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Mary Mcnally — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this Mary Mcnally across the 1920, 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | McNally |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bethlehem City |
| 1935 Residence (County) | Lehigh |
| Additional Details | |
| Occupation | Nurse |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1080 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Nurse |
| Township / Ward | Bethlehem City |
| Est. Birth Year | ~1916 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Mcnally | Son | — | 22 | ~1918 |
| James Mcnally | Son | — | 25 | ~1915 |
| Kathleen Mcnally | Daughter | — | 18 | ~1922 |
| William Mcnally | Head | — | 51 | ~1889 |
| Ellen Mcnally | Spouse | — | 52 | ~1888 |
| Grace Mcnally | Daughter | — | 20 | ~1920 |
| Mary Mcnally | Daughter | — | 24 | ~1916 |
Census Appearances
1920
Lehigh, Pennsylvania
Daughter, age 4
Lehigh, Pennsylvania · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNally |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New York |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lehigh, Pennsylvania
Daughter, age 15
Lehigh, Pennsylvania · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNally |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lehigh-County, Pennsylvania
Daughter, age 24
Lehigh-County, Pennsylvania · implied b. ~1916 — 7 household members
| Surname | McNally |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bethlehem City |
| 1935 Residence (County) | Lehigh |
| Occupation | Nurse |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1080 |
| Highest Grade | C 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 Mary Mcnally across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Mcnally (~0.92 confidence) and father William Mcnally (~0.92 confidence) and father William Mcnally (~0.92 confidence) and mother Ellen Mcnally (~0.92 confidence) and mother Ellen Mcnally (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Mcnally
b. ~1889
Source father
● Household
· direct · ~0.92
Father
William Mcnally
b. ~1889
Source father
● Household
· direct · ~0.92
Father
William Mcnally
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Ellen Mcnally
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Ellen Mcnally
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mcnally
Daughter · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
Grace Mcnally
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Mcnally
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcnally
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mcnally
Sibling · 1940 · age 22
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 — Lehigh-County, Pennsylvania
Open full size
1940 US Federal Census — Lehigh-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03545-00407)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Pulley | 17 | Son | Candymaker | Pennsylvania |
| 42 | Grace Pulley | 16 | Daughter | — | Pennsylvania |
| 43 | Elsie Pulley | 14 | Daughter | — | Pennsylvania |
| 44 | Edward Demmoms | 42 | Head | Operator | Pennsylvania |
| 45 | Mary Demmoms | 33 | Wife | — | Pennsylvania |
| 46 | Richard Demmoms | 15 | Son | — | Pennsylvania |
| 47 | Mary Demmoms | 12 | Daughter | — | Pennsylvania |
| 48 | Edward Demmoms | 7 | Son | — | Pennsylvania |
| 49 | John Demmoms | 2 | Son | — | Pennsylvania |
| 50 | William Buckfeller | 25 | Head | Laborer | Pennsylvania |
| 51 | Anna Buckfeller | 27 | Wife | — | Pennsylvania |
| 52 | William Jr. Buckfeller | 6 | Son | — | Pennsylvania |
| 53 | Louis Bago | 57 | Head | Laborer | Austria |
| 54 | Julia Bago | 55 | Wife | — | Austria |
| 55 | Michael Murphy | 40 | Head | General Foreman | Pennsylvania |
| 56 | Ida Murphy | 38 | Wife | — | Pennsylvania |
| 57 | Richard Murphy | 20 | Son | Laborer | Pennsylvania |
| 58 | Michael Jr. Murphy | 15 | Son | — | Pennsylvania |
| 59 | Catharine Solunck | 72 | Head | — | Pennsylvania |
| 60 | John Solunck | 36 | Son | Shelter | Pennsylvania |
| 61 | Elmer Bartholomew | 71 | Head | — | Pennsylvania |
| 62 | Elmer Jr. Bartholomew | 35 | Son | — | Pennsylvania |
| 63 | Elwood Bartholomew | 25 | Son | Bricklayer | Pennsylvania |
| 64 | Bridget Morgan | 70 | Head | — | Ireland |
| 65 | Katherine Morgan | 68 | Sister | — | Pennsylvania |
| 66 | Sarah Morgan | 58 | Sister | — | Pennsylvania |
| 67 | Nellie Macmillan | 54 | Sister | — | Pennsylvania |
| 68 | William Mcnally | 51 | Head | — | Pennsylvania |
| 69 | Ellen Mcnally | 52 | Wife | — | New York |
| 70 | James Mcnally | 25 | Son | Thresher | Pennsylvania |
| 71 | Mary Mcnally THIS PERSON | 24 | Daughter | Nurse | Pennsylvania |
| 72 | Charles Mcnally | 22 | Son | — | Pennsylvania |
| 73 | Grace Mcnally | 20 | Daughter | — | Pennsylvania |
| 74 | Kathleen Mcnally | 18 | Daughter | — | Pennsylvania |
| 75 | John S. Player | 61 | Head | Carpenter | Austria |
| 76 | Mary Player | 52 | Wife | — | Austria |
| 77 | William Player | 19 | Son | Molder Helper | Pennsylvania |
| 78 | Charles M. Young | 36 | Head | Laborer | Pennsylvania |
| 79 | Marguerite Young | 35 | Wife | — | Pennsylvania |
| 80 | John Young | 9 | Son | — | Pennsylvania |
Pedigree Summary
Mary + 4 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)