JL
James Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this James Lynch across the 1910, 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed), with identified parents Patrick & Mark — first a head (b.~1908), then head of a 6-person household.
Age 32
b. ~1908
Male
Head
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Lynch |
| Given Name | James L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Brandywine Hd. Rep. Dist. 6 Representative District No 6 |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Occupation | Gas sta. atten. |
| Industry | S. O. Gas |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 2084 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Gas Sta. Atten. |
| Township / Ward | Brandywine Hd Rep Dist 6 Representative District No 6 |
| Est. Birth Year | ~1908 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Jane Lynch | Daughter | — | 9 | ~1931 |
| Barbara Lynch | Daughter | — | 2 | ~1938 |
| James Lynch | Head | — | 32 | ~1908 |
| Thelma Gorman | Other | — | 15 | ~1925 |
| James Lynch | Son | — | 5 | ~1935 |
| Marie Lynch | Spouse | — | 31 | ~1909 |
Census Appearances
1910
New Castle, …
Son, age 2
New Castle, Delaware · implied b. ~1908 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | New York |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1920
New Castle, …
Son, age 12
New Castle, Delaware · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Son, age 22
New Castle, Delaware · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Trucker |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Head, age 32
New-Castle-County, Delaware · implied b. ~1908 — 6 household members
| Surname | Lynch |
| Given Name | James L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Brandywine Hd. Rep. Dist. 6 Representative District No 6 |
| 1935 Residence (County) | New Castle |
| Occupation | Gas sta. atten. |
| Industry | S. O. Gas |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 2084 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Lynch (~0.92 confidence) and father Mark Lynch (~0.92 confidence) and mother Mary Lynch (~0.92 confidence) and mother Ella Lynch (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Lynch
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Mark Lynch
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Mary Lynch
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Ella Lynch
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Lynch
Head · 1940 · age 32 · b. ~1908 · Delaware
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — New-Castle-County, Delaware
Open full size
1940 US Federal Census — New-Castle-County, Delaware
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00545-00349)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Willard Jr Springer | 57 | Head | President | Delaware |
| 2 | Edna M Springer | 50 | Wife | — | New York |
| 3 | Marietta Springer | 17 | Daughter | — | Delaware |
| 4 | Nancy C Springer | 16 | Daughter | — | Delaware |
| 5 | Catherine Holliday | 22 | Maid | Maid | New York |
| 6 | Harry Gatwood | 32 | Gardner | Gardner | Delaware |
| 7 | James L Lynch THIS PERSON | 32 | Head | Gas Sta. Atten. | Delaware |
| 8 | Marie E Lynch | 31 | Wife | — | Delaware |
| 9 | Jane Marie Lynch | 9 | Daughter | — | Delaware |
| 10 | James Vincent Lynch | 5 | Son | — | Delaware |
| 11 | Barbara Ann Lynch | 2 | Daughter | — | Delaware |
| 12 | Thelma Rita Gorman | 15 | Maid | — | Delaware |
| 13 | Clarence Sacker | 53 | Head | — | Penna |
| 14 | Edgar H Sacker | 30 | Son | Machinist | Penna |
| 15 | Lillian Sacker | 28 | Daughter | Child Nurse | Maryland |
| 16 | Birdie Sacker | 21 | Daughter | Ice Clerk | Delaware |
| 17 | Raymond Sacker | 19 | Son | Helper | Delaware |
| 18 | Ella Sacker | 17 | Daughter | Seamstress | Delaware |
| 19 | Alta Sacker | 16 | Daughter | — | Delaware |
| 20 | Norman Sacker | 12 | Son | — | Delaware |
| 21 | Sewell Jamison | 58 | Head | Tower Boss | Maryland |
| 22 | Bertha Jamison | 57 | Wife | Tower Boss | Penna |
| 23 | Norman Jamison | 36 | Son | — | Delaware |
| 24 | Ralph Jamison | 25 | Son | — | Delaware |
| 25 | Donald Jamison | 18 | Son | — | Delaware |
| 26 | Gerald Berchet | 37 | Head | Chemist | France |
| 27 | Ruth Berchet | 34 | Wife | — | Colorado |
| 28 | Anne Berchet | 4 | Daughter | — | Delaware |
| 29 | Dennis Berchet | 2 | Son | — | Delaware |
| 30 | Pierce Boulden | 31 | Head | Textile Worker | Delaware |
| 31 | Florence Boulden | 29 | Wife | — | Penna |
| 32 | John Poor | 8 | Ward | — | Delaware |
| 33 | William Poor | 11 | Ward | — | Delaware |
| 34 | Vera Jane Lloyd | 11 | Ward | — | Delaware |
| 35 | Lorna Mulrooney | 11 | Ward | — | Delaware |
| 36 | Charles Schafer | 57 | Head | Papermaker | Delaware |
| 37 | Catherine Schafer | 57 | Wife | — | Delaware |
| 38 | Jessie Dougherty | 50 | Sister-in-law | Maid | Delaware |
Related Census Records
Pedigree Summary
James
Gen 1 · 4 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)