In 1889 the Lott family was living in Whatcom Co., WA.
A. B. Lott, b. MI, 33, carpenter.
Emma, b. NE, 22.
Julia, b. NE, 9.
Earnest, b. NE, 7.
Mabel, b. NE, 3.
Jake, b. NE, 1.
I didn't find anything for Hiram Lott. There was a Hiram and Emma lot in the southeast part of the USA but they never left the south.
A. B./Hiram died before death records were required in Washington state. Sometimes these death records are filed at the local courthouse.
In 1900 the family was living at Ship Harbor, Skagit Co., WA.
Emma Lott, head household, b. NE, June 1861, widow, restaurant keeper.
Lula [Julia?] b. NE, Feb. 1881, single.
Ernest, b. NE Feb. 1883.
Mabel, b. NE May 1885.
Jake, b. NE Jan 1883.
Mame, b. WA Aug 1892.
Clarence I. Carpenter, boarder.
Elisa J. Lott, motherlaw, b. NY March 1838, widow, dressmaker.
A Mabel Lott of King Co., WA married Beverly G. Chidester of King Co., WA 1 Dec 1903. Witnesses=J. C. Whitlock and Caroline Carter. Source: Washington State Digital Archives. You can view and print this doc at this web site.
In 1910 Emma Lott was living in Anacortes Ward 1, Skagit Co., WA.
Emma Lott, head household, b. NE, 49, widow, no occupation.
In 1910 the Chidester family was living in Seattle Ward 7, King Co.
B. G. Chidester, head household, b. WI, 28yrs old, machinist auto store.
Mabel, wife, b. NE, 35?, father born=MI, mother born=NE.
Alpha, dau, b. WA, 5.
Bill, b. WA, 3.
Earnest Lott, brotherlaw, b. NE, 27, single, no occupation.
A Jake Lott of King Co. married a Nora Valieue (spelling?) of King Co. 1 July 1911. Witnesses=Verla Cruson and Bessie Satterthwaite. Source: Washington State Digital Archives.
A Jake Lott b. 17 Jan 1887, Tomage, Nebraska in 1917-18 was living in Seattle, King Co. Occupation=mineral separator operator for Brittania Mining Co., Brittania Beach, British Columbia, Cananda.
Wife=Nora Lott, same address. Source: World War I Draft Registrtion Cards 1917-18, National Archives, archives.gov. Ancestry.
In 1920 Emma Lott and most Chidester's were living in Seattle, King Co.
Emma Lott, b. NE, 58, widow, cook restaurant.
Mabel Chidester, dau, b. NE, 34, married, sales woman retail dry goods.
Alpha, granddau, b. WA, 14.
Bill, grandson, b. WA, 12.
In 1920 Ernest Lott was living in Artic, Grays Harbor Co., WA.
Ernest Lott, partner, b. NE, 38, single, logger, log camp.
In 1930 Jake Lott was living in Monohon, King Co., WA.
Jake Lott, b. NE, 42, mgr summer resort, marr @ 22.
M. Nora, wife, b. IL, 40, marr @ 20.
A Jake Lott of Redmond, WA, born=Tomaje, Nebraska, 75 yrs old married Mary Eckel of Redmond, WA, born=Hoquaim, WA, age 59 on 19 March 1963. Witnesses=Jo Pearson and Charlene Pearson. Source: Washington State Digital Archives.
A Mabel M. Chidester b. 27 May 1885, Nebraska died 15 Jan 1966, Los Angeles Co. Mother's Maiden Name=Jenkins. Source: California Death Index 1940-97, Ancestry. I THINK this is your Mabel Lott Chidester.
You can request a copy of her obituary from Random Acts Genealogical Kindness or from the Los Angeles County Public Library.
A Jake Lott born Jan. 17, 1888, Last Address=zip code 98052 [look up at usps.com], died November 1971, Redmond, King Co., WA. Source: Social Security Death Index, Washington Digital Archives, digitalarchives.wa.gov/.
You can request a copy of his obituary from Washington State Library, sos.wa.gov/library/ . No charge but can take up to four weeks. Successful Searching!