JF
James Farrell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this James Farrell across the 1920, 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Jacob & Margaret — first a son (b.~1919), then head of a 14-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Farrell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Logan Twp |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Occupation | Labor |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 200 |
| Highest Grade | H 1 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Labor |
| Township / Ward | Logan Twp |
| Est. Birth Year | ~1919 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Margaret Farrell | Daughter | — | 12 | ~1928 |
| Gertrude Farrell | Daughter | — | 9 | ~1931 |
| Susan Farrell | Daughter | — | 4 | ~1936 |
| Anna Farrell | Daughter | — | 15 | ~1925 |
| Kathleen Farrell | Daughter | — | 23 | ~1917 |
| Florence Farrell | Daughter | — | 16 | ~1924 |
| Rita Farrell | Daughter | — | 7 | ~1933 |
| Benjamin Farrell | Head | — | 52 | ~1888 |
| James Farrell | Son | — | 21 | ~1919 |
| Patrick Farrell | Son | — | 25 | ~1915 |
| Michael Farrell | Son | — | 2 | ~1938 |
| John Farrell | Son | — | 19 | ~1921 |
| Alfred Farrell | Son | — | 11 | ~1929 |
| Mary Farrell | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Blair, Pennsylvania
Son, age 1
Blair, Pennsylvania · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Blair, Pennsylvania
Son, age 11
Blair, Pennsylvania · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Son, age 21
Blair-County, Pennsylvania · implied b. ~1919 — 14 household members
| Surname | Farrell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Logan Twp |
| 1935 Residence (County) | Blair |
| Occupation | Labor |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 200 |
| Highest Grade | H 1 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 James Farrell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jacob Farrell (~0.83 confidence) and mother Margaret Farrell (~0.83 confidence) and mother Margaret Farrell (~0.83 confidence) and father Benjamin Farrell (~0.92 confidence) and father Benjamin Farrell (~0.92 confidence) and father Campbell Farrell (~0.92 confidence) and mother Mary Farrell (~0.92 confidence) and mother Mary Farrell (~0.92 confidence). The pedigree spans 2 generations with 8 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Father
Jacob Farrell
b. ~1851
Source father>father
● Household
· direct · ~0.83
Mother
Margaret Farrell
b. ~1858
Source father>mother
● Household
· direct · ~0.83
Mother
Margaret Farrell
b. ~1860
Source father>mother
● Household
· direct · ~0.83
Father
Benjamin Farrell
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Benjamin Farrell
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Campbell Farrell
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Mary Farrell
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Mary Farrell
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Farrell
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Patrick Farrell
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Farrell
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Farrell
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Susan Farrell
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Farrell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Farrell
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Farrell
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Farrell
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Farrell
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Farrell
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Farrell
Sibling · 1940 · age 9
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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03441-00139)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norton Wilma Norton | 3 | Daughter | — | Pennsylvania |
| 42 | George Farrell | 55 | Head | Labor | Pennsylvania |
| 43 | Benjamin Farrell | 52 | Head | Machinist | Pennsylvania |
| 44 | Mary Farrell | 46 | Wife | — | Pennsylvania |
| 45 | Patrick Farrell | 25 | Son | Labor | Pennsylvania |
| 46 | Kathleen Farrell | 23 | Daughter | Examiner | Pennsylvania |
| 47 | James Farrell THIS PERSON | 21 | Son | Labor | Pennsylvania |
| 48 | John Ab Farrell | 19 | Son | Cook | Pennsylvania |
| 49 | Florence Farrell | 16 | Daughter | — | Pennsylvania |
| 50 | Anna Farrell | 15 | Daughter | — | Pennsylvania |
| 51 | Margaret Farrell | 12 | Daughter | — | Pennsylvania |
| 52 | Alfred Farrell | 11 | Son | — | Pennsylvania |
| 53 | Gertrude Farrell | 9 | Daughter | — | Pennsylvania |
| 54 | Rita Farrell | 7 | Daughter | — | Pennsylvania |
| 55 | Susan Farrell | 4 | Daughter | — | Pennsylvania |
| 56 | Michael Farrell | 2 | Son | — | Pennsylvania |
| 57 | Roy W Mckimis | 50 | Head | Machinist | Pennsylvania |
| 58 | Pearl Mckimis | 48 | Wife | — | Pennsylvania |
| 59 | Ruth Mckimis | 20 | Daughter | Housework | Pennsylvania |
| 60 | Chester Mckimis | 18 | Son | — | Pennsylvania |
| 61 | Jean Mckimis | 16 | Daughter | — | Pennsylvania |
| 62 | Betty Mckimis | 14 | Daughter | — | Pennsylvania |
| 63 | Rebecca Endress | 53 | Head | Owner Cafe | Pennsylvania |
| 64 | Shirley Endress | 23 | Daughter | — | Pennsylvania |
| 65 | Thelma Endress | 20 | Daughter | — | Pennsylvania |
| 66 | William Ab Endress | 16 | Son | New Worker | Pennsylvania |
| 67 | Carol J Mccrumell | 4 | Granddaughter | — | Pennsylvania |
| 68 | Eugene Fugliatoller | 42 | Head | Inspector | Pennsylvania |
| 69 | Nellie Fugliatoller | 28 | Wife | — | Pennsylvania |
| 70 | William Detwiler | 63 | Head | Salesman | Pennsylvania |
| 71 | Elizabeth Detwiler | 49 | Wife | — | Pennsylvania |
| 72 | Edward L Detwiler | 57 | Head | Labor | Pennsylvania |
| 73 | Beulah Detwiler | 33 | Wife | — | Pennsylvania |
| 74 | Flora M Detwiler | 5 | Daughter | — | Pennsylvania |
| 75 | Edward Jr Detwiler | 3 | Son | — | Pennsylvania |
| 76 | Robert F Detwiler | 1 | Son | — | Pennsylvania |
| 77 | James M Farrell | 51 | Head | Labor | Pennsylvania |
| 78 | Rhea Farrell | 51 | Wife | — | Pennsylvania |
| 79 | Louise Farrell | 20 | Daughter | — | Pennsylvania |
| 80 | Beatrice Farrell | 15 | Daughter | Shuttler | Pennsylvania |
Related Census Records
Pedigree Summary
James + 11 siblings
Gen 1 · 5 parents
~0.92
Gen 2 · 3 grandparents
~0.83
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)