... [Wilford Woodruff] asked his son Owen [Abraham Owen Woodruff]'How old was Joseph Smith when he died. Ans[wer] 39. How old was B[righam] Young when he died Ans[wer]. 76. How old was Jno. [John] Taylor Ans[wer] 78. Then Pres[iden]t W[ilford]. W[oodruff]. said & Wilford Woodruff 96 & said no more when Owen said why Pa its 97, when the Pres[iden]t repeated it again Wilford Woodruff 96 this was Sunday morning May 2 & he is 90 since 1st of March having been born in 1807.
[Source: Franklin D. Richards, Diary, as quoted in Minutes of the Apostles of The Church of Jesus Christ of Latter-day Saints, 1835-1951, Electronic Edition, 2015]