SL
Sarah Lynch — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Sarah Lynch across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 3-person household.
Age 61
b. ~1879
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Lynch |
| Given Name | Sarah |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Winston |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Winston |
| Est. Birth Year | ~1879 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sarah | Age | Birth yr |
|---|---|---|---|---|
| Edward Lynch | Son | — | 32 | ~1908 |
| Sarah Lynch | Spouse | — | 61 | ~1879 |
| Phillip Lynch | Head | — | 59 | ~1881 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 40
Allegheny, Pennsylvania · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Sarah R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Spouse, age 52
Allegheny, Pennsylvania · implied b. ~1878 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Sarah |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 61
Allegheny-County, Pennsylvania · implied b. ~1879 — 3 household members
| Surname | Lynch |
| Given Name | Sarah |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Winston |
| 1935 Residence (County) | Allegheny |
| 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 Sarah Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sarah Lynch
Spouse · 1940 · age 61 · b. ~1879 · Pennsylvania
★ 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03401-00534)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Steinger | 13 | Son | — | Pennsylvania |
| 2 | Charles Steinger | 10 | Son | — | Pennsylvania |
| 3 | Robert D. Steinger | 1 | Son | — | Pennsylvania |
| 4 | Nick Bacalyps | 20 | Head | Truck Driver | Pennsylvania |
| 5 | Catherine Bacalyps | 19 | Wife | — | Pennsylvania |
| 6 | Catherine Bacalyps | 1 | Daughter | — | Pennsylvania |
| 7 | Joseph Bret | 24 | Head | Electrical Repair | Pennsylvania |
| 8 | Ann Bret | 21 | Wife | — | Pennsylvania |
| 9 | Fridalene Bret | 1 | Daughter | — | Pennsylvania |
| 10 | Phillip Lynch | 59 | Head | Machinist | Pennsylvania |
| 11 | Sarah Lynch THIS PERSON | 61 | Wife | — | Pennsylvania |
| 12 | Edward Lynch | 32 | Son | Laborer | Pennsylvania |
| 13 | Louis Percival | 41 | Head | Bundler | Italy |
| 14 | Frances Percival | 33 | Wife | — | Pennsylvania |
| 15 | Rachela Percival | 11 | Daughter | — | Pennsylvania |
| 16 | Ida May Percival | 8 | Daughter | — | Pennsylvania |
| 17 | Ray J. Percival | 6 | Son | — | Pennsylvania |
| 18 | William Murtz | 25 | Head | Painter | Pennsylvania |
| 19 | Evelyn Murtz | 25 | Wife | — | Maryland |
| 20 | Kenneth Murtz | 5 | Son | — | Pennsylvania |
| 21 | Elaine Murtz | 1 | Daughter | — | Pennsylvania |
| 22 | William Sullivan | 26 | Head | Laborer | Pennsylvania |
| 23 | Margaret Sullivan | 21 | Wife | — | Pennsylvania |
| 24 | William Sullivan | 2 | Son | — | Pennsylvania |
| 25 | Catherine Kruppa | 56 | Head | — | Hungary |
| 26 | Frank Kruppa | 19 | Son | — | Pennsylvania |
| 27 | Mary Kruppa | 16 | Daughter | — | Pennsylvania |
| 28 | Ethel Kruppa | 13 | Daughter | — | Pennsylvania |
| 29 | Jane Kruppa | 9 | Daughter | — | Pennsylvania |
| 30 | Edgar Adams | 41 | Head | Lockman | Ohio |
| 31 | Mamie Adams | 30 | Wife | — | West Virginia |
| 32 | Steve Namie | 72 | Head | Carpenter | Hungary |
| 33 | Daisy Namie | 59 | Wife | — | Pennsylvania |
| 34 | Jeremia Miller | 84 | Head | — | Pennsylvania |
| 35 | Luella Beatrice Miller | 61 | Sister | — | Pennsylvania |
| 36 | Albert Miller | 60 | Brother-in-law | Laborer | Ohio |
| 37 | Wladis Lupkowski | 59 | Head | Laborer | Germany |
| 38 | Howard Lynch | 57 | Boarder | Laborer | Pennsylvania |
| 39 | James Kyle | 28 | Head | Motor Tender | Pennsylvania |
| 40 | Mary Kyle | 29 | Wife | — | Pennsylvania |
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)