JL
James Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this James Lynch across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1913), then head of a 8-person household.
Age 27
b. ~1913
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Lynch |
| Given Name | James J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | janitor's assistant |
| Industry | private school |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 740 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Janitor'S Assistant |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1913 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Florence Lynch | Daughter | — | 16 | ~1924 |
| Josephine Lynch | Daughter | — | 24 | ~1916 |
| Rose Lynch | Daughter | — | 21 | ~1919 |
| James Lynch | Head | — | 51 | ~1889 |
| Vincent Lynch | Son | — | 14 | ~1926 |
| James Lynch | Son | — | 27 | ~1913 |
| Thomas Lynch | Son | — | 13 | ~1927 |
| Margaret Lynch | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 7
Philadelphia, Pennsylvania · implied b. ~1913 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | James Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 17
Philadelphia, Pennsylvania · implied b. ~1913 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | James J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Shipper |
| Industry | Radio |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 27
Philadelphia-County, Pennsylvania · implied b. ~1913 — 8 household members
| Surname | Lynch |
| Given Name | James J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | janitor's assistant |
| Industry | private school |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 740 |
| Highest Grade | No 8 |
| 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 Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Lynch (~0.92 confidence) and father James Lynch (~0.92 confidence) and father James Lynch (~0.92 confidence) and mother Margaret Lynch (~0.92 confidence) and mother Margaret Lynch (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Lynch
b. ~1889
Source father
● Household
· direct · ~0.92
Father
James Lynch
b. ~1889
Source father
● Household
· direct · ~0.92
Father
James Lynch
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Margaret Lynch
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Margaret Lynch
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Lynch
Son · 1940 · age 27 · b. ~1913 · Pennsylvania
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Sibling
Thomas Lynch
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Lynch
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Lynch
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Lynch
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Lynch
Sibling · 1940 · age 21
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03733-00798)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis Farabella | 29 | Son | Barber | Pennsylvania |
| 2 | Ralph Farabella | 22 | Son | Counter Man | Pennsylvania |
| 3 | William Echard | 54 | Head | Store Keeper | Pennsylvania |
| 4 | Florence Echard | 48 | Wife | — | Pennsylvania |
| 5 | Marie Echard | 21 | Daughter | Stenographer | Pennsylvania |
| 6 | Rita Macgillivray | 58 | Head | — | Pennsylvania |
| 7 | James Macgillivray | 31 | Son | Watch Man | Pennsylvania |
| 8 | John Macgillivray | 28 | Son | Agent-Collector | Pennsylvania |
| 9 | David Macgillivray | 24 | Son | Service Apprentice | Pennsylvania |
| 10 | Mary Shaner | 22 | Daughter | Waitress | Pennsylvania |
| 11 | Betty Ann Shaner | 5 | Granddaughter | — | Pennsylvania |
| 12 | Edwin J. Woolley | 58 | Head | Chauffeur | Pennsylvania |
| 13 | Edwin F. Woolley | 31 | Son | Helper | Pennsylvania |
| 14 | Jean Thomas | 38 | Housekeeper | Housekeeper | Pennsylvania |
| 15 | Harry C. Thomas | 16 | Son | — | Pennsylvania |
| 16 | Robert C. Thomas | 12 | Son | — | Pennsylvania |
| 17 | James J. Lynch | 51 | Head | Ambulance Driver | Pennsylvania |
| 18 | Margaret M. Lynch | 49 | Wife | — | Pennsylvania |
| 19 | James J. Jr. Lynch THIS PERSON | 27 | Son | Janitor'S Assistant | Pennsylvania |
| 20 | Josephine Lynch | 24 | Daughter | Machine Polisher | Pennsylvania |
| 21 | Rose Lynch | 21 | Daughter | Packer | Pennsylvania |
| 22 | Florence Lynch | 16 | Daughter | — | Pennsylvania |
| 23 | Vincent Lynch | 14 | Son | — | Pennsylvania |
| 24 | Thomas Lynch | 13 | Son | — | Pennsylvania |
| 25 | Horace Harbord | 52 | Head | Wagon Driver | England |
| 26 | Margaret Harbord | 51 | Wife | — | Pennsylvania |
| 27 | Patrick Lynch | 79 | Father-in-law | — | Ireland |
| 28 | Betty Harbord | 19 | Daughter | New Worker | Pennsylvania |
| 29 | Anna Harbord | 17 | Daughter | New Worker | Pennsylvania |
| 30 | Catherine Harbord | 16 | Daughter | — | Pennsylvania |
| 31 | Frances Harbord | 14 | Daughter | — | Pennsylvania |
| 32 | Billy Harbord | 10 | Son | — | Pennsylvania |
| 33 | William H. La Rue | 63 | Head | Machinist | Pennsylvania |
| 34 | Ida V. La Rue | 55 | Wife | — | Pennsylvania |
| 35 | Edna M. La Rue | 21 | Daughter | — | Pennsylvania |
| 36 | Catherine Lindsay | 25 | Daughter | Coil Winder | Pennsylvania |
| 37 | Catherine Lindsay | 11 | Granddaughter | — | Pennsylvania |
| 38 | Ira B. Dahmsfalter | 57 | Head | Clerk-Office | Pennsylvania |
| 39 | Thelma Dahmsfalter | 55 | Wife | — | Pennsylvania |
| 40 | Edward M. Price | 45 | Head | Carpenter | Pennsylvania |
Pedigree Summary
James + 5 siblings
Gen 1 · 5 parents
~0.92
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)