MC
Mary Carlson — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Adair, Iowa
Our Model Tree links this Mary Carlson across the 1910 and 1920 US Censuses in Adair, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1906), then head of a 9-person household.
Age 4
b. ~1906
Female
Daughter
Born: Iowa
1910 Census Record Details
| Census Year | 1910 |
| Location | Adair, Iowa |
| Surname | Carlson |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | — |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Fontanelle Town |
| Est. Birth Year | ~1906 |
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 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Chas Carlson | Head | — | 43 | ~1867 |
| Elsie Carlson | Daughter | — | 18 | ~1892 |
| Frank Carlson | Son | — | 16 | ~1894 |
| Donald Carlson | Son | — | 1 | ~1909 |
| Roy Carlson | Son | — | 8 | ~1902 |
| Selma Carlson | Spouse | — | 39 | ~1871 |
| Mary Carlson | Daughter | — | 4 | ~1906 |
| Runa Carlson | Daughter | — | 13 | ~1897 |
| Floy Carlson | Son | — | 10 | ~1900 |
Census Appearances
1910
Adair, Iowa
Daughter, age 4
Adair, Iowa · implied b. ~1906 — 9 household members
| Surname | Carlson |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Adair, Iowa
Daughter, age 13
Adair, Iowa · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | May A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| 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 Carlson across 2 US Census years (1910 and 1920) in Adair, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Carlson
Daughter · 1910 · age 4 · b. ~1906 · Iowa
★ You are viewing this record
Sibling
Donald Carlson
Sibling · 1910 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Runa Carlson
Sibling · 1910 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Carlson
Sibling · 1910 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Carlson
Sibling · 1910 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floy Carlson
Sibling · 1910 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Carlson
Sibling · 1910 · 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
1910 US Federal Census — Adair, Iowa
Open full size
1910 US Federal Census — Adair, Iowa
Page Contents
47 people indexed on this census page (ia:1910:13thcensus1910po390unit:0295)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | P. G. Ralston | 61 | Head | — | Iowa |
| 52 | Paradise Ralston | 55 | Wife | — | Illinois |
| 53 | Grace P. Ralston | 30 | Daughter | Teacher | Iowa |
| 54 | Cora A. Ralston | 21 | Daughter | Clerk | Iowa |
| 55 | Margaret Ewing | 77 | Head | — | Wales |
| 56 | Annie L. Ewing | 41 | Daughter | — | Ohio |
| 57 | Fredrick Guard | 52 | Head | — | Illinois |
| 58 | Louise Guard | 16 | Daughter | — | Iowa |
| 59 | Chas. Brown | 73 | Head | — | Ohio |
| 60 | Matilda C. Brown | 69 | Wife | — | Illinois |
| 61 | Almon J. Warner | 57 | Head | — | Wisconsin |
| 62 | Sophia G. Warner | 60 | Wife | — | Iowa |
| 63 | Elizabeth Knight | 54 | Head | — | Ohio |
| 64 | Martin Sommers | 59 | Head | — | Ger |
| 65 | Matilda R. Sommers | 46 | Wife | — | Ger |
| 66 | Luman L. Kerns | 65 | Head | — | New York |
| 67 | Julia A. Kerns | 53 | Wife | — | Wisconsin |
| 68 | T. Verne Kerns | 18 | Son | — | Iowa |
| 69 | John A. Kerns | 25 | Son | Farming | Iowa |
| 70 | Chas. A. Carlson | 43 | Head | Mason | Illinois |
| 71 | Selma M. Carlson | 39 | Wife | — | Illinois |
| 72 | Elsie L. Carlson | 18 | Daughter | Servant | Illinois |
| 73 | Frank E. Carlson | 16 | Son | — | Illinois |
| 74 | Runa M. Carlson | 13 | Daughter | — | Illinois |
| 75 | Floy W. Carlson | 10 | Son | — | Iowa |
| 76 | Roy J. Carlson | 8 | Son | — | Minnesota |
| 77 | Mary A. Carlson THIS PERSON | 4 | Daughter | — | Iowa |
| 78 | Donald A. Carlson | 1 | Son | — | Iowa |
| 79 | Chas. W. Creighton | 24 | Head | Teamster | Kansas |
| 80 | Mary Creighton | 22 | Wife | — | Iowa |
| 81 | Chas. E. Creighton | 2 | Son | — | Iowa |
| 82 | Mart Hill | 61 | Head | Farmer | Ger |
| 83 | Adelheid Hill | 59 | Wife | — | Ger |
| 84 | Anna S. Hill | 20 | Daughter | Milliner | Iowa |
| 85 | Joseph C. Lewis | 65 | Head | Cement Walk | Eng |
| 86 | M. Z. Lewis | 55 | Wife | — | Illinois |
| 87 | Emma K. Lewis | 27 | Daughter | Teacher | S. Dakota |
| 88 | Fred John Ehmke | 66 | Head | Farmer | Ger |
| 89 | Amelia Ehmke | 63 | Wife | — | Ger |
| 90 | Edward P. Schwanbeck | 38 | Head | Laborer | Iowa |
| 91 | Sarah Schwanbeck | 44 | Wife | — | Ger |
| 92 | Teresa Schwanbeck | 15 | Daughter | — | Iowa |
| 93 | Edward Schwanbeck | 12 | Son | — | Iowa |
| 94 | Mary Schwanbeck | 9 | Daughter | — | Iowa |
| 95 | Lena Schwanbeck | 5 | Daughter | — | Iowa |
| 96 | Helen Schwanbeck | 1 | Daughter | — | Iowa |
| 97 | Earl Bethwick | 22 | — | Painter | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)