- Oberholtzer
- Oderlin
- Offen
-
Elizabeth Sarah = William Sackett Jarman (1836-after 1894)
- Offerdahl
- Oglesby
- Olden
-
Lucy Rose = Willis Elery McKay (1856-1930)
- Oliphant
- Oliver
-
Susan Maud = Robert Moffat Sackett (1880-1951)
- Olmstead
-
Cornelia = John Sackett (1784-1864)
- Orchard
-
Harriet S (1875-)William H B (1873-)
- Ormonde
- Ormsby
-
Julia Belle (1872-1957)
- Osborne
-
Carrie M (c 1863-)Dolores Vivian (1906-)Edwin D (c 1860-)Edwin E = Kate E Sackett (c 1854-)Emma D (c 1865-)Frances L (c 1855-)Marvin N (1858-1893)Nellie (c 1868-)Orrin (1820-1898)Walter Orrin (1886-1981)
- Oster
- Osterhout
-
Lydia J = Edwin M Sackett (1844-1915) - Ostrander
-
Sarah Elizabeth = Adam Tredwell Sackett (1828-1878)
- Oswalt
- Otey
-
Mina N = Henry Moseley Sackett (1874-1928)
- Otis
-
Abigail = Charles Sacket (1783-1835)
- Otley
-
Charles = Dinah Sackett (1766-)
- Ousnam
-
Mary = Stephen Sackett (say 1705-1774)
- Outten
-
Georgina = Thomas Sackett (1904-1997)
- Ovenden
-
Ann (1734-)Edward (1736-)Edward = Anne Sackett (1707/8-)Jane (1743-)John (1739-)Mary (1745-1746)Richard (1731-)Robert (1747-1747)William (1741-)
- Overend-Gay
-
Dorothy Sheila = William Russell Sackett (1916-c 1988)
- Overy
-
Richard = Joane Sackett (1635/36-after 1678)
- Owen
-
Eva Mae = Arthur Green Sackett (1888-)James = Ellen Sackett (1585-after 1660)Julia = Dwight Weller (c 1824-)Martha = Samuel Sackett (c 1679-after 1715)
- Owens
-
Cindy Torres (1957-2008) Mary A = Archibald A Sackett (1889-1964)
- Ozanne
-
Judith (c 1828-)
- Packer
-
Elizabeth Sackett (say 1825-)
- Padbury
- Page
-
Hannah (Lamb) = Gilbert Sackett (1825-c 1865)
- Paine
-
Emma Louisa = Frederic Moseley Sackett (1840-1913)Rosetta = Ernest Henry Sackett (1874-1962)
- Palermo
- Palin
-
Sarah (1964-)
- Palmer
-
Esther = Peter Sackett (1757-)Harriet = Dewey Sackett (1828-1898)Mary = William Lawrence (1729-1794)Mary Ann = Zaven Mansfield Sackett (1834-1893)Sarah E = Dewey Sackett (1828-1898)
- Pamflett
-
Anna (1622-)Daniel (1624-)Daniel = Ann Sackett (1603-1638)Elias (1628-)Gilbert = Alice Sackett (say 1540-1616)Marie (1634-)Mary (1564-)Stephen (1632-1633)Stephen (1633-)Susan (1627-1627)Thomas (1637-1637)William (1626-1626)
- Pamphlet
-
Ann (say 1650-)Elizabeth (say 1650-)Mary (say 1650-)
- Pandolfi
- Pane-Joyce
- Pardee
-
Ebenezer (1787-)Eliza Ann (1814-)Sarah H = Daniel Sackett (1788-1845)
- Parke
-
Anna = David Sackett (c 1776-1829)
- Parker
-
Helen = Hiram W Sackett (1814-1899)James = Erminia Sackett (1796-1876)Jessie = John William Sackett (1865-1923)Joan = William Sackett (1577-1639/40)Sally Jenette = James Sacket (1804-1884)
- Parks
-
John (1811-)Laura (1806-before 1880)Ruth (c 1843-)Ursula (c 1841-)Warren = Lydia Sackett (1778-1873)
- Parmenter
-
Clara Isabell (1884-1937)Elvin George (1911-1975)Ernest Robert (1919-1990)George William (1880-1927)James Lester (1915 or 1916-1994)Jesse Guy (1882-1966)Robert Lee (1887-1953)
- Parry
-
Emma = Francis George Sackett (1850-1897)
- Partington
- Partridge
-
Sally = Philander McKay (1818-1880)
- Pass
-
Bertha = Edward William Sackett (1867-1942)
- Paterson
-
Martha = Henry Samuel Sackett (1811-1885)
- Patterson
-
Harriet Eliza (1837-1902)Parthenia = William Sackett (1753-1842)Susie L = Charles Wesley Sackett (1870-)
- Paul
- Paulger
-
Jane (1911-1987)John (c 1859-)Lucia L (c 1872-) Stanley (1882 or 1884-)Thomas E (1862-)
- Pay
-
Charlotte (1837-)Charlotte Hannah (c 1826-)Elizabeth (1828-)Elizabeth Holt (c 1832-)Jane Elizabeth (1830-)John Sackett (1834-)Mary Sackett (c 1824-)Richard (1830-)Richard = Sarah Sackett (1801-1852)Sarah Jane (1825-)Sarah Vanhear (1834-)Stephen (c 1821-)
- Payne
-
Laura F = Thomas Frederick Sackett (1910-1983)
- Peake
-
Eliza A = George Sacket (c 1805-)
- Pearce
-
Ada Mary (1875-) Beatrice Louisa Sackett (1872-1952)George Watson (1878-)Isabel = Simon Sackett the colonist (1595-between 5 and 10 Oct 1635)William H (c 1879-)
- Pearsall
-
Prudence (1804-1847)
- Pease
- Peck
-
Ann (1826-)Benjamin = Deborah Sackett (1746-1769)Emma (1824-)Wales = Ann Sackett (1802-1874)
- Peeso
-
Lana Grace = Robert Macarthur Keir (1905-2011)
- Pegden
-
Elizabeth Sackett (1800-)Louisa = Edward Sackett (1816-1884)Mary (1802-)
- Pegg
-
Thomas Delno (1899-)
- Pell
-
John (1734-)John = Miriam Sacket (1712-1785)Mary (1744-)Mary (1749-)Penuel (1737-)Salie (1746-)Tamer (1739-)
- Pelle
-
Charles (c 1866-)Edwin Charles Peter (1856-)Emily (c 1877-)
- Pemble
-
Bertha Emily (1881-)Edith Ethel (1876-1876)Edward (1869-)Florence Louisa (1866-)Frances Jane (1872-)Frederick Albert (1877-1943)Henry (1870-)Laura Maria (1864-1947)Philip Edward (1871-1871)Phyllis Mary (1883-1962)Robert James (1875-)Walter Charles (1879-)William Thomas (1865-)
- Pendleton
- Pepper
- Percival
-
Eliza = Albert A Sackett (1832-1859)
- Perkins
-
Benjamin William (1909-1982)Herbert Tennison (1907-1991)Robert Randall (1905-1987)Walter Mottram (1903-1950)
- Perrett
-
Elizabeth = Vincent Edward Sackett (1855-1894)
- Perrin
-
Bathsheba = Henry Clay Sackett (1844-1917)Mary = Harry Samuel Sackett (1871-1942)
- Peters
- Peterson
-
Laura Andrea = Samuel Arthur Sackett (1841-1932) Mary = Samuel Arthur Sackett (1841-1932)
- Petley
-
Eleanor (1836-)Hannah (1841-1926)Joseph (1838-)Louisa (1846-)
- Petrie
-
Louis Clinton (1888-1966) Mary Lou (1935-2012)
- Pettis
-
Doyle Raymond (1920-1978)
- Pettit
-
Melva Ruth (1918-)Susan = Henry Sackett (after 1610-1645/46)
- Pettman
-
Alan Francis (1882-1952)
- Petty
-
Louisa Matilda = David Joseph Sackett (1815-1902)
- Phelps
-
Hannah = Jonathan Sacket (1727-1777)Sally = Roland Sacket (1790-1882)
- Phillips
-
Alfred J (c 1898-1919)Elnora = Andrew Roswell Sackett (1839-1901)Hattie May (1863-1959)Polly = Amos Sackett (say 1755-)
- Philpot
-
Mary = Thomas Sackett (1708-1775)
- Philpott
-
Eva Lizzie = Alexander Allen Sackett (1881-1947)Joan (say 1630-)John = Mary Sackett (c 1597-)
- Phoenix
-
Edward = Sarah Sackett (1630/31-before 1678)John (1664-)Rebecca (1662-)Sarah (1657-)
- Phythian
- Pickell
-
Mary = Thomas Sackett (late 1500s-1641/42)
- Pickett
-
Hilda Mary = Robert William Baylis (1897-1944)
- Pier
-
Charlotte = James Sackett (1804-1893)
- Pierce
-
Beth Elaine (1925-2015)Charles F R (1912-)Doris I (1917-)Isaac = Margaret Sackett (1638/39-1698)Jane M = Clark Sackett (1793-1862)Joan K (1922-)Rose V E (1920-)
- Pieri
-
Lena A = Claude Leonard Alfred Sackett (1910-1946)
- Pierpont
-
Bede Eliza (1826-1855)Bethia = Samuel Sackett (1771-1851)Betsey (1813-1894)Betsey Loiza (1840-1852)Daniel Lorenzo (1824-)Ellen Adelia (1851-)Esther Maria (1849-)Hannah = Capt & Deacon Samuel Sackett (1702/3-1781)Harriet Ann (1828-1855)Jared (1809-1872)Jason (1819-)Merritt S (1799-)Philemon = Mehitabel Sackett (1782-1834)Reuel (1845-)Sarah Eliza (1854-1855)Sarah Mehitabel (1835-)
- Pierson
-
Pat = Larry Ray Sackett (1932-2011)
- Pillow
-
Caroline Edith = George Robert Sackett (1854-1916)
- Pitt
-
Doris = George Kitchener Sackett (1915-1964)
- Pitts
-
Herbert F J = Dorothy Emma Sackett (1910-1972)
- Platt
-
Charles (c 1859-)Dorothy F = Theodore Mark Sackett (1900-1978)Eva Orpha (1867-1951)Hattie (c 1861-)Rosalthe V (c 1847-)Salmon E (1823-1893)
- Plumb
-
Lucinda = Jonathan Sacket (say 1770-)
- Plympton
-
Henry = Mary E Sacket (c 1839-)
- Pocock
-
Elsie Ellen = Gordon Russell Sackett (1895-1990)
- Pogue
-
Alexander (1838-1922)Alice (c 1866-)Alice (c 1872-)Clara (c 1863-)Cyrus George (1839-1917)James Washington (1845-1919)Joseph (1842-1903)Josephine (c 1860-)Lilly May (1868-1943) Lucinda (1847-1928)Martha A (1843-1928)Perry (c 1871-)Preston Patrick = Aner Sackett (1807-1876)Ruth (1879-)Sarah Isabelle (1848-1936)