HL
Helen Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sussex-County, Delaware
Our Model Tree links this Helen Lynch across the 1920, 1930 and 1940 US Censuses in Sussex-County, Delaware (XGBoost, ~Confirmed), with identified parents Ida & Elizabell — first a daughter (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Female
Daughter
Born: Delaware
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sussex-County, Delaware |
| Surname | Lynch |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | 1st Rep. District Representative |
| 1935 Residence (County) | Sussex |
| Additional Details | |
| Occupation | dental work |
| Industry | laboratory |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 709 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Dental Work |
| Township / Ward | 1St Rep District Representative |
| Est. Birth Year | ~1907 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Andy Lynch | Daughter | — | 17 | ~1923 |
| Helen Lynch | Daughter | — | 33 | ~1907 |
| Pauline Lynch | Daughter | — | 20 | ~1920 |
| Elizabell Lynch | Head | — | 54 | ~1886 |
Census Appearances
1920
Sussex, Delaware
Daughter, age 12
Sussex, Delaware · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Helen A. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
Sussex, Delaware
Daughter, age 22
Sussex, Delaware · implied b. ~1908 — 49 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Helen H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Laborer |
| Industry | Dental factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
Sussex-County, Delaware
Daughter, age 33
Sussex-County, Delaware · implied b. ~1907 — 4 household members
| Surname | Lynch |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | 1st Rep. District Representative |
| 1935 Residence (County) | Sussex |
| Occupation | dental work |
| Industry | laboratory |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 709 |
| Highest Grade | H-1 |
| 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 Helen Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ida Lynch (~0.92 confidence) and mother Elizabell Lynch (~0.92 confidence) and father James Lynch (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ida Lynch
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Elizabell Lynch
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
James Lynch
b. ~1886
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Lynch
Daughter · 1940 · age 33 · b. ~1907 · Delaware
★ You are viewing this record
Sibling
Pauline Lynch
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andy Lynch
Sibling · 1940 · age 17
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 — Sussex-County, Delaware
Open full size
1940 US Federal Census — Sussex-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00547-00150)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Harmon | 10 | daughter | — | Delaware |
| 2 | Pearl Harmon | 7 | daughter | — | Delaware |
| 3 | John Harmon | 5 | son | — | Delaware |
| 4 | Lula May Harmon | 2 | daughter | — | Delaware |
| 5 | Raymond Harmon | 1 | son | — | Delaware |
| 6 | Walter Pettyjohn | 44 | head | Farm Laborer | Delaware |
| 7 | Madronia Pettyjohn | 42 | wife | — | Delaware |
| 8 | George Merlone | 32 | head | Farm Manager | Delaware |
| 9 | Marie Merlone | 30 | wife | — | Delaware |
| 10 | Barbara Merlone | 13 | daughter | — | Delaware |
| 11 | George Merlone | 6 | son | — | Delaware |
| 12 | Burl Pettyjohn | 46 | head | Carpenter | Delaware |
| 13 | Mary E Pettyjohn | 42 | wife | — | Delaware |
| 14 | George S Pettyjohn | 24 | son | Trucker | Delaware |
| 15 | Burl Pettyjohn | 19 | son | Attendant | Delaware |
| 16 | John H Pettyjohn | 16 | son | Laborer | Delaware |
| 17 | Dorothy Pettyjohn | 17 | daughter | — | Delaware |
| 18 | Nessie Pettyjohn | 12 | daughter | — | Delaware |
| 19 | Florence Pettyjohn | 10 | daughter | — | Delaware |
| 20 | Elizabeth Foster | 23 | lodger | — | Delaware |
| 21 | Lydia J Maples | 65 | head | — | Delaware |
| 22 | Robert Maples | 55 | husband | Farmer | Delaware |
| 23 | Edward Causey | 38 | son | Laborer | Delaware |
| 24 | Allie Pettyjohn | 45 | lodger | — | Delaware |
| 25 | Willie Elmet | 37 | lodger | Laborer | Virginia |
| 26 | Willie Harmon | 33 | head | Laborer | Delaware |
| 27 | Beatrice Harmon | 29 | wife | — | Delaware |
| 28 | Isaac Barnard | 27 | head | Operator | Delaware |
| 29 | Izenith Barnard | 27 | wife | Weaver | Delaware |
| 30 | Lee Wayne Barnard | 3 | son | — | Delaware |
| 31 | Elizabell Lynch | 54 | head | — | Delaware |
| 32 | Helen Lynch THIS PERSON | 33 | daughter | Dental Work | Delaware |
| 33 | Pauline Lynch | 20 | daughter | Dental Work | Delaware |
| 34 | Andy Jr Lynch | 17 | daughter | — | Delaware |
| 35 | Arthur Williams | 30 | head | Clerk | Delaware |
| 36 | Ena Williams | 24 | wife | Dental | Delaware |
| 37 | Horace Webb | 47 | head | Cutter | Delaware |
| 38 | Ida Webb | 42 | wife | — | Delaware |
| 39 | Otis Webb | 18 | son | Cutter | Delaware |
| 40 | Mary Webb | 16 | daughter | — | Delaware |
Pedigree Summary
Helen + 2 siblings
Gen 1 · 3 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)