JM
James Mcdonough — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Polk, Iowa
Our Model Tree links this James Mcdonough across the 1910 and 1920 US Censuses in Polk, Iowa (XGBoost, ~Confirmed) — first a son (b.~1891), then head of a 8-person household.
Age 29
b. ~1891
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Polk, Iowa |
| Surname | McDonough |
| Given Name | James P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Webster Township |
| Est. Birth Year | ~1891 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Edward Mcdonough | Head | — | 55 | ~1865 |
| Mary Mcdonough | Daughter | — | 12 | ~1908 |
| Rosa Mcdonough | Daughter | — | 20 | ~1900 |
| Catherine Mcdonough | Spouse | — | 52 | ~1868 |
| Edward Mcdonough | Son | — | 16 | ~1904 |
| Grace Mcdonough | Daughter | — | 18 | ~1902 |
| Frank Mcdonough | Son | — | 27 | ~1893 |
| James Mcdonough | Son | — | 29 | ~1891 |
Census Appearances
1910
Polk, Iowa
Son, age 19
Polk, Iowa · implied b. ~1891 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Gen Store |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Polk, Iowa
Son, age 29
Polk, Iowa · implied b. ~1891 — 8 household members
| Surname | McDonough |
| Given Name | James P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| 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 James Mcdonough across 2 US Census years (1910 and 1920) in Polk, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
James Mcdonough
Son · 1920 · age 29 · b. ~1891 · Iowa
★ You are viewing this record
Sibling
Frank Mcdonough
Sibling · 1920 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcdonough
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Mcdonough
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Mcdonough
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mcdonough
Sibling · 1920 · age 16
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 — Polk, Iowa
Open full size
1920 US Federal Census — Polk, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu507unit:0582)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nora Goodwin | 5 | Daughter | — | Iowa |
| 2 | Ernest W. Goodwin | 3 | Son | — | Iowa |
| 3 | Alfred Goodwin | 1 | Son | — | Iowa |
| 4 | George H. Allen | 39 | Head | Farmer | Wisconsin |
| 5 | Hulda A. Allen | 33 | Wife | — | Germany |
| 6 | Lloyd E. Mc Girk | 29 | Servant | Laborer | Missouri |
| 7 | Robert W. Taylor | 35 | Head | Farmer | Iowa |
| 8 | Martha M. Taylor | 20 | Wife | — | Iowa |
| 9 | Frank E. Dunn | 53 | Head | Farmer | Wisconsin |
| 10 | Addie M. Dunn | 46 | Wife | — | Iowa |
| 11 | Walter E. Dunn | 17 | Son | Laborer | Iowa |
| 12 | Elizabeth Anderson | 81 | Mother-in-law | — | Ohio |
| 13 | Thomas J. Dillon | 25 | Head | Farmer | Iowa |
| 14 | Elizabeth Dillon | 20 | Wife | — | Iowa |
| 15 | Margaret J. Dillon | 1 | Daughter | — | Iowa |
| 16 | John Murphy | 73 | Father-in-law | — | Ireland |
| 17 | John E. Dillon | 29 | Brother | — | Iowa |
| 18 | John J. Dillon | 47 | Uncle | Laborer | Kentucky |
| 19 | James Mcdonough | 55 | Head | Farmer | Ireland |
| 20 | Julia Mcdonough | 46 | Wife | — | Iowa |
| 21 | James F. Mcdonough | 21 | Son | Laborer | Iowa |
| 22 | John V. Mcdonough | 19 | Son | Laborer | Iowa |
| 23 | Joseph P. Mcdonough | 11 | Son | — | Iowa |
| 24 | Patrick W. Mcdonough | 6 | Son | — | Iowa |
| 25 | Matthew Mcdonough | 30 | Head | Farmer | Iowa |
| 26 | Bertha I. Mcdonough | 31 | Wife | — | Iowa |
| 27 | Margaret L. Mcdonough | 6 | Daughter | — | Iowa |
| 28 | Howard J. Mcdonough | 4 | Son | — | Iowa |
| 29 | James C. Leach | 34 | Head | Farmer | Indiana |
| 30 | Esther M. Leach | 36 | Wife | — | Iowa |
| 31 | Virginia R. Leach | 4 | Daughter | — | Iowa |
| 32 | Lenore Leach | 1 | Daughter | — | Iowa |
| 33 | Edward Mcdonough | 55 | Head | Farmer | Iowa |
| 34 | Catherine Mcdonough | 52 | Wife | — | Ireland |
| 35 | James P. Mcdonough THIS PERSON | 29 | Son | Laborer | Iowa |
| 36 | Frank L. Mcdonough | 27 | Son | Laborer | Iowa |
| 37 | Rosa C. Mcdonough | 20 | Daughter | — | Iowa |
| 38 | Grace V. Mcdonough | 18 | Daughter | — | Iowa |
| 39 | Edward J. Mcdonough | 16 | Son | — | Iowa |
| 40 | Mary J. Mcdonough | 12 | Daughter | — | Iowa |
| 41 | William Coburn | 52 | Head | Farmer | Iowa |
| 42 | Jessie E. Coburn | 43 | Wife | — | Wisconsin |
| 43 | Guy F. Coburn | 19 | Son | Laborer | Iowa |
| 44 | Ethel L. Coburn | 18 | Daughter | — | Iowa |
| 45 | Dwight L. Coburn | 16 | Son | — | Iowa |
| 46 | Lester A. Coburn | 14 | Son | — | Iowa |
| 47 | Mildred Coburn | 12 | Daughter | — | Iowa |
| 48 | Christian Nelson | 30 | Head | Farmer | Denmark |
| 49 | Georgia Nelson | 26 | Wife | — | Iowa |
| 50 | Wanda M. Nelson | 6 | Daughter | — | Iowa |
Related Census Records
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)