 54 | head | Steam Fitter | Eire |
| 32 | Katherine Gallagher | 47 | wife | — | Ohio |
| 33 | Anne M. Gallagher | 16 | daughter | — | Ohio |
| 34 | Clare Gallagher | 14 | daughter | — | Ohio |
| 35 | John Keough | 43 | head | Stationary Fireman | Ohio |
| 36 | Wilma Keough | 42 | wife | — | Ohio |
| 37 | Rosemary Keough | 18 | daughter | — | Ohio |
| 38 | Virginia Keough | 16 | daughter | — | Ohio |
| 39 | John Jr. Keough | 14 | son | — | Ohio |
| 40 | Extra Line Keough | None | — | — | — |
Pedigree Summary
Margaret + 2 siblings
Gen 1 · 6 parents
~0.87
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)