General Register Office
Spalding District
1850 Marriage Solemnized at the Parish Church in the Parish of Gosberton in the County of Lincoln
No. 199 September 8th, Rawson Byron and Mary Anne Harker, both of full age, Bachelor and Spinster, he a draper, she no profession, he a resident of Heckington, she of Gosberton, fathers: William Byron, John Harker, fathers' occupations: Byron- grocer and a draper, John-farmer
Witnesses: Thomas Russell, Elizabeth Hollingsworth

www.excel.net/~nclark/sur3.htm
Lincolnshire surnames part 3
#310 Rhonda Watson
"William Byron m. Ann Rawson, had a son Rawson Byron, b. 16 Aug 1827 Heckington, who m. Mary Ann Harker b. ca. 1830 Pointon, d/o John Harker and Mary Proctor. They had a son, John Frederick ("Fred"), b. 15 Nov 1857, Swineshead, who m. Elizabeth Nequest 24 Jun 1879, Hull, Yorks. John and Elizabeth had three children born in Hull; Frederick, b. Jun 1880; Charles Henry, b. 25 Apr 1882; Lillie, b. 23 Sep 1888. John left for Utah, USA ca 1895 without his family and remarried in 1897. What happened to his family in England? Cannot find any trace of them."

Ancestral File: Elizabeth Nequest (1K56-6ZK) and John Byron (22PZ W4T) submitted by Naomi Taylor 5327 S. 2150 W. Roy, Utah 84067
Elizabeth bp. 23 May 1861 at St. James, Hull, York d/o Edward Nequest and Ann Plaxton no marriage date, same submitter.

1900 Census Utah, Salt Lake County, ED 67, Sheet 27, line 46

This enumeration district is West Jordan, the home of Joseph Harker. According to this census, John Byron came to the U.S. in 1895. He has been married to Ruth for 3 years and has two daughters, Grace [b. June 1896] and Cora [b. May 1900]. John rents a farm and has a servant who lives with them who came from Hawii in 1897.
Joseph Harker was living in West Jordan when Byron arrived, although he died in 1896.