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Mary Mcmullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monroe-County, New York
Our Model Tree links this Mary Mcmullen across the 1930 and 1940 US Censuses in Monroe-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, New York |
| Surname | McMullen |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Rochester City |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Highest Grade | S 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Rochester City |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mcmullen | Son | — | 12 | ~1928 |
| James Mcmullen | Son | — | 13 | ~1927 |
| James Mcmullen | Head | — | 44 | ~1896 |
| Mary Mcmullen | Daughter | — | 10 | ~1930 |
| Dorothy Mcmullen | Daughter | — | 5 | ~1935 |
| Anna Mcmullen | Daughter | — | 8 | ~1932 |
| Marjorie Mcmullen | Daughter | — | 2 | ~1938 |
| Nellie Mcmullen | Daughter | — | 4 | ~1936 |
| Jessie Mcmullen | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Monroe, New …
Daughter, age
Monroe, New York · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMullen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Monroe-County, New …
Daughter, age 10
Monroe-County, New York · implied b. ~1930 — 9 household members
| Surname | McMullen |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Rochester City |
| 1935 Residence (County) | Monroe |
| Highest Grade | S 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Mcmullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcmullen
Daughter · 1940 · age 10 · b. ~1930 · New York
★ You are viewing this record
Sibling
Nellie Mcmullen
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mcmullen
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Mcmullen
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Mcmullen
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcmullen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcmullen
Sibling · 1940 · age 12
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 — Monroe-County, New York
Open full size
1940 US Federal Census — Monroe-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02844-00898)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur F. Keather | 7 | Son | — | New York |
| 2 | Edward Keather | 62 | Head | Carpenter | New York |
| 3 | Cora A. Keather | 59 | Wife | — | New York |
| 4 | Charles Vernarelli | 29 | Head | Pharmacist | New York |
| 5 | Josephine Vernarelli | 29 | Wife | — | New York |
| 6 | Louis D. Vernarelli | 1 | Son | — | New York |
| 7 | Louis Vernarelli | 52 | Head | Tailor | Italy |
| 8 | Rose Vernarelli | 48 | Wife | Seamstress | Italy |
| 9 | Norma Vernarelli | 17 | Daughter | — | New York |
| 10 | Left Open In Error - Missing Name By Neighbor | None | — | — | — |
| 11 | Benjamin C. Barry | 39 | Head | Laborer | New York |
| 12 | Geraldine M. Barry | 36 | Wife | — | New York |
| 13 | James G. Barry | 15 | Son | — | New York |
| 14 | Mary M. Barry | 14 | Daughter | — | New York |
| 15 | Geraldine M. Barry | 12 | Daughter | — | New York |
| 16 | Marjorie C. Barry | 10 | Daughter | — | New York |
| 17 | James J. Barry | 8 | Daughter | — | New York |
| 18 | Nellie L. Barry | 63 | Mother | — | New York |
| 19 | Harold W. Margeson | 41 | Head | Hand Box Maker | New York |
| 20 | Katherine R. Margeson | 28 | Wife | Laborer | New York |
| 21 | Rita Mae Margeson | 5 | Daughter | — | New York |
| 22 | Claire Margeson | 4 | Daughter | — | New York |
| 23 | James Mcmullen | 44 | Head | Helper | Canada-English |
| 24 | Jessie Mcmullen | 32 | Wife | — | Canada-English |
| 25 | James G. Mcmullen | 13 | Son | — | New York |
| 26 | Thomas Mcmullen | 12 | Son | — | New York |
| 27 | Mary H. Mcmullen THIS PERSON | 10 | Daughter | — | New York |
| 28 | Anna H. Mcmullen | 8 | Daughter | — | New York |
| 29 | Dorothy M. Mcmullen | 5 | Daughter | — | New York |
| 30 | Nellie M. Mcmullen | 4 | Daughter | — | New York |
| 31 | Marjorie J. Mcmullen | 2 | Daughter | — | New York |
| 32 | Edward Lavick | 26 | Head | Baker | Canada-English |
| 33 | Elma E. Lavick | 21 | Wife | — | New York |
| 34 | Gail F. Lavick | 2 | Daughter | — | New York |
| 35 | William H. Barend | 34 | Head | Mason | New York |
| 36 | Lena L. Barend | 33 | Wife | Restaurant Worker | Canada-English |
| 37 | Henry L. Barend | 72 | Head | — | New York |
| 38 | Robert L. Kasper | 61 | Head | Janitor Caretaker | Germany |
| 39 | No One Living Here - Misinformed By Neighbor | None | — | — | — |
| 40 | Myra J. Steiner | 40 | Head | — | Eire |
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)