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Mary Larsen — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Larimer, Colorado
Our Model Tree links this Mary Larsen across the 1900 and 1910 US Censuses in Larimer, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1893), then head of a 8-person household.
Age 17
b. ~1893
Female
Daughter
Born: Colorado
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Larimer, Colorado |
| Surname | Larsen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Fort Collins Part Of |
| Est. Birth Year | ~1893 |
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 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Larsen | Son | — | 22 | ~1888 |
| George Larsen | Son | — | 19 | ~1891 |
| Mary Larsen | Spouse | — | 45 | ~1865 |
| Theodore Larsen | Son | — | 5 | ~1905 |
| Anna Larsen | Daughter | — | 12 | ~1898 |
| Martin Larsen | Head | — | 57 | ~1853 |
| Mary Larsen | Daughter | — | 17 | ~1893 |
| Elizabeth Larsen | Daughter | — | 8 | ~1902 |
Census Appearances
1900
Larimer, Colorado
Daughter, age 7
Larimer, Colorado · implied b. ~1893 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Myrtha M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Colorado |
| Birth Month | Jan |
| Birth Year | 1893 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1910
Larimer, Colorado
Daughter, age 17
Larimer, Colorado · implied b. ~1893 — 8 household members
| Surname | Larsen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Larsen across 2 US Census years (1900 and 1910) in Larimer, Colorado, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Larsen
Daughter · 1910 · age 17 · b. ~1893 · Colorado
★ You are viewing this record
Sibling
George Larsen
Sibling · 1910 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Larsen
Sibling · 1910 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Larsen
Sibling · 1910 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Larsen
Sibling · 1910 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Larsen
Sibling · 1910 · age 8
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 — Larimer, Colorado
Open full size
1910 US Federal Census — Larimer, Colorado
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po0121unit:0797)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dora S Fink | 41 | Head | — | Wisconsin |
| 52 | Ira Fink | 15 | Son | — | Missouri |
| 53 | Amber Fink | 14 | Daughter | — | Missouri |
| 54 | Lola Fink | 13 | Daughter | — | Missouri |
| 55 | Lydia Fink | 11 | Daughter | — | Missouri |
| 56 | Lucile Fink | 9 | Daughter | — | Missouri |
| 57 | Alta Fink | 7 | Daughter | — | Missouri |
| 58 | Mildred Fink | 4 | Daughter | — | Colorado |
| 59 | William Fink | 2 | Son | — | Colorado |
| 60 | Samuel Ferguson | 41 | Head | Farmer | Missouri |
| 61 | Sarah Ferguson | 41 | Wife | — | Missouri |
| 62 | Edward Johnson | 54 | Head | Laborer | Missouri |
| 63 | Belle Johnson | 38 | Wife | — | Missouri |
| 64 | Ernest Johnson | 18 | Nephew | Laborer | Missouri |
| 65 | S. J. Williams | 47 | Head | Farmer | Ohio |
| 66 | Sarah Williams | 41 | Wife | — | Ohio |
| 67 | Lydia Williams | 18 | Daughter | — | Colorado |
| 68 | Aaron Thompson | 50 | Head | Farmer | Ohio |
| 69 | Sarah Thompson | 48 | Wife | — | Ohio |
| 70 | James Thierry | 54 | Head | Farmer | Pennsylvania |
| 71 | Mary Thierry | 45 | Wife | — | Pennsylvania |
| 72 | James Thierry | 21 | Son | Laborer | Illinois |
| 73 | Nettie Thierry | 17 | Daughter | — | Illinois |
| 74 | Emma Manning | 27 | Aunt | — | Illinois |
| 75 | Martin Larsen | 57 | Head | Farmer | Denmark |
| 76 | Mary Larsen | 45 | Wife | — | Denmark |
| 77 | John Larsen | 22 | Son | Laborer | Colorado |
| 78 | George Larsen | 19 | Son | Laborer | Colorado |
| 79 | Mary Larsen THIS PERSON | 17 | Daughter | — | Colorado |
| 80 | Anna Larsen | 12 | Daughter | — | Colorado |
| 81 | Elizabeth N Larsen | 8 | Daughter | — | Colorado |
| 82 | Theodore H Larsen | 5 | Son | — | Colorado |
| 83 | A. Boutlegason | 31 | Head | Farmer | Missouri |
| 84 | Gertrude H Boutlegason | 22 | Wife | — | Missouri |
| 85 | V. Boutlegason | 4 | Son | — | Colorado |
| 86 | L. Boutlegason | 2 | Daughter | — | Colorado |
| 87 | David M Hansen | 65 | Head | Farmer | Ohio |
| 88 | Rachel Hansen | 54 | Wife | — | Norway |
| 89 | Harry J Hansen | 27 | Son | Laborer | Colorado |
| 90 | Beatrice A Hansen | 10 | Daughter | — | Colorado |
| 91 | Richard E Chapman | 60 | Head | Farmer | Illinois |
| 92 | Ruth L Chapman | 54 | Wife | — | Illinois |
| 93 | Russell D Chapman | 19 | Son | Musician | Missouri |
| 94 | Verna M Chapman | 7 | Daughter | — | Missouri |
| 95 | Carl E Quick | 37 | Head | Farmer | Illinois |
| 96 | Jessie Quick | 27 | Wife | — | Illinois |
| 97 | Mabel Quick | 7 | Daughter | — | Illinois |
| 98 | Pearl Quick | 5 | Daughter | — | Illinois |
| 99 | Nels Ferdinandson | 32 | Head | Farmer | Scotland |
| 100 | Margaret M Ferdinandson | 27 | Wife | — | Scotland |
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)