MG
Mary Grady — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Linn, Iowa
Our Model Tree links this Mary Grady across the 1900, 1910 and 1920 US Censuses in Linn, Iowa (XGBoost, ~Confirmed) — first a head (b.~1853), then head of a 4-person household.
Age 67
b. ~1853
Female
Head
Born: Ireland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Linn, Iowa |
| Surname | Grady |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1871 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1876 |
| Birthplace (normalized) | ireland |
| Township / Ward | Cedar Rapids City |
| Est. Birth Year | ~1853 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Walter Grady | Son | — | 25 | ~1895 |
| James Grady | Son | — | 32 | ~1888 |
| Elizabeth Grady | Daughter | — | 40 | ~1880 |
| Mary Grady | Head | — | 67 | ~1853 |
Census Appearances
1900
Linn, Iowa
Spouse, age 48
Linn, Iowa · implied b. ~1852 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grady |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Oct |
| Birth Year | 1852 |
| Year of Immigration | 1871 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Linn, Iowa
Spouse, age 58
Linn, Iowa · implied b. ~1852 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grady |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 40 |
| Children Born | 12 |
| Children Living | 10 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Linn, Iowa
Head, age 67
Linn, Iowa · implied b. ~1853 — 4 household members
| Surname | Grady |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1871 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1876 |
| 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 Linn, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Grady
Head · 1920 · age 67 · b. ~1853 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Linn, Iowa
Open full size
1920 US Federal Census — Linn, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu500unit:0995)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Sadie Tyler | 41 | wife | — | Illinois |
| 52 | Paul Tyler | 19 | son | Lineman | Illinois |
| 53 | Silas Tyler | 17 | son | Auto Mechanic | Illinois |
| 54 | Faith Tyler | 14 | daughter | — | Illinois |
| 55 | Herbert Lapham | 43 | Head | Salesman | Iowa |
| 56 | Lila Lapham | 44 | wife | — | Ohio |
| 57 | Fred Lapham | 15 | son | Wagon Driver | Iowa |
| 58 | Robert Lapham | 5 | son | — | Iowa |
| 59 | Melville Malloy | 50 | Head | Laborer | Iowa |
| 60 | Ellen Malloy | 49 | wife | — | Iowa |
| 61 | Loren Malloy | 24 | son | Box Department | Iowa |
| 62 | Herman Malloy | 23 | son | Box Department | Iowa |
| 63 | Alfred Malloy | 21 | son | Wagon Driver | Iowa |
| 64 | Gretchen Malloy | 13 | daughter | — | Iowa |
| 65 | Alberta Malloy | 11 | daughter | — | Iowa |
| 66 | Georgia Malloy | 8 | daughter | — | Iowa |
| 67 | William Grady | 28 | Head | Laborer | Iowa |
| 68 | Lucile Grady | 23 | wife | — | Iowa |
| 69 | William Grady | 3 | son | — | Iowa |
| 70 | James Grady | 1 | son | — | Iowa |
| 71 | Allene Grady | 0 | daughter | — | Iowa |
| 72 | William Tire | 38 | Head | Laborer | Iowa |
| 73 | Tessa Tire | 47 | wife | — | Illinois |
| 74 | Annie Haberman | 77 | Head | — | Germany |
| 75 | Mary Grady THIS PERSON | 67 | Head | — | Ireland |
| 76 | James Grady | 32 | son | Switchman | Iowa |
| 77 | Walter Grady | 25 | son | Laborer | Iowa |
| 78 | Elizabeth Grady | 40 | daughter | Saleslady | Illinois |
| 79 | William Hickman | 46 | Head | Truck Driver | Iowa |
| 80 | Allie Hickman | 42 | wife | — | Iowa |
| 81 | John Hickman | 16 | son | Laborer | Iowa |
| 82 | Ruby Hickman | 13 | daughter | — | Iowa |
| 83 | Earl Trotter | 37 | Head | Engineer | North Dakota |
| 84 | Ada Trotter | 62 | Mother | — | Indiana |
| 85 | Tomas Astrochy | 30 | Head | Icing Cars | Russia |
| 86 | Branna Astrochy | 24 | wife | — | Russia |
| 87 | Fred Dippe | 54 | Head | Motorman | Iowa |
| 88 | Emma Dippe | 51 | wife | — | Illinois |
| 89 | Raymond Dippe | 7 | son | — | Iowa |
| 90 | Francis Jenkins | 40 | Head | Fireman | Iowa |
| 91 | Carrie Jenkins | 36 | wife | — | Iowa |
| 92 | Irene Jenkins | 15 | daughter | — | Iowa |
| 93 | Ernest Jenkins | 12 | son | — | Iowa |
| 94 | Harry Jenkins | 10 | son | — | Iowa |
| 95 | Harlan Jenkins | 5 | son | — | Iowa |
| 96 | Daniel Monson | 55 | Head | Laborer | Iowa |
| 97 | Ellen Monson | 55 | wife | — | Iowa |
| 98 | Herbert Monson | 27 | son | Mechanic | Iowa |
| 99 | Opal Monson | 17 | daughter | — | Iowa |
| 100 | Ruth Monson | 14 | daughter | — | Iowa |
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)