From the Thomas Rogers Society page on Eleazer Williams:

http://www.thomasrogerssociety.com/p75.htm#i2253

Eleazer Williams[1]

• M, b. 8 January 1741/42, d. 5 March 1742/43

Eleazer Williams was born on 8 January 1741/42 at Waltham. He was the son of Reverend Warham Williams and Abigail Leonard.

Eleazer Williams died on 5 March 1742/43 at age 1.

Citations

[S1] Ann T. [Revised by], (Originally compiled by Alice W. A. Westgate) Reeves, Mayflower Families Through Five Generations: Descendants of the Pilgrims who landed at Plymouth, Mass. December 1620: Family of Thomas Rogers (Plymouth, MA: General Society of Mayflower Descendants, 2000), p. 179. Hereinafter cited as Rogers-Silver.