Plaque on tomb t:
Abigail Pierce, d. July 2, 1800 aged 25.
John, son of J & A Pierce, died Ap. 18, 1802 AE 3.
Robert, son of J & L Pierce, died 6 Oct. 1819, AEt. 6.

Also said to be buried here, by Mrs. H. V. Poor, Aunt of Rev. John Pierce, but their names are not inscribed on the tablet:
Feraline Walley Pierce, dau. of J & L Pierce, b. Mar. 20, 1810.
William Blake Pierce, son of J & L Pierce, b. Sept. 26, 1815
Matthew, a family servant.

Source:"Proceedings of the Brookline Historical Society at the Annual Meeting, Jan. 18, 1911" by the Brookline Historical Society.

The following people were also interred in Tomb t. The monument that the inscription was on used to be on top of the tomb, but it's no longer standing.

Deacon John Robinson
Died Jan. 13, 1855, aged 91 yrs. 6 mos.
Mrs. Lucy Robinson
Died Nov. 7th, 1845, aged 75 yrs.
Lucy Robinson
Died Feb. 7th, 1793, aged 4 mos.
Jane Kelton Robinson
Bapt. Oct. 18, 1795
Sarah Breck Robinson, bapt. April 1, 1798 by Mr. Porter
Died June 24th, 1798, aged 3 mos.
Lucy Robinson
Bapt. Dec. 19, 1799, by Rev. John Pierce
John Robinson
Bapt. Nov. 14, 1802, by Mr. Foster
James Robinson
Bapt. Dec. 23, 1805
Samuel Albert Robinson
Bapt. Dec. 3, 1809
Ellen Louisa Robinson
Died Oct. 20th, 1832
John Robinson Bugbee(Removed to lot 71.)
Died Aug. 27, 1824, aged 2 yrs.
Martha Louisa Bugbee(Removed to lot 71.)
Died Nov. 9, 1831, aged 1 yr. 9 m.
Mr. Asa Bugbee(Removed to lot 71.)
Died Dec. 15, 1831, aged 41 yrs. 6 m.
John Robinson Bugbee(Removed to lot 71.)
Died Nov. 7th, 1852, aged 6 yrs. 1 m.
Martha Louisa Fairbanks(Removed to lot 86.)
Died Sept. 13th, 1834, aged 1 yr. 2 mos.
James Henry Robinson
Died Sept. 28th, 1834, aged 4 mos.
Caroline Francis Robinson
Died Dec. 31st, 1842, aged 7 yrs. 3 mos.
Eliza Jane Robinson
Died Dec. 20th, 1844, aged 3 years.
Mrs. Louisa C. Robinson
Died July 20th, 1848, aged 35 years

Source:"Burial Inscriptions in the Walnut Street Cemetery of Brookline, MA" by Harriet A. Cummings 1920