MQ
Mary Quinn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Quinn across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 6-person household.
Age 61
b. ~1879
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Quinn |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | housework |
| Industry | home |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Housework |
| Township / Ward | Phila |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Quinn | Daughter | — | 27 | ~1913 |
| Mary Quinn | Head | — | 61 | ~1879 |
| Joseph Quinn | Son | — | 21 | ~1919 |
| Geraldine Quinn | Son | — | 33 | ~1907 |
| Thomas Quinn | Son | — | 24 | ~1916 |
| Patrick Quinn | Son | — | 31 | ~1909 |
Census Appearances
1920
Philadelphia, Pennsylvania
Spouse, age 39
Philadelphia, Pennsylvania · implied b. ~1881 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Quinn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1895 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1902 |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Spouse, age 47
Philadelphia, Pennsylvania · implied b. ~1883 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Quinn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1892 |
| Age at First Marriage | 15 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Head, age 61
Philadelphia-County, Pennsylvania · implied b. ~1879 — 6 household members
| Surname | Quinn |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Naturalization Status | Naturalized |
| Occupation | housework |
| Industry | home |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Quinn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Quinn
Head · 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 — 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-t0627-03694-00981)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Brock | 23 | Daughter | Bus Girl | Phila |
| 42 | Rose Brock | 21 | Daughter | Housework | Penna |
| 43 | Daniel J. Garvin | 37 | Head | Printer | Penna |
| 44 | Anna M. Garvin | 67 | Mother | Housework | Penna |
| 45 | Oscar Ervin | 53 | Head | Plumber | Penna |
| 46 | Ethel M. Ervin | 44 | Wife | Housework | Penna |
| 47 | Helen L. Ervin | 23 | Daughter | Packer | Penna |
| 48 | Regina M. Ervin | 21 | Daughter | Typist | Penna |
| 49 | Ethel M. Ervin | 14 | Daughter | — | Penna |
| 50 | Mary Quinn THIS PERSON | 61 | Head | Housework | Ireland |
| 51 | Geraldine J. Quinn | 33 | Son | Bank Clerk | Penna |
| 52 | Patrick J. Quinn | 31 | Son | Gen. Worker | Penna |
| 53 | Mary E. Quinn | 27 | Daughter | Office Clerk | Penna |
| 54 | Thomas F. Quinn | 24 | Son | Packer | Penna |
| 55 | Joseph L. Quinn | 21 | Son | Jr. Messgr. | Penna |
| 56 | — | None | — | — | — |
| 57 | James J. Bradley | 71 | Head | — | Ireland |
| 58 | Thomas M. Bradley | 33 | Son | Truck Driver | Penna |
| 59 | Mary C. Bradley | 33 | Wife | Housework | Scotland |
| 60 | Bernard J. Bradley | 21 | Son | Errand Boy | Penna |
| 61 | Catharine J. Bradley | 15 | Daughter | — | Penna |
| 62 | Helen E. Bradley | 8 | Daughter | — | Penna |
| 63 | Agnes T. Bradley | 6 | Daughter | — | Penna |
| 64 | George H. Hirlin | 39 | Head | Brakeman | Penna |
| 65 | Gertrude L. Hirlin | 40 | Wife | Housework | Penna |
| 66 | Elizabeth M. Hirlin | 13 | Daughter | — | Penna |
| 67 | George A. Hirlin | 11 | Son | — | Penna |
| 68 | Charles C. Denny | 42 | Head | Platform Man | Maryland |
| 69 | Catherine M. Denny | 40 | Wife | Housework | Penna |
| 70 | Charles C. Jr. Denny | 22 | Son | Helper | Penna |
| 71 | Robert E. Denny | 20 | Son | Message | Penna |
| 72 | Mary C. Denny | 18 | Daughter | Housework | Penna |
| 73 | Nelson S. Denny | 17 | Son | — | Penna |
| 74 | Evelyn G. Denny | 16 | Daughter | — | Penna |
| 75 | Ronald L. Denny | 11 | Son | — | Penna |
| 76 | Joseph G. Denny | 8 | Son | — | Penna |
| 77 | Robert D. Gardner | 62 | Head | Elev. Oper. | Penna |
| 78 | Mary E. Gardner | 66 | Wife | Housework | Penna |
| 79 | Robert D. Gardner | 42 | Son | Trucker | Penna |
| 80 | Charles M. Gardner | 29 | Son | Gen. Worker | Penna |
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)