MC
Mary Cox — 1920 US Census Record
Model Tree available1920 United States Federal Census · Poweshiek, Iowa
Our Model Tree links this Mary Cox across the 1900, 1910 and 1920 US Censuses in Poweshiek, Iowa (XGBoost, ~Confirmed), with identified parents Will & William — first a daughter (b.~1899), then head of a 3-person household.
Age 21
b. ~1899
Female
Daughter
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Poweshiek, Iowa |
| Surname | Cox |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Deep River Town |
| Est. Birth Year | ~1899 |
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 Cox | Daughter | — | 21 | ~1899 |
| William Cox | Head | — | 58 | ~1862 |
| Gertie Cox | Spouse | — | 52 | ~1868 |
Census Appearances
1900
Poweshiek, Iowa
Daughter, age 2
Poweshiek, Iowa · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Sept |
| Birth Year | 1898 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Poweshiek, Iowa
Daughter, age 11
Poweshiek, Iowa · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Poweshiek, Iowa
Daughter, age 21
Poweshiek, Iowa · implied b. ~1899 — 3 household members
| Surname | Cox |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| 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 Cox across 3 US Census years (1900, 1910 and 1920) in Poweshiek, Iowa, using XGBoost record linkage. Identified parents: father Will Cox (~0.92 confidence) and father William Cox (~0.92 confidence) and mother Nellie Cox (~0.92 confidence) and father William Cox (~0.92 confidence) and mother Mattie Cox (~0.92 confidence) and mother Gertie Cox (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Will Cox
b. ~1861
Source father
● Household
· direct · ~0.92
Father
William Cox
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Nellie Cox
b. ~1861
Source mother
● Household
· direct · ~0.92
Father
William Cox
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Mattie Cox
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Gertie Cox
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Cox
Daughter · 1920 · age 21 · b. ~1899 · 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 — Poweshiek, Iowa
Open full size
1920 US Federal Census — Poweshiek, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu511unit:0068)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Orlando Winegarden | 67 | Head | Salesman | Iowa |
| 2 | Sarah Winegarden | 60 | Wife | — | Pennsylvania |
| 3 | Hazel Winegarden | 22 | Daughter | Teacher | Iowa |
| 4 | Charles Dixon | 59 | Brother-in-law | — | Ohio |
| 5 | Andrew Icenbice | 39 | Head | Merchant | Iowa |
| 6 | Jean Icenbice | 33 | Wife | — | Iowa |
| 7 | Margaret A. Icenbice | 75 | Mother | — | Pennsylvania |
| 8 | Florence Icenbice | 42 | Sister | — | Iowa |
| 9 | David R. Icenbice | 32 | Brother | — | Iowa |
| 10 | William Schrader | 36 | Head | Laborer | Iowa |
| 11 | Rachel Schrader | 34 | Wife | — | Iowa |
| 12 | Frank Murray | 30 | Head | Agent | Iowa |
| 13 | Lavina Murray | 28 | Wife | — | Iowa |
| 14 | Doris Murray | 0 | Daughter | — | Iowa |
| 15 | William Cox | 58 | Head | Stock Buyer | Iowa |
| 16 | Gertie Cox | 52 | Wife | — | Iowa |
| 17 | Mary Cox THIS PERSON | 21 | Daughter | — | Iowa |
| 18 | Frank Wilson | 57 | Head | Stock Buyer | Iowa |
| 19 | Mary Wilson | 55 | Wife | — | Ohio |
| 20 | Ethel Wilson | 13 | Daughter | — | Iowa |
| 21 | George Auld | 80 | Head | — | Ohio |
| 22 | Katherine Auld | 71 | Wife | — | Illinois |
| 23 | Faith Auld | 33 | Niece | Nurse | Iowa |
| 24 | Bessie Auld | 56 | Servant | Servant | Iowa |
| 25 | Castie Pruitt | 59 | Head | — | Ohio |
| 26 | Mary Pruitt | 38 | Daughter | — | Iowa |
| 27 | John Pruitt | 32 | Son | Laborer | Iowa |
| 28 | John Cox | 51 | Head | General Store | Iowa |
| 29 | Margaret Cox | 46 | Wife | — | Iowa |
| 30 | Howard Cox | 23 | Son | Salesman | Iowa |
| 31 | Minnie Rieke | 37 | Head | Servant | Iowa |
| 32 | Virginia Rieke | 16 | Daughter | — | Iowa |
| 33 | Mildred Rieke | 14 | Daughter | — | Iowa |
| 34 | Alton Rieke | 10 | Son | — | Iowa |
| 35 | Doris Rieke | 8 | Daughter | — | Iowa |
| 36 | Ben Mahr | 55 | Head | Laborer | Illinois |
| 37 | Sarah Mahr | 37 | Wife | — | Iowa |
| 38 | Leslie Mahr | 26 | Son | Laborer | Iowa |
| 39 | Clyde Mahr | 21 | Son | Laborer | Iowa |
| 40 | Floyd Mahr | 19 | Son | Laborer | Iowa |
| 41 | Raymond Mahr | 14 | Son | — | Iowa |
| 42 | Benjamin Mahr | 11 | Son | — | Iowa |
| 43 | Gladys Mahr | 8 | Daughter | — | Iowa |
| 44 | Edith Mahr | 6 | Daughter | — | Iowa |
| 45 | J. W. Boland | 32 | Head | Telephone | Iowa |
| 46 | Leila Boland | 26 | Wife | — | Iowa |
| 47 | Carol Boland | 12 | Daughter | — | Iowa |
| 48 | Mary Boland | 9 | Daughter | — | Iowa |
| 49 | Will Scott | 46 | Head | Laborer | Pennsylvania |
| 50 | Lydia Scott | 35 | Wife | — | Iowa |
Pedigree Summary
Mary
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)