Albert Adams, youngest son of Hannah (née Bell) and Thomas Jefferson Knott, senior, was born in Hillsdale County, Michigan. The Knott family moved in 1856 to Cedar County, Iowa.

Albert A. Knott and Margaret A. Welty were married on 3 February 1870 in Cedar County. The couple, who became the parents of six children, lived in Kansas and Colorado, and about 1905 moved to Vallejo, Solano County, California, where he established Knott's Drugstore.

Notes

1850 U.S. Census, Scipio Twp., Hillsdale Co., Michigan; dwelling 33, family 34, lines 26-33, p. 437 (printed), p. 873 (written), 8 Oct 1850.
26. Thomas Knott [head], 42, farmer, Ohio.
27. Hannah Knott, 39, Ohio
28. Elzy H. Knott, 17, farmer, Ohio.
29. John W. Knott, 14, Indiana.
30. Thomas J. Knott, 10, Indiana.
31. Louisa J. Knott, 6, Michigan.
32. Albert A. Knott, 1, Michigan.
33. Stephen Fozler, 65, farmer, New Jersey.
• Thomas Knott owned land worth $3,000. Knott daughter Anna married William H. Fezler.

1860 U.S. Census, Tipton, Cedar Co., Iowa; dwelling 51, family 54, lines 18-23, p. 7 (written), 2 Jun 1860.
18. Thomas Knott, 50, mill wright, Pennsylvania.
19. Hannah Knott, 46, Ohio.
20. John W., Knott, 24, "teacher of com[mon]. school," Indiana.
21. Thomas J. Knott, 19, lawyer, Indiana
22. Louisa J. Knott, 16, Michigan.
23. Albert A. Knott, 10, Michigan.
• Thomas Knott had land worth $700 and personal property worth $300. John W. Knott had land worth $400.

"Iowa Marriages, 1809-1992," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XJLF-92T : accessed 30 May 2016), Albert A. Knott and Margaret A. Welty, 03 Feb 1870; citing Cedar Co., Iowa, reference 2:3RBR1GX; FHL microfilm 986,805.

"On the 3d inst., by Rev. J. Riale, at his residence, Mr. Albert A. Knott and Mrs. Margaret A. Welby; both of Cedar county." ("Married," The Tipton Advertiser, Tipton, Iowa, 17 Feb 1870, p. 3.)
• The bride was a Miss Welty, not a Mrs. Welby

1870 U.S. Census, Rochester Twp., Cedar Co., Iowa; dwelling 96, families 97-98, lines 1-6, p. 337B (printed), p. 14 (written), 11 Aug 1870.
1. Knott, Thomas [head], 62, farmer, Ohio.
2. ----- Hannah, 59, house keeper, Ohio.
3. Palmer, Ida, 15, Iowa.
4. Knott, Albert A. [head], 21 farmer ($10,000; $1,787), Michigan.
5. ----- Margarett, 20, house keeper, Ohio.
6. Campfield, Wm., 15, Ohio.
• Albert's brother Thomas, junior, on same page, line 36.

1880 U.S. Census, E.D. 208, Caldwell, Sumner Co., Kansas; dwelling 136, family 136, lines 42-47, p. 244B (printed), p. 28 (written), 22 Jun 1880.
42. Knott, A. A., 31 [head], farmer, Mich.
43. ----- Margret, 30, wife, Ohio.
44. ----- E. H., 9, son, Iowa.
45. ----- Frank, 7, son, Iowa.
46. ----- Elscie, 5, daught., Iowa.
47. Wahltey [Jacob H.], 23, labor, Iowa.
• Albert Knott and brother-in-law Jacob Hudson Welty were business partners.

1900 U.S. Census, E.D. 214, Precinct 19, Berthoud, Larimer Co., Colorado; dwelling 689, family 699, lines 53-57, p. 125B (printed), p. 32B (written), 14 Jul 1900.
53. Knott, Albert A., head, Nov 1848, 51, married 30 years; born in Michigan, parents in Ohio; farmer.
54. ----- Margaret, wife, Jan 1850, 50, married 30 years, 6 children (living); born in Ohio, father in Pennsylvania, mother in Germany.
55. ----- Albert T., son, Oct 1881, 18, Colorado, at school.
56. ----- Alice, daughter, May 1885, 15, Colorado, at school.
57. ----- Leslie E., son, Sep 1888, 11, Colorado, at school.
• Knott, A. A., lodger, Nov 1848, 51, also enumerated in Denver, Colorado, on 4 Jun 1900.

1920 U.S. Census, E.D. 213, Precinct 5, Vallejo, Vallejo Twp., Solano Co., California; dwelling 272, family 274, lines 25-26, p. 165 (printed), p. 12A (written), 16-17 Jan 1920.
25. Knott, Albert A., head, 71; born in Michigan, parents in Ohio; proprietor, drug store.
26. ----- Margaret, wife, 70; born in Ohio, father in Pennsylvania, mother in Ohio.

1940 census: widowed lodger in household of Samuel G. Wilson, Vallejo, Solano Co., Calif.

"Albert Adams Knott, Vallejo Druggist, Dies," The Sacramento Bee, Sacramento, California, 22 Apr 1947, p. 10.

Reviewed 15 October 2023.