JA
James Armstrong — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Dubuque, Iowa
Our Model Tree links this James Armstrong across the 1900, 1910 and 1920 US Censuses in Dubuque, Iowa (XGBoost, ~Confirmed) — first a head (b.~1843), then head of a 5-person household.
Age 77
b. ~1843
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Dubuque, Iowa |
| Surname | Armstrong |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1852 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | President |
| Industry | Lumber Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1858 |
| Birthplace (normalized) | ireland |
| Occupation | President |
| Township / Ward | Dyersville Town |
| Est. Birth Year | ~1843 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Marie Armstrong | Daughter | — | 38 | ~1882 |
| Martha Armstrong | Daughter | — | 34 | ~1886 |
| James Armstrong | Head | — | 77 | ~1843 |
| Eliza Dick | Other | — | 85 | ~1835 |
| Martha Armstrong | Spouse | — | 73 | ~1847 |
Census Appearances
1900
Dubuque, Iowa
Head, age 59
Dubuque, Iowa · implied b. ~1841 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | James G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Jan |
| Birth Year | 1841 |
| Year of Immigration | 1852 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Retail Lumber Merchant |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Dubuque, Iowa
Head, age 68
Dubuque, Iowa · implied b. ~1842 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 44 |
| Year of Immigration | 1850 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Proprietor |
| Industry | Lumber Yard |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Dubuque, Iowa
Head, age 77
Dubuque, Iowa · implied b. ~1843 — 5 household members
| Surname | Armstrong |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1852 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | President |
| Industry | Lumber Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1858 |
| 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 James Armstrong across 3 US Census years (1900, 1910 and 1920) in Dubuque, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
James Armstrong
Head · 1920 · age 77 · b. ~1843 · Iowa
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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 — Dubuque, Iowa
Open full size
1920 US Federal Census — Dubuque, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu488unit:1077)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ester | 50 | Wife | None | Iowa |
| 52 | Martin Jasper | 68 | Head | Manager | Bavaria |
| 53 | Francisca Jasper | 62 | Wife | None | Iowa |
| 54 | Celia Jasper | 24 | Daughter | None | Iowa |
| 55 | Laura Jasper | 23 | Daughter | Bookkeeper | Iowa |
| 56 | Hilda Jasper | 22 | Daughter | Teacher | Iowa |
| 57 | George Jasper | 19 | Son | Teller | Iowa |
| 58 | Leo Jasper | 17 | Son | None | Iowa |
| 59 | Julius Jaeger | 26 | Head | Laborer | Iowa |
| 60 | Marie Jaeger | 22 | Wife | None | Iowa |
| 61 | James Armstrong THIS PERSON | 77 | Head | President | Ireland |
| 62 | Martha F. Armstrong | 73 | Wife | None | Pennsylvania |
| 63 | Marie J. Armstrong | 38 | Daughter | Bk. Keeper | Iowa |
| 64 | Martha D. Armstrong | 34 | Daughter | None | Iowa |
| 65 | Eliza J. Dick | 85 | Sister-in-law | None | Pennsylvania |
| 66 | Lucy Gillons | 70 | Head | None | New York |
| 67 | Jennie Mckee | 62 | Sister | None | Iowa |
| 68 | Frank Steger | 49 | Head | Carpenter | Iowa |
| 69 | Carrie Steger | 46 | Wife | None | Iowa |
| 70 | Pronilla Steger | 22 | Daughter | Music Teacher | Iowa |
| 71 | Anselma Steger | 20 | Daughter | Stenographer | Iowa |
| 72 | Elmer Steger | 17 | Son | None | Iowa |
| 73 | Sylveria Steger | 15 | Daughter | None | Iowa |
| 74 | Gilbert Steger | 13 | Son | None | Iowa |
| 75 | Arthur Steger | 9 | Son | None | Iowa |
| 76 | Theodor Steger | 45 | Brother | Carpenter | Iowa |
| 77 | Magdalena Lange | 72 | Mother-in-law | None | Germany |
| 78 | Elizabeth Cockrell | 73 | Head | None | England |
| 79 | Ben Dominic J. Cliffe | 41 | Head | Agent | Iowa |
| 80 | Anna Cliffe | 39 | Wife | None | Iowa |
| 81 | Mary M. Cliffe | 11 | Daughter | None | Iowa |
| 82 | Edward K. Cliffe | 8 | Son | None | Iowa |
| 83 | Herbert W. Cliffe | 5 | Son | None | Iowa |
| 84 | Mary Jane Cliffe | 2 | Daughter | None | Iowa |
| 85 | Joseph H. Inkhoff | 48 | Head | Goldsmith | Iowa |
| 86 | Anna Inkhoff | 50 | Wife | None | Iowa |
| 87 | Joseph R. Inkhoff | 22 | Son | Bookkeeper | Iowa |
| 88 | Dolores Inkhoff | 10 | Daughter | None | Iowa |
| 89 | Mary Harold | 53 | Sister-in-law | Telephone | Wurtemberg |
| 90 | Henrietta Vogel | 16 | Housekeeper | House | Iowa |
| 91 | Adam Streck | 54 | Head | Carpenter | Iowa |
| 92 | Frances Streck | 55 | Wife | None | Illinois |
| 93 | Magdalen Streck | 22 | Daughter | Hat Trimmer | Iowa |
| 94 | John Holzabb | 40 | Head | None | Iowa |
| 95 | Anna Holzabb | 40 | Wife | None | Iowa |
| 96 | Joseph Holzabb | 20 | Son | None | Iowa |
| 97 | Albert Holzabb | 17 | Son | None | Iowa |
| 98 | Bernard Holzabb | 7 | Son | None | Iowa |
| 99 | Henry Kortenkamp | 80 | Brother-in-law | None | Germany |
| 100 | William Degen | 59 | Head | Painter | Germany |
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)