ML
Margaret Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Margaret Lynch across the 1910, 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Mary — first a spouse (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Lynch |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1898 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| James Lynch | Head | — | 42 | ~1898 |
| William Lynch | Son | — | 10 | ~1930 |
| Margaret Lynch | Spouse | — | 42 | ~1898 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age 11
Philadelphia, Pennsylvania · implied b. ~1899 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| 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 |
1920
Philadelphia, Pennsylvania
Other, age 22
Philadelphia, Pennsylvania · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Margaret |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Other, age 33
Philadelphia, Pennsylvania · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Margaret |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 33 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Spouse, age 42
Philadelphia-County, Pennsylvania · implied b. ~1898 — 3 household members
| Surname | Lynch |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | H-4 |
| 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 Margaret Lynch across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Lynch (~0.92 confidence) and mother Mary Lynch (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Lynch
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mary Lynch
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Lynch
Spouse · 1940 · age 42 · b. ~1898 · 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 — 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-t0627-03732-00637)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Cott | 24 | Son | Engineer | Pennsylvania |
| 2 | Henry Hughes | 33 | Son-in-law | Engineer | Pennsylvania |
| 3 | Mary Hughes | 20 | Daughter | — | New York |
| 4 | Mary Alice Hughes | 1 | Daughter | — | Pennsylvania |
| 5 | James Lynch | 42 | Head | Paint Grinder | Pennsylvania |
| 6 | Margaret Lynch THIS PERSON | 42 | Wife | — | Pennsylvania |
| 7 | William Lynch | 10 | Son | — | Pennsylvania |
| 8 | Elizabeth Dougherty | 45 | Head | Dressmaker | Pennsylvania |
| 9 | Joseph Dougherty | 40 | Brother | Truck Driver | Pennsylvania |
| 10 | Mary Dougherty | 24 | Daughter | Cashier | Pennsylvania |
| 11 | Elizabeth Steck | 52 | Head | — | Pennsylvania |
| 12 | Frederick Steck | 56 | Husband | Machinist | Pennsylvania |
| 13 | Harold Steck | 23 | Son | Electrician | Pennsylvania |
| 14 | Gladys Steck | 21 | Daughter | Clerk | Pennsylvania |
| 15 | Harriet Beatty | 55 | Head | — | Pennsylvania |
| 16 | Samuel Beatty | 45 | Brother | Draftsman | Pennsylvania |
| 17 | Charles Stephens | 56 | Head | Tailor | Austria |
| 18 | Christine Stephens | 55 | Wife | — | Germany |
| 19 | John Stephens | 19 | Son | Stock Clerk | Pennsylvania |
| 20 | Alex Stephens | 40 | Lodger | Draftsman | Pennsylvania |
| 21 | John C. Lynch | 62 | Head | Machinist | Pennsylvania |
| 22 | Elizabeth Lynch | 58 | Wife | — | Pennsylvania |
| 23 | John Vender | 45 | Head | Glass-Worker | Austria |
| 24 | Margaret Vender | 17 | Daughter | — | Pennsylvania |
| 25 | Bernard Vender | 15 | Son | — | Pennsylvania |
| 26 | Cornelius Howard | 45 | Head | Watchman | Eire |
| 27 | Margaret Howard | 46 | Wife | — | Pennsylvania |
| 28 | Edward Howard | 13 | Son | — | Pennsylvania |
| 29 | Charles Howard | 8 | Son | — | Pennsylvania |
| 30 | Marilyn Howard | 5 | Daughter | — | Pennsylvania |
| 31 | William Mcclune | 35 | Head | — | Pennsylvania |
| 32 | Alyce Mcclune | 35 | Wife | — | Delaware |
| 33 | Charles Clayville | 57 | Father-in-law | Machinist Helper | Delaware |
| 34 | Joseph Richter | 35 | Head | Sheet Metal Worker | New York |
| 35 | Kathryn Richter | 35 | Wife | — | Pennsylvania |
| 36 | Joseph Richter | 10 | Son | — | Pennsylvania |
| 37 | John Maguire | 57 | Head | Clerk | Pennsylvania |
| 38 | William Maguire | 23 | Son | Chemical Engineer | Pennsylvania |
| 39 | James Mccullough | 37 | Head | Chemical Engineer | Pennsylvania |
| 40 | Agnes Mccullough | 31 | Wife | — | Pennsylvania |
Pedigree Summary
Margaret
Gen 1 · 2 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)