MG
Mary Graham — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Graham across the 1900, 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 3-person household.
Age 36
b. ~1884
Female
Spouse
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Graham |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1905 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | engineer |
| Industry | stationary |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Engineer |
| Township / Ward | City Of Philadelphia |
| Est. Birth Year | ~1884 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Graham | Daughter | — | 19 | ~1901 |
| Andrew Graham | Head | — | 48 | ~1872 |
| Mary Graham | Spouse | — | 36 | ~1884 |
Census Appearances
1900
Philadelphia, Pennsylvania
Other, age 23
Philadelphia, Pennsylvania · implied b. ~1877 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Mary |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ireland |
| Birth Month | May |
| Birth Year | 1877 |
| Year of Immigration | 1894 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Waitress |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Philadelphia, Pennsylvania
Spouse, age 28
Philadelphia, Pennsylvania · implied b. ~1882 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 2 |
| Children Born | 0 |
| Children Living | 0 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Philadelphia, Pennsylvania
Spouse, age 36
Philadelphia, Pennsylvania · implied b. ~1884 — 3 household members
| Surname | Graham |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1905 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | engineer |
| Industry | stationary |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| 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 Graham across 3 US Census years (1900, 1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Mary Graham
Spouse · 1920 · age 36 · b. ~1884 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1620unit:0525)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Alexander Gerlach | 20 | son | None | Penna |
| 52 | Charles Gerlach | 16 | son | Salesman | Penna |
| 53 | Marguerite Gerlach | 12 | daughter | None | Penna |
| 54 | Frank Beresey | 38 | head | Waiter | Un Un |
| 55 | Helen Beresey | 25 | wife | None | Penna |
| 56 | Andrew Graham | 48 | head | Salesman | New York |
| 57 | Mary Graham THIS PERSON | 36 | wife | Engineer | Ireland |
| 58 | Mary Graham | 19 | daughter | None | Penna |
| 59 | Walter Broadwell | 30 | head | None | Virginia |
| 60 | Annie B Broadwell | 25 | wife | None | Virginia |
| 61 | Walter Jr Broadwell | 3 | son | None | Virginia |
| 62 | Annabel Broadwell | 2 | daughter | None | Virginia |
| 63 | William Broadwell | 1 | son | None | Virginia |
| 64 | Ellen Hartnett | 50 | head | None | Ireland |
| 65 | Joseph Hartnett | 35 | son | Shoemaker | Penna |
| 66 | James Hartnett | 30 | son | Machinist | Penna |
| 67 | Richard Hartnett | 27 | son | Machinist | Penna |
| 68 | William Hartnett | 24 | son | Plumber | Penna |
| 69 | Frank Ambrosy | 30 | head | Machinist | Penna |
| 70 | Cleo Ambrosy | 24 | wife | None | Penna |
| 71 | Isadore Kahn | 58 | head | None | Russia |
| 72 | Helen Kahn | 32 | wife | Actor | Penna |
| 73 | Kenneth Kahn | 17 | son | Actress | Penna |
| 74 | Charles Gale | 29 | head | None | New York |
| 75 | Alice Gale | 27 | wife | Actor | New York |
| 76 | Raymond Gale | 12 | son | None | New York |
| 77 | Gladys Evans | 25 | lodger | Actress | Illinois |
| 78 | Helen Specht | 37 | lodger | Machinist | Penna |
| 79 | Albert Lindsay | 50 | lodger | None | Penna |
| 80 | Thomas Hagan | 58 | lodger | Shoemaker | Ireland |
| 81 | John Lamb | 20 | head | Bookmaker | Penna |
| 82 | Helen Lamb | 18 | wife | None | Penna |
| 83 | Julia Whurley | 30 | head | None | Germany |
| 84 | Marie Whurley | 20 | daughter | Hosier | Penna |
| 85 | Blanche Rodgers | 26 | head | None | Penna |
| 86 | Norman Rodgers | 33 | head | None | Penna |
| 87 | Bessie Rodgers | 25 | wife | None | Penna |
| 88 | Harry Gane | 32 | head | Iron Worker | Penna |
| 89 | Rose Gane | 34 | wife | None | Penna |
| 90 | William Robinson | 42 | head | Automobile Dealer | New York |
| 91 | Ethel Robinson | 37 | wife | None | Penna |
| 92 | Frank O'Neill | 53 | lodger | Metal Worker | Penna |
| 93 | Francis Sexton | 42 | lodger | Machinist | Penna |
| 94 | Samuel Reilly | 27 | head | Fireman | Penna |
| 95 | Elizabeth Reilly | 22 | wife | Machinist | Penna |
| 96 | Thomas Mooney | 24 | head | Waiter | Penna |
| 97 | Rebecca Mooney | 24 | wife | Greaser | Penna |
| 98 | Joseph William | 20 | lodger | Harness Maker | Penna |
| 99 | Fred Washington | 24 | lodger | Salesman | Penna |
| 100 | George Washington | 22 | lodger | Truckman | Penna |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)