| COSG |
| Name | State | Number of records |
| COSGRAVE: JOHN, THOMAS, HELEN | California | 31 |
| COSGRAY: JOHN, WILLIAM, BETTY | Ohio | 32 |
| COSGRAY: GLENN, DONALD, ROBERT | | 72 |
| COSGRO: JAMES, ISABEL, A | | 37 |
| COSGROVE: JAMES, MARY, JOHN | Texas | 71 |
| COSGROVE born in 1906 | | 57 |
| COSGROVE born in 1933 | | 26 |
| COSGROVE born in 1922 | | 38 |
| RUTH COSGROVE | | 32 |
| COSGROVE born in 1920 | | 44 |
| COSGROVE born in 1915 | | 46 |
| COSGROVE born in 1931 | | 30 |
| COSGROVE born in 1891 | | 44 |
| COSGROVE: EDNA, WILLIAM, MARY | Washington | 39 |
| THOMAS COSGROVE | | 20 |
| COSGROVE born in 1908 | | 66 |
| COSGROVE born in 1928 | | 34 |
| COSGROVE: JOHN, ALFRED, ANDREW | Iowa | 39 |
| COSGROVE born in 1927 | | 36 |
| ROBERT COSGROVE | | 77 |
| ELIZABETH COSGROVE | | 46 |
| COSGROVE: MARY, WILLIAM, FREDERICK | Ohio | 75 |
| COSGROVE: DONALD, JAMES, FRANCES | Oregon | 32 |
| COSGROVE: MARY, JOHN, THOMAS | Maryland | 71 |
| COSGROVE born in 1916 | | 53 |
| COSGROVE: JAMES, JOHN, BARBARA | Oklahoma | 36 |
| COSGROVE born in 1917 | | 48 |
| GEORGE COSGROVE | | 42 |
| COSGROVE born in 1898 | | 33 |
| JOHN COSGROVE | | 36 |
| JAMES COSGROVE | | 28 |
| COSGROVE born in 1897 | | 31 |
| COSGROVE born in 1912 | | 69 |
| COSGROVE born in 1907 | | 45 |
| FRANK COSGROVE | | 39 |
| COSGROVE born in 1921 | | 44 |
| COSGROVE: JOHN, MARY, JAMES | Missouri | 46 |
| COSGROVE born in 1902 | | 43 |
| MAI E: GARRICK, DAVIS, DEMONBREUN | | 21 |
| COSGROVE: JAMES, WILLIAM, CHRIS | Indiana | 38 |
| ROYSTON : BENNETT, PHILLIPS, WATSON | | 97 |
| HELEN COSGROVE | | 68 |
| DOROTHY COSGROVE | | 33 |
| MICHAEL COSGROVE | | 43 |
| COSGROVE born in 1938 | | 26 |
| CATHLEEN F: THOMAS, ROSS, CAREY | | 28 |
| COSGROVE born in 1892 | | 40 |
| COSGROVE born in 1924 | | 43 |
| COSGROVE born in 1911 | | 60 |
| COSGROVE born in 1894 | | 34 |
| COSGROVE: NELLIE, KEVIN, NETTIE | California | 20 |
| MARY COSGROVE | | 25 |
| COSGROVE: JOHN, WILLIAM, THOMAS | Virginia | 26 |
| COSGROVE born in 1918 | | 38 |
| COSGROVE born in 1903 | | 42 |
| WILLIAM COSGROVE | | 24 |
| CATHERINE COSGROVE | | 48 |
| COSGROVE born in 1904 | | 57 |
| JOSEPH COSGROVE | | 85 |
| COSGROVE born in 1889 | | 34 |
| COSGROVE: FLORENCE, THOMAS, JOHN | Minnesota | 43 |
| RICHARD COSGROVE | | 38 |
| COSGROVE born in 1895 | | 26 |
| ANNA COSGROVE | | 37 |
| COSGROVE born in 1913 | | 47 |
| COSGROVE born in 1929 | | 24 |
| DORINDA M: DEAN, FUNK, HAGSTROM | | 35 |
| COSGROVE born in 1901 | | 48 |
| COSGROVE born in 1900 | | 55 |
| COSGROVE born in 1926 | | 47 |
| MARGARET COSGROVE | | 80 |
| FRANCIS COSGROVE | | 52 |
| COSGROVE born in 1914 | | 49 |
| COSGROVE born in 1899 | | 24 |
| EDWARD COSGROVE | | 68 |
| COSGROVE born in 1893 | | 32 |
| COSGROVE born in 1887 | | 24 |
| PATRICK COSGROVE | | 35 |
| CHARLES COSGROVE | | 52 |
| COSGROVE born in 1886 | | 24 |
| COSGROVE born in 1910 | | 69 |
| COSGROVE born in 1925 | | 50 |
| COSGROVE born in 1923 | | 39 |
| COSGROVE born in 1909 | | 73 |
| COSGROVE born in 1934 | | 24 |
| COSGROVE born in 1905 | | 43 |
| COSGROVE: JOHN, THOMAS, ARCHIE | Arizona | 35 |
| COSGROVE born in 1896 | | 43 |
| COSGROVE: JAMES, MARIE, LEO | Wisconsin | 37 |
| COSGROVE born in 1919 | | 42 |
Based on public records. Inadvertent errors are possible.
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