MG
Mary Graves — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Monroe, Iowa
Our Model Tree links this Mary Graves across the 1910 and 1920 US Censuses in Monroe, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 9-person household.
Age 13
b. ~1907
Female
Daughter
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Monroe, Iowa |
| Surname | Graves |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Buxton Town |
| Est. Birth Year | ~1907 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Sadie Graves | Daughter | — | 15 | ~1905 |
| Mary Graves | Daughter | — | 13 | ~1907 |
| Rosa Graves | Spouse | — | 38 | ~1882 |
| Maria Ross | Other | — | ~1920 | |
| Cecil Graves | Son | — | 11 | ~1909 |
| Jennie Ross | Daughter | — | 17 | ~1903 |
| Oscar Graves | Son | — | 23 | ~1897 |
| Henry Graves | Head | — | 53 | ~1867 |
| David Ross | Other | — | 28 | ~1892 |
Census Appearances
1910
Monroe, Iowa
Daughter, age 3
Monroe, Iowa · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graves |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Virginia |
| Mother's Birthplace | North Carolina |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Monroe, Iowa
Daughter, age 13
Monroe, Iowa · implied b. ~1907 — 9 household members
| Surname | Graves |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Graves across 2 US Census years (1910 and 1920) in Monroe, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Graves
Daughter · 1920 · age 13 · b. ~1907 · Iowa
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Sibling
Jennie Ross
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Graves
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sadie Graves
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oscar Graves
Sibling · 1920 · age 23
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
1920 US Federal Census — Monroe, Iowa
Open full size
1920 US Federal Census — Monroe, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu503unit:0746)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Myrtle Scott | 10 | Daughter | None | Iowa |
| 52 | Fred Baker | 36 | Head | None | Iowa |
| 53 | Maggie Baker | 24 | Wife | None | Iowa |
| 54 | Goldie Baker | 6 | Daughter | None | Illinois |
| 55 | Opal Baker | 3 | Daughter | None | Iowa |
| 56 | Sherman Baker | 77 | Father | Miner | Iowa |
| 57 | Henry Graves | 53 | Head | Miner | Virginia |
| 58 | Rosa Graves | 38 | Wife | None | Virginia |
| 59 | Oscar Graves | 23 | Son | Miner | West Va |
| 60 | Jennie Ross | 17 | Daughter | None | West Virginia |
| 61 | Sadie Graves | 15 | Daughter | None | Virginia |
| 62 | Mary E. Graves THIS PERSON | 13 | Daughter | None | Iowa |
| 63 | Cecil Graves | 11 | Son | None | Iowa |
| 64 | David Ross | 28 | Son-in-law | Miner | Oklahoma |
| 65 | Maria Ross | 0 | Granddaughter | None | Iowa |
| 66 | Joseph Thomas | 45 | Head | Miner | Virginia |
| 67 | Mary G. Thomas | 42 | Wife | None | Virginia |
| 68 | Alex Cook | 54 | Head | Carpenter | Iowa |
| 69 | Mary Cook | 54 | Wife | None | Iowa |
| 70 | Arthur Cook | 25 | Son | Laborer | Iowa |
| 71 | Pearl Cook | 17 | Daughter | Servant | Iowa |
| 72 | Winford Cook | 14 | Son | None | Iowa |
| 73 | Doran Cook | 11 | Son | None | Iowa |
| 74 | Rice Pellis | 54 | Head | Miner | Virginia |
| 75 | Maggie Pellis | 37 | Wife | None | Virginia |
| 76 | John Pringer | 46 | Head | Miner | Austria |
| 77 | Minnie Pringer | 38 | Wife | None | Hungary |
| 78 | Minnie Pringer | 17 | Daughter | Teacher | Germany |
| 79 | John Pringer | 16 | Son | Miner | Germany |
| 80 | Marie Pringer | 14 | Daughter | None | Germany |
| 81 | Helen Pringer | 11 | Daughter | None | Iowa |
| 82 | Frank Darnell | 55 | Head | Carpenter | Kentucky |
| 83 | Susie Darnell | 43 | Wife | None | Missouri |
| 84 | Leslie Darnell | 19 | Son | Carpenter | Missouri |
| 85 | Ralph Darnell | 10 | Son | None | Missouri |
| 86 | Thomas Tierney | 40 | Son-in-law | Blacksmith | Iowa |
| 87 | Grace Tierney | 21 | Daughter | None | Missouri |
| 88 | Elmer Folsom | 43 | Head | None | Missouri |
| 89 | Rosetta Folsom | 32 | Wife | None | Illinois |
| 90 | A. J. Matthews | 34 | Head | Miner | Alabama |
| 91 | Ollie Matthews | 27 | Wife | None | Maryland |
| 92 | Joe Grissett | 51 | Head | Miner | Arkansas |
| 93 | Daisy Grissett | 31 | Wife | None | Virginia |
| 94 | Thelma Grissett | 12 | Daughter | None | Arkansas |
| 95 | Albert Grissett | 10 | Son | None | Arkansas |
| 96 | Ben Grissett | 44 | Head | Miner | Arkansas |
| 97 | Bertilla Grissett | 36 | Wife | None | Kentucky |
| 98 | Novia Grissett | 20 | Daughter | None | Missouri |
| 99 | James Grissett | 18 | Son | None | Kentucky |
| 100 | Maggie Grissett | 14 | Daughter | None | Alabama |
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)