MG
Mary Grady — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Grady across the 1900, 1910 and 1920 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1862), then head of a 3-person household.
Age 58
b. ~1862
Female
Spouse
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Suffolk, Massachusetts |
| Surname | Grady |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1902 |
| Birthplace (normalized) | ireland |
| Township / Ward | Boston City |
| Est. Birth Year | ~1862 |
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 Grady | Spouse | — | 58 | ~1862 |
| Patrick Grady | Head | — | 69 | ~1851 |
| Andrew Grady | Son | — | 27 | ~1893 |
Census Appearances
1900
Suffolk, Massachusetts
Spouse, age 40
Suffolk, Massachusetts · implied b. ~1860 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grady |
| Given Name | Mary T. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Aug |
| Birth Year | 1860 |
| Year of Immigration | 1880 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Suffolk, Massachusetts
Spouse, age 47
Suffolk, Massachusetts · implied b. ~1863 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grady |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 27 |
| Children Born | 7 |
| Children Living | 7 |
| Year of Immigration | 1880 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Suffolk, Massachusetts
Spouse, age 58
Suffolk, Massachusetts · implied b. ~1862 — 3 household members
| Surname | Grady |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1902 |
| 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 Grady across 3 US Census years (1900, 1910 and 1920) in Suffolk, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Grady
Spouse · 1920 · age 58 · b. ~1862 · Massachusetts
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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 — Suffolk, Massachusetts
Open full size
1920 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu735unit:1144)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lillian Cohen | 2 | daughter | None | Boston Mass |
| 52 | Sylvia Cohen | 0 | daughter | None | Mass |
| 53 | Katherine Karger | 50 | mother-in-law | None | Russia |
| 54 | Charles Karger | 17 | brother-in-law | Book Accountant | Mass |
| 55 | Rose Karger | 15 | sister-in-law | None | Mass |
| 56 | Israel Dietrich | 25 | Head | Stenographer | Russia |
| 57 | Ida Dietrich | 24 | Wife | None | Boston Mass |
| 58 | Irving Dietrich | 2 | son | None | Mass |
| 59 | Anthony Kassa | 32 | Head | Carpenter | Austria |
| 60 | Mary Kassa | 26 | Wife | None | Pennsylvania |
| 61 | Adeline Kassa | 6 | daughter | None | Mass |
| 62 | Theresa Kassa | 2 | daughter | None | Mass |
| 63 | Theodore Shaws | 51 | Head | Brewer | Russia |
| 64 | Alice Shaws | 45 | Wife | None | Mass |
| 65 | Theodore Jr. Shaws | 9 | son | None | Mass |
| 66 | Thomas F. Maguire | 35 | Head | Fireman | Mass |
| 67 | Helen Maguire | 27 | Wife | None | Boston Mass |
| 68 | Thomas F. Maguire | 6 | son | None | Boston Mass |
| 69 | Helen Maguire | 4 | daughter | None | Mass |
| 70 | Edna M. Maguire | 1 | daughter | None | Mass |
| 71 | Esther Price | 41 | Head | Storekeeper | Poland |
| 72 | Lottie Price | 22 | daughter | Cashier | Boston Mass |
| 73 | Bessie Price | 20 | daughter | Examiner | Mass |
| 74 | Marion Price | 17 | daughter | None | Mass |
| 75 | Frances Price | 15 | daughter | None | Mass |
| 76 | Samuel Price | 13 | son | None | Mass |
| 77 | Paul O. Oehlums | 57 | Head | Watchmaker | Germany |
| 78 | Frank Smolinsky | 33 | Head | Foreman | Austria |
| 79 | Annie Smolinsky | 33 | Wife | None | Austria |
| 80 | Annie Smolinsky | 13 | daughter | None | Boston Mass |
| 81 | Rose Smolinsky | 12 | daughter | None | Mass |
| 82 | Frank Smolinsky | 10 | son | None | Mass |
| 83 | Agnes Smolinsky | 9 | daughter | None | Mass |
| 84 | John Smolinsky | 7 | son | None | Mass |
| 85 | Mildred Smolinsky | 6 | daughter | None | Mass |
| 86 | Glenn Smolinsky | 4 | son | None | Mass |
| 87 | Matilda Smolinsky | 2 | daughter | None | Mass |
| 88 | Patrick Grady | 69 | Head | None | Ireland |
| 89 | Mary Grady THIS PERSON | 58 | Wife | None | Ireland |
| 90 | Andrew F. Grady | 27 | son | Wire Chief | Boston Mass |
| 91 | Charles B. Tower | 43 | Head | Steam Fitter | New Brunswick |
| 92 | Alice E. Tower | 31 | Wife | None | Boston Mass |
| 93 | James Tower | 11 | son | None | Mass |
| 94 | Charles R. Tower | 9 | son | None | Mass |
| 95 | Margaret G. Tower | 6 | daughter | None | Mass |
| 96 | Marie Tower | 4 | daughter | None | Mass |
| 97 | Louise Tower | 1 | daughter | None | Mass |
| 98 | Thomas Landers | 35 | Head | Labourer | Ireland |
| 99 | Katrina Landers | 45 | Wife | None | Ireland |
| 100 | Thomas Landers | 46 | Brother | Teamster | Cambridge Mass |
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)