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Mary Mcnulty — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bucks-County, Pennsylvania
Our Model Tree links this Mary Mcnulty across the 1920, 1930 and 1940 US Censuses in Bucks-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Margaret — first a daughter (b.~1913), then head of a 6-person household.
Age 27
b. ~1913
Female
Daughter
Born: Rhode Island
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bucks-County, Pennsylvania |
| Surname | McNulty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Yardley Brough |
| 1935 Residence (County) | Bucks |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Hours Worked | 30 |
| Income (1939) | 1050 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Teacher |
| Township / Ward | Yardley Brough |
| Est. Birth Year | ~1913 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Rose Mcnulty | Daughter | — | 23 | ~1917 |
| John Mcnulty | Son | — | 25 | ~1915 |
| Margaret Mcnulty | Spouse | — | 52 | ~1888 |
| James Mcnulty | Son | — | 19 | ~1921 |
| John Mcnulty | Head | — | 59 | ~1881 |
| Mary Mcnulty | Daughter | — | 27 | ~1913 |
Census Appearances
1920
Bucks, Pennsylvania
Daughter, age 7
Bucks, Pennsylvania · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNulty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Can Read | No |
| Can Write | No |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Bucks, Pennsylvania
Daughter, age 17
Bucks, Pennsylvania · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNulty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Bucks-County, Pennsylvania
Daughter, age 27
Bucks-County, Pennsylvania · implied b. ~1913 — 6 household members
| Surname | McNulty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Yardley Brough |
| 1935 Residence (County) | Bucks |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Hours Worked | 30 |
| Income (1939) | 1050 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Mcnulty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mcnulty (~0.92 confidence) and mother Margaret Mcnulty (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mcnulty
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Margaret Mcnulty
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mcnulty
Daughter · 1940 · age 27 · b. ~1913 · Pennsylvania
★ You are viewing this record
Sibling
John Mcnulty
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Mcnulty
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcnulty
Sibling · 1940 · age 19
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 — Bucks-County, Pennsylvania
Open full size
1940 US Federal Census — Bucks-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03447-00682)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sue E. Wilson | 52 | Head | Librarian | New Jersey |
| 42 | Margaret C. Wilson | 50 | Sister | Hostess | New Jersey |
| 43 | John Derry | 52 | Head | Laborer | New Jersey |
| 44 | Fanny Derry | 53 | Wife | Servant | Pennsylvania |
| 45 | Dorothy Derry | 18 | Daughter | — | Pennsylvania |
| 46 | Ambrose Miller | 49 | Head | Telegrapher | Pennsylvania |
| 47 | Gertrude Miller | 40 | Wife | — | Pennsylvania |
| 48 | Donald Miller | 8 | Son | — | New Jersey |
| 49 | Edward J. Miller | 7 | Son | — | Pennsylvania |
| 50 | Malvern Hennessey | 17 | Cousin | — | Pennsylvania |
| 51 | John Mcnulty | 59 | Head | Mechanical Engin. | Rhode Island |
| 52 | Margaret Mcnulty | 52 | Wife | — | Rhode Island |
| 53 | Mary Mcnulty THIS PERSON | 27 | Daughter | Teacher | Rhode Island |
| 54 | John Mcnulty | 25 | Son | Engineer'S Helper | Rhode Island |
| 55 | Rose Mcnulty | 23 | Daughter | Stenographer | Rhode Island |
| 56 | James Mcnulty | 19 | Son | Helper | Pennsylvania |
| 57 | Norman Tallman | 47 | Head | Proprietor | Pennsylvania |
| 58 | Florence Tallman | 44 | Wife | — | New York |
| 59 | Elizabeth Tallman | 12 | Daughter | — | New Jersey |
| 60 | Sara J. Clark | 69 | Aunt | — | Pennsylvania |
| 61 | Vincent Russell | 60 | Head | Manager | New Jersey |
| 62 | Myrtle Russell | 50 | Wife | Asst. Manager | New Jersey |
| 63 | Jessie Labaw | 23 | Waitress | Waitress | New Jersey |
| 64 | John J. O'Neil | 66 | Head | Carpenter | Pennsylvania |
| 65 | Annie O'Neil | 64 | Wife | — | Pennsylvania |
| 66 | John F. Mccullough | 42 | Brother-in-law | Manager | Pennsylvania |
| 67 | Joseph Auer | 66 | Head | Machinist | New Jersey |
| 68 | Emma Auer | 66 | Wife | — | New Jersey |
| 69 | Edna Auer | 40 | Daughter | — | New Jersey |
| 70 | Joseph, Jr. Auer | 30 | Son | Mechanic | New Jersey |
| 71 | Dorothy Auer | 20 | Daughter | Operator | New Jersey |
| 72 | Harry H. Gilmore | 54 | Head | Repairman | Pennsylvania |
| 73 | Helen S. Gilmore | 54 | Wife | — | Pennsylvania |
| 74 | Alexander J. Neely | 48 | Head | Telegrapher | Pennsylvania |
| 75 | Grace Neely | 41 | Wife | — | New Jersey |
| 76 | Grace Neely | 14 | Daughter | — | New Jersey |
| 77 | John M. Coulter | 44 | Boarder | Manager | Kansas City, Mo. |
| 78 | Howard Ashton | 56 | Head | Foreman | Pennsylvania |
| 79 | Elizabeth Ashton | 51 | Wife | — | Pennsylvania |
| 80 | Raymond Ashton | 40 | Nephew | Laborer | Pennsylvania |
Related Census Records
Pedigree Summary
Mary + 3 siblings
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)